420 Mobile Piston Pump
Design Code C
ADU041 280 bar (4060 psi)
ADU049 280 bar (4060 psi)
ADU062 280 bar (4060 psi)
ADU080 210 bar (3050 psi)
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com2
Content
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com
Model codes 2
Specifications and performance 4
Control options
Pressure & Flow (Load Sense) Compensator ............................ 5
Pressure Compensator .............................................. 6
Torque Control .................................................... 7
Remote Pressure Control (RPC) ...................................... 8
Electronic Displacement Control (EDC) ................................. 9
EH Inverse Proportional Pressure Control (IPPC) ......................... 10
Electronic De-stroke (Cold Start) Valve ..................................11
Performance
ADU041 ........................................................ 12
ADU049 ........................................................ 14
ADU062 ........................................................ 16
ADU080 ........................................................ 18
Pump Installation
B-Mount – rear-ported .............................................. 20
B-Mount – side-ported ............................................. 21
C-Mount – rear-ported .............................................. 22
C-Mount – side-ported ............................................. 23
Thru-Drive SAE A option ............................................ 24
Thru-Drive SAE B option ............................................ 25
Dual shaft seal option .............................................. 26
Control Installation
Pressure & Flow (Load Sense) Compensator ............................ 27
Pressure Compensator ............................................. 27
Torque Control ................................................... 28
Electronic Displacement Control (EDC) ................................ 29
EH Inverse Proportional Pressure Control (IPPC) ......................... 30
Electronic De-stroke (Cold Start) Valve ................................. 31
External Manual Stroke Adjustment ................................... 32
Input shaft options 33
Center of gravity 36
Installation and start-up 37
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com1
The Eaton
®
X20 portfolio of open-circuit piston pumps is built
to maximize machine performance and productivity. With
sophisticated controls that enhance system efficiency and a
compact design that delivers incredible power, the X20 portfolio
empowers mobile machine operators to do more work in less
time using less fuel.
Sophisticated controls that improve performance while
optimizing efficiency.
Excellent pressure responsiveness – The X20 portfolio
delivers the fastest response and recovery times in the open-
circuit piston segment, helping customers get the job done
faster.
Low standby pressure – The X20 portfolio can maintain low
margin pressure (~150 psi) with exceptional stability, reducing
heat generation and helping to eliminate wasted energy.
Stable fan drive functionality – Eaton’s fan drive control
reaches desired speed more quickly and remains stable once
there, reducing energy-wasting oscillation.
Advanced electronic controls – The cold start and fan
drive controls are Pro-FX Ready, meaning they can be easily
configured with pre-programmed development tools and
controlled electronically for maximum flexibility and precision.
Winning load sense combination – X20 works in conjunction
with Eaton’s CLS Load Sense Sectional Mobile Valve, providing
OEMs one resource for their machine’s load sense needs.
Compact design that enables greater flexibility and cost
savings.
Simplified pump architecture – The X20 pump has 25% fewer
components than traditional pumps, reducing the number of leak
points and simplifying maintenance.
Compact package size – The X20 portfolio’s small size satisfies
Tier 4 requirements and provides more flexibility when designing
the engine compartment.
More horsepower – The compact rotating group delivers a
remarkable amount of horsepower, improving productivity
without using more fuel.
One-piece housing – Single-piece pump housing removes leak
points and makes maintenance faster and easier versus more
complicated multi-piece housings.
Multiple options that make it easy to specify exactly what
you need.
Variety of control options – Including pressure control, load
sense, cold start, torque control, remote pressure control,
inverse proportional pressure control, proportional pressure
control, electronic displacement control, and swash sensor
feedback, giving you more ways to design more efficient,
productive machines.
Several displacement options – With seven displacement
options, there’s an X20 pump to fit virtually any mobile
application need.
Eaton’s 420 Series is available with displacements of 41cc,
49cc, 62cc, and 80cc for operating speeds at 2,650 rpm. A
strong, field-proven rotating group allows the pumps to handle
pressures to 280 bar (4060 psi) continuous and 320 bar (4600
psi) intermittent.
The combination of high load capacity bearings and a stiff drive
shaft help provide a pump B10 bearing life of up to 10,280
hours at rated mobile conditions, reducing operating costs and
extending operating life.
Variety of mounting options – The X20 portfolio is available
with both SAE and ISO mounting flange configurations, can
be side- or rear-ported, and offers multiple drain ports to help
overcome any installation challenges.
Exceptional quality that provides remarkable reliability.
Unique control piston design – Single-acting control piston
with special coating helps minimize friction, increasing
operating life.
Bronze piston shoes – Bronze piston shoes are robust against
contamination should particles enter the fluid, enhancing system
performance and component service life.
High-load bearings – Larger, more durable bearings resist wear
and deliver industry-leading bearing life.
3-year manufacturer’s warranty – Eaton’s warranty terms
provide peace of mind for three full years, helping you get
through your warranty period with complete confidence.
Global network of Eaton-certified experts for end-to-end
support.
More partners in more regions – Growing network of Eaton
distributors around the world ensures there’s local service and
support anywhere you need it.
World-class system design and assembly – Our expert
distribution partners can help with everything from specifying to
prototyping and assembly to commissioning, so you can focus
on other areas of your business.
Eaton-standardized practices and processes – Eaton
employs a unique system of tools and processes, known as
the Eaton Business System, to ensure quality development
and delivery of the 220 X20 product. These tools and process
include such known methods as Design for Six Sigma, Lean
Manufacturing and ISO certification.
Introduction
420 Series Mobile Piston Pump
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com 2
1 2 3
Pump series
ADU – 420 Series open circuit piston pump
4 5 6
Pump displacement
041 – 41.0 cm3/r [2.50 in3/r]
049 – 49.2 cm3/r [3.00 in3/r]
062 – 62.3 cm3/r [3.80 in3/r]
080 – 80.0 cm3/r [4.88 in3/r]
7
Input shaft rotation
L – Left hand
R – Right hand
8 9
Front mount and shaft
01 – 2 Bolt B, 22.2 mm (0.875in.) Dia. keyed shaft
02 – 2 Bolt B, 25.4 mm (1.00in.) Dia. keyed shaft
03 – 2 Bolt B, 22.22 mm (.875in.) Dia. tapered keyed shaft
05 – 2 Bolt B, 13 tooth 16/32 spline
08 – 2 Bolt B, 15 tooth 16/32 spline
32 – 2/4 Bolt C, 14 tooth 12/24 spline
33 – 2/4 Bolt C, 31.8 mm (1.25in) Dia. keyed shaft
34 – 2 Bolt B, 15 tooth 16/32 sled runner spline
35 – 2 Bolt B, 14 tooth 12/24 spline
38 – 2/4 Bolt C, 31.75 mm (1.25) Dia. tapered keyed shaft
10 11
Main ports size & location
AA – Rear ports suction - 2” (code 61);
Pressure - 1” (code 61)
AB – Side ports suction - 2” (code 61);
Pressure - 1” (code 61)
AC – Rear ports suction - 2” (code 61) with M12 threads;
Pressure - 1” (code 61) with M10 threads.
AD – Side ports suction - 2” (code 61) with M12 threads;
Pressure -1” (code 61) with M10 threads.
AE – Rear ports suction - SAE o-ring port;
Pressure - UN-2B SAE o-ring port
(ADU041, ADU049 & ADU062 only)
AF – Side ports suction - #24 SAE o-ring;
Pressure - #16 SAE o-ring
(ADU041 and ADU049 only)
AG – Rear ports suction - M48 metric o-ring;
Pressure - M33 metric o-ring
(ADU041 & ADU049 Only)
AH – Side ports suction - M48 metric o-ring;
Pressure - M33 metric o-ring
(ADU041 & ADU049 only)
AK – Rear ports suction - 2” (code 61);
Pressure - #16 SAE o-ring (ADU062 only)
12
Case drain ports
1 – #12 SAE o-ring - top
2 – #12 SAE o-ring - bottom
3 – M27 x 2 o-ring - top
4 – M27 o-ring - bottom
5 – #12 SAE o-ring - left side (swash sensor boss)
13
Diagnostic pressure ports not available on
thru-drive units
0 – No diagnostic pressure ports
1 – #6 SAE o-ring - plugged (rear ports only)
2 – M14 metric o-ring - plugged (rear ports only)
3 – #4 SAE o-ring - plugged (side ports only)
4 – M12 metric o-ring - plugged (side ports only)
14
15
Controller type
AA – Pressure flow compensator with #4 SAE o-ring
load sense port (left side)
AB – Pressure flow compensator with M12 metric o-ring
load sense port (left side)
AC – Pressure compensator only
AH – Pressure flow compensator with torque control #4
SAE o-ring load sense port (left side)
AJ – Pressure flow compensator with torque control
M12 metric o-ring load sense port (left side)
AK – pressure compensator with torque control
AP – Remote pressure control M12 metric o-ring port,
left side
AT – Pressure and flow compensator with
electronic displacement control - EP type
AV – EH Inverse proportional pressure control
(vertical mounting)
AW – Remote pressure control with
.4375-20 SAE o-ring port, left side
AY – Pressure and flow compensator with
electronic displacement control - EPD type
16 17
Pressure compensator setting*
28 – 207-214 bar [3000-3100 lbf/in
2
]
35 – 241-248 bar [3500-3600 lbf/in²]
43 – 276-283 bar [4000-4100 lbf/in²]
18 19
Flow compensator / remote pressure
control setting*
00 – No flow compensator setting
14 – 12-15 bar [180-220 lbf/in²]
24 – 23-26 bar [330-370 lbf/in²]
Model codes
420 Mobile Piston Pump
1
* Additional settings available by request
2
# - Recommend RPC pressure settings 10-21 bar (140-350 psi)
1 2 3
ADU
4 5 6
062
7
R
8 9
08
10 11
AB
12
1
13
0
14 15
AA
16 17
43
18 19
14
20 21
00
22 23
0A
24 25
01
26 27
AB
28
1
29 30
00
31 32
CD
33 34
00
35
C
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com3
20 21
Torque control setting
00 – No torque control
AA – 40 Nm [350 in-lbs] (41,49)
AB – 51 Nm [450 in-lbs] (41,49)
AC – 62 Nm [550 in-lbs] (41,49,62)
AD – 73 Nm [650 in-lbs] (41,49,62,80)
AE – 85 Nm [750 in-lbs] (41,49,62,80)
AF – 96 Nm [850 in-lbs] (41,49,62,80)
AG – 107 Nm [950 in-lbs] (41,49,62,80)
AH – 119 Nm [1050 in-lbs] (49,62,80)
AJ – 130 Nm [1150 in-lbs] (49,62,80)
AK – 141 Nm [1250 in-lbs] (49,62,80)
AL – 153 Nm [1350 in-lbs] (62,80)
AM – 164 Nm [1450 in-lbs] (62,80)
AN – 175 Nm [1550 in-lbs] (62,80)
AP – 186 Nm [1650 in-lbs] (62,80)
AR – 198 Nm [1750 in-lbs] (62,80)
AT – 209 Nm [1850 in-lbs] (62,80)
AU – 220 Nm [1950 in-lbs] (80)
22 23
Control special features
00 – Control special features
0A – Bleed down orifice
0B – 24V Cold start valve
0D – 12V Cold start valve
0S – 12V DC solenoid AMP Jr connector
(used with EH inverse proportional
pressure control)
0T – 24V DC solenoid AMP Jr connector
(used with EH inverse proportional
pressure control)
0U – 12V DC solenoid deutsch connector
(used with EH inverse proportional
pressure control)
0V – 24V DC Solenoid deutsch connector
(used with EH inverse proportional
pressure control)
24 25
Maximum displacement option*
01 – Standard displacement (as given in code title)
02 – External manual stroke adjustment set at max
26 27
Auxiliary (rear) mount & output shaft
00 – No auxiliary mounting features
AB – SAE A 2 Bolt, 11T 16/32 Spline
AC – SAE B 2 Bolt, 13T 16/32 Spline
AD – SAE B 2 Bolt, 15T 16/32 Spline
AE – SAE A 2 Bolt, 9T 16/32 Spline
28
Shaft seal
0 – No shaft seal
1 – Standard polyacrylate shaft seal
2 – Viton shaft seal
3†– Double, two-way shaft seal,
Viton with VHO filter
4 – Nitrile shaft seal
5 – Single viton shaft seal in 2/4 Bolt C mount
pump housing
29 30
Pump special features
00 – No special features
AA – Auxiliary mounting cover plate
AB – Swash position sensor
AC – Shaft speed sensor
AD – Modified end cover, corner removed
AE – Support Studs (1/2-13 UNC-2B x 117.8 (4.64)
long in top two end cover/housing bolt locations
AG – Swash position sensor and shaft speed sensor
31 32
Paint
00 – No paint
CD – Blue primer
0B – Black
33
34
Identification/packaging
00 – Standard Eaton identification box packaging
0J – ATEX certification
35
Design level
C – Third design
Model codes
420 Mobile Piston Pump
1
* Additional settings available by request, including fixed displacement stops.
2
† Not available on SAE B mount
1 2 3
ADU
4 5 6
062
7
R
8 9
08
10 11
AB
12
1
13
0
14 15
AA
16 17
43
18 19
14
20 21
00
22 23
0A
24 25
01
26 27
AB
28
1
29 30
00
31 32
CD
33 34
00
35
C
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com 4
General performance specifications
Units ADU041 ADU049 ADU062 ADU080
Displacement
cc/r (in³/r) 41.0 (2.50) 49.2 (3.00) 62.3 (3.80) 80.0 (4.88)
Mounting
2 Bolt B, 2 Bolt C , 2/4 Bolt C
Pressure
Continuous bar (psi) 280 (4060) 280 (4060) 280 (4060) 210 (3050)
Intermittent
2
320 (4600) 320 (4600) 320 (4600) 230 (3335)
Peak
3
350 (5000) 350 (5000) 350 (5000) 250 (3625)
Speed
4
At 1 bar abs (0 psig) rpm 2650 2650 2600 2500
At.85 bar abs (5 in.Hg) 2450 2450 2400 2200
At 2 bar abs (15 psig) 2950 2950 2800 2800
Max (standby) 3600 3600 3600 3600
Min 600 600 600 600
Power
Max (theoretical) kW (hp) 50.7 (68.0) 60.8 (81.5) 75.6 (101.3) 61.7 (82.7)
Standby .98 (1.3) .98 (1.3) 1.1 (1.5) 1.4 (1.9)
Torque
Max (theoretical) Nm (lb-ft) 183 (135) 219 (162) 278 (205) 268 (198)
Weight
Single Seal
1
kg (lbm) 22.9 (50.4) 22.9 (50.4) 23.8 (52.4) 24.2 (53.4)
Dual Seal
1
24.1 (53.1) 24.1 (53.1) 25.0 (55.1) 25.4 (56.1)
Bearing life
5
At 140 bar (2030 psi) B10 Hours 103,650 55,580 33,500 17,15 0
At 210 bar (3045 psi) 26,830 14,380 8,670 4,440
At 280 bar (4060 psi) 10,280 5,510 3,320 N/A
Mass moment of inertia
Nm-sec
2
.0033 .0033 .0046 .0058
(lb-in-sec²) (.0288) (.0288) (.0403) (.0517)
1 Standard SAE B non-through drive.
2 Less than 10% of duty cycle.
3 Momentary system pressure spikes only.
4 Ratings based on Flange ports. Note: Tube ports are not available on the 62cc and 80cc displacements.
5 Bearing life ratings at rated speed - 1 bar abs (0 psig) inlet.
Inlet pressure, case pressure, and operating temperature requirements
Inlet pressure Case pressure Operating temperature
Rated Minimum Maximum
Maximum
continuous
Maximum
intermittent Peak Rated
Minimum
temperature
Maximum
intermittent
bar abs (psig) bar abs (in. Hg) bar abs (psig) bar abs (psig) bar abs (psig) bar abs (psig) °C (°F) °C (°F) °C (°F)
1.0 (0) 0.85 (5) 4.4 (50) 1.3 (5) 3.1 (30) 6.2 (75) 93 (200) -37 (-35) 104 (220)
Hydraulic fluids
Fluid
Recommended
operating
viscosity range
cSt (SUS)
Maximum
continuous
cSt (SUS)
Maximum
viscosity at
startup
cSt (SUS)
Minimum
viscosity @ max.
temperature of
93°C (200°F)
cSt (SUS)
Minimum
intermittent
cSt (SUS)
Use antiwear hydraulic oil, or automotive type
crankcase oil (designations SC, SD, SE or SF)
per SAE J183 FEB80
16 to 40 (80 to 188) 430 (1192) 2100 (9720) 10 (59) 6 (46)
For more information, see Eaton publication 579. For operation on other alternative or environmentally friendly fluids, please contact your Eaton representative.
Specifications and performance
420 Mobile Piston Pump
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com5
Control options
Pressure & Flow (Load Sense) Compensator
To load
Load sense
Bleed dow
n
(Opt) (Opt)
(Opt)
Inlet
Gage
inlet
Gage
outle
t
The pump will provide flow & pressure matching of pump output
to system load demand, maximizing efficiency and improving
load metering characteristics of any directional control valve
installed between the pump and the load. Load sensing ensures
that the pump always provides only the amount of flow needed
by the load. The pump operating pressure adjusts to the load
pressure plus a pressure differential required for the load sense
margin. When the system is not demanding flow, the load
sense control will operate in low pressure zero flow, energy
saving stand-by mode. The differential pressure is the difference
between the pressure inlet and service port of a proportionally
controlled directional valve, or a load sensing directional control
valve. See the model code for differential pressure settings for
load sensing. If the load pressure exceeds the system pressure
setting, the pressure compensator reduces pump displacement.
The load sensing line must be as short as possible and can
also be used for remote pressure control or unloading of the
pump pressure. For remote pressure control purposes, it is
recommended that you contact your Eaton Representative for
the correct configuration of the control.
Warning:
1. When adjusting the pressure compensator, install a 0 to 350
bar (0 to 5000 psi) gage in the outlet gage port and limit the
pressure setting to the continuous rated pressure for the
pump displacement. It is possible to adjust the pressure
compensator beyond the rated pressure of the pump.
Doing so, may void the warranty of the pump.
2. EATON recommends use of relief valve in all systems.
Pressure limit settings
The pressure compensator uses two springs to cover the full
pressure range of the X20 pumps.
Spring 1 = < 140 bar (2050 psi)
Spring 2 = 145 - 280 bar (2100 - 4060 psi)
Flow compensator (load sense) settings
There are two springs used to cover the load sense adjustment
range of this control. Available load sense range is
Spring 1 = < 20 bar (290 psi)
Spring 2 = 22- 42 bar (319- 609 psi).
Dynamic response per SAE J745 (using swash plate position)
Response
(off stroke)
Recovery
(on stroke)
Load sense
recovery
msec
msec msec
ADU041 20 75 90
ADU049 20 75 90
ADU062 25 90 115
ADU080 26 75 115
Outlet Pressure
Outlet Flow
Q
P
Outlet Pressure
Outlet Flow
Q
P
Typical operating curve
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com 6
Control options
Pressure Compensator
The pump will provide a continuously modulated flow to meet
changing load demands at a pre-adjusted compensator pressure.
At pressures below the compensator setting, the pump will
operate at maximum displacement. See model code position
16,17 for compensator pressure ranges.
Warning
1. When adjusting the pressure compensator, install a 0 to 350
bar (0 to 5000 psi) gage in the outlet gage port and limit the
pressure setting to the continuous rated pressure for the
pump displacement. It is possible to adjust the pressure
compensator beyond the rated pressure of the pump.
Doing so, may void the warranty of the pump.
2. EATON recommends use of relief valve in all systems.
Pressure limit settings
The pressure compensator uses two springs to cover the full
pressure range of the X20 pumps.
Spring 1 = < 140 bar (2050 psi)
Spring 2 = 145 - 280 bar (2100 - 4060 psi)
Inlet Load sense
To load
Drain
Dynamic response per SAE J745 (using swash plate position)
Response
(off stroke)
Recovery
(on stroke)
msec
msec
ADU041 20 75
ADU049 20 75
ADU062 25 90
ADU080 26 75
Outlet Pressure
Outlet Flow
Q
P
Outlet Pressure
Outlet Flow
Q
P
Pressure cut-off characteristics of pressure compensator
control at 49°C (120°F), static conditions.
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com7
The torque control limits the torque input to the pump preventing
the engine from stalling while also optimizing the use of the
engine power.
When combined with Pressure Compensator Control and/or
Load Sense, it will allow the pump to remain inside the power
envelope of the Pressure Flow curve. When the combination of
pump flow and outlet pressure moves outside the envelop the
pump displacement will automatically be reduced.
This maximum setting is easily calculated using the
following steps:
•
Select the 420 pump displacement you intend to use
•
Identify the available engine horsepower (HP) and speed (rpm)
•
Calculate the torque limit required by the system using the
equations shown
•
Select the MAX torque setting from the table shown
Control options
Torque Control
0
10
20
30
40
50
0 1000 2000 30004000
Pressure (PSI)
Flow (GPM)
Power curve*
35%
75%
Full ow pressure for
torque limit setting
0
500
1000
1500
2000
2500
3000
0 1000 2000 30004000
Pressure (PSI)
Torque (lbf-in)
Torque curve*
Without torque control
With torque control
With torque control
35%
75%
62cc AT
62cc AG
P
ressure
limit
setting
Code Torque setting 41cc 49cc 62cc 80cc
AA 40 Nm (350 in-lbs)
√ √ — —
AB 51 Nm (450 in-lbs) √ √ — —
AC 62 Nm (550 in-lbs) √ √ √ —
AD 73 Nm (650 in-lbs) √ √ √ √
AE 85 Nm (750 in-lbs) √ √ √ √
AF 96 Nm (850 in-lbs) √ √ √ √
AG* 107 Nm (950 in-lbs) √ √ √ √
AH 119 Nm (1050 in-lbs) — √ √ √
AJ 130 Nm (1150 in-lbs) — √ √ √
AK 141 Nm (1250 in-lbs) — √ √ √
AL 153 Nm (1350 in-lbs) — — √ √
AM 164 Nm (1450 in-lbs) — — √ √
AN 175 Nm (1550 in-lbs) — — √ √
AP 186 Nm (1650 in-lbs) — — √ √
AR 198 Nm (1750 in-lbs) — — √ √
AT* 209 Nm (1850 in-lbs) — — √ √
AU 220 Nm (1950 in-lbs) — — √ √
* reference 62cc
Torque (in-lbs)
Horsepower (HP) x 63025
Engine RPM
=
Torque (Nm)
Horsepower (KW) x 9550
Engine RPM
=
To load
Gage
Outlet
Gage
Inlet
Inlet Load sense
Bleed down
(Opt)
(Opt)
(Opt)
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com 8
Remote relief valve is to be connected to pilot port “J” through
necessary external piping. Standard differential pressure of 20
bar is set at RPC spool. The required outlet pressure (below 280
bar) can be set by adjusting remote relief valve setting. Once
pressure reaches preset value, flow across remote relief valve
starts, this results in RPC spool movement due to pressure
imbalance. This will de-stroke the pump to maintain the set
pressure.
Secondary pressure compensator is provided to limit the max
pressure setting as a fail safe measure. The delta pressure is
factory set which can not be changed.
Note-
•
Flow compensator is not available with RPC.
•
Flow compensator/ Remote pressure control setting should be
selected within range of 10-24 bar (140-350 psi).
•
Remote relief valve is not included in supply scope of the
pump.
•
If the remote line is connected directly to tank, the flow
compensator setting selected in the model code will be the
minimum pressure setting.
To load
Gage
outlet
Gage
inlet
Inlet
Remote
relief valve
not in Eaton
supply scope
Delta pressure setting at control valve - bar (psi) 14 - 24 (200 - 350)
Control fluid consumption - lpm (gpm) 4.5 (1.2) max.
Recommended flow rating of remote relief valve- lpm (gpm) 3 – 5 (0.8 – 1.32)
Recommended Eaton Relief Valve part number RV5-10-S-0-50
Control options
Remote Pressure Control (RPC)
Hysteresis/
pressure rise
Outlet pressure
psi (bar)
4800
(280)
290
(20)
Flow - gpm (lpm)
0
0
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com9
Control options
Electronic Displacement Control (EDC)
Pump displacement can be controlled infinitely, as per the
current signal provided to the solenoid control valve.
The integrated pump control makes use of an external current
signal to vary the pump displacement. This control has an
proportional characteristic i.e. with increasing current signal,
the displacement increases proportionately.
This control is with manual override. Based on fail safe condition
there are two types:
Min type (EP): Return to min displacement in case of power loss.
Max type (EPD): Return to max displacement in case of power loss
Warning:
•
When adjusting the pressure limiter, install a 0 to 350 bar
(0 to 5000 psi) gage in the outlet gage port and limit the
pressure setting to the continuous rated pressure for the
pump displacement. It is possible to adjust the pressure
compensator beyond the rated pressure of the pump.
Doing so, may void the warranty of the pump.
•
EATON recommends use of relief valve in all systems.
Pressure limit settings
The EDC can operate between 20 bar (290 psi) and 280 bar
(4060 psi).
Gage outlet
(Opt)
Load sense
Bleed
down
(Opt)
(Opt)
Gage
inlet
Inlet
To load
Gage outlet
(Opt)
(Opt)
Load sense
Bleed
down
(Opt)
Gage
inlet
Inlet
To Load
Electrical data
Voltage 12 V DC 24 V DC
Max Current 1500 mA 750 mA
R20, Resistance(ohm) 5.19 +/- 0.52% 20.8 +/- 2.08
Type of Control Current Current
Recommended 250 Hz 250 Hz
PWM Frequency
Dither Frequency 75 Hz 75 Hz
Dither Amplitude 300 mA 300 mA
Duty Cycle 100% 100%
Insulation material Class H, 180 deg C Class H, 180 deg C
Protection Class IP69K IP69K
Connector Deutsch Deutsch
Operating Temperature -40 deg C; 85 deg C -40 deg C; 85 deg C
This control has manual override.
Hysteresis less than 5%. For cold start function,
Control type Supply current (mA)
12V 24V
EP 0 0
EPD 480 240
EPD type EP type
100
50
0
0 400
400
800
800 24V
Current (mA)
Displacement (%)
1200
600
1600 12V
2000
100
50
0
0 400
400
800
800
24V
Current (mA)
Displacement (%)
1200
600
1600
12V
2000
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com 10
Control options
EH Inverse Proportional Pressure Control (IPPC)
The EH Inverse Proportional Pressure control allows for stepless
variation of the max pump output pressure, as per the current
signal provided to the control valve solenoid.
The integrated pump control makes use of an external
current signal to vary the pump output pressure
This control has an inverse proportional characteristic i.e.
with increasing current signal, the max output pressure is
proportionately reduced
Warning:
•
When adjusting the pressure limiter, install a 0 to 350 bar
(0 to 5000 psi) gage in the outlet gage port and limit the
pressure setting to the continuous rated pressure for the
pump displacement. It is possible to adjust the pressure
compensator beyond the rated pressure of the pump. Doing
so, may void the warranty of the pump.
•
EATON recommends use of relief valve in all systems.
Pressure limit settings
The minimum is 110 bar and max pressure can be set from 140
bar (2050 psi) to 280 bar (4060 psi).
Typ. Current vs pressure characteristics of IPPC at 1800 rpm
at various max pressure settings at 49 deg C (120deg F),
static conditions.
0 100 200 300 400 500 600 700 800
0
50
100
150
200
250
300
Current (mA)
Pressure (bar)
Electrical data
Voltage 12 V 24 V
Max Current 1500 mA 750 mA
R20, Resistance (ohm) 5.3 +/- 5% 21.2 +/- 5%
Type of Control Current Current
Recommended 100 Hz 100 Hz
PWM
Frequency
Duty Cycle 100% 100%
Insulation material Class H, 180 deg C Class H, 180 deg C
Protection Class IP6K6/IP69K IP6K6/IP69K
Connector AMP Junior Power AMP Junior Power
Timer/ Deutsch Timer/ Deutsch
Connector DT04-2P Connector DT04-2P
Operating Temperature -30 deg C; 105 deg C -30 deg C; 105 deg C
To load
Gage
outlet
Gage
inlet
Inlet
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com11
Control options
Electronic De-stroke (Cold Start) Valve
The 620 Electronic Destroke Valve reduces pump start-up
torque by directing outlet pressure to the control piston.
It is primarily used in cold weather applications and
includes a 12 or 24 VDC directional control valve mounted
between the pump housing and compensator. Refer
model code position 22,23 - control special features for
available connector options
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com 12
74
76
78
80
82
84
86
88
90
500 1000 1500 2000 2500 3000
Input speed, rpm Input speed, rpm
Efciency (%)
Efciency (%)
280 bar (4000 psi)
150 bar (2200 psi)
200 bar (2900 psi)
250 bar (3600 psi)
70
72
74
76
78
80
82
84
86
88
90
500 1000 1500 2000 2500 300
0
34 bar (500 psi)
50 bar (700 psi)
68 bar (1000 psi)
103 bar (1500 psi)
0
10
20
30
40
50
60
70
500 1000 1500 2000 2500 3000
Input speed, RPM
Input Power , Kw (hp)
50 bar (700 psi)
103 bar (1500 psi)
280 bar (4000 psi)
150 bar (2200 psi)
200 bar (2900 psi)
250 bar (3600 psi)
7.5 (10)
15 (20)
22.5 (30)
30 (40)
37.5 (50)
45 (60)
52 (70)
500 1000 1500 2000 2500 3000
Input speed, RPM
Input Torque, Nm (in-lb)
226
(2000)
181
(1600)
136
(1200)
90
(800)
45
(400)
0
280 bar (4000 psi)
250 bar (3600 psi)
280 bar (2900 psi)
150 bar (2200 psi)
34 bar (500 psi)
50 bar (700 psi)
68 bar (1000 psi)
103 bar (1500 psi)
Overall efficiency versus speed @ 49º C (120º F),
Full Flow, and 1.0 bar (0 psi) Inlet
Overall efficiency versus speed @ 49º C (120º F),
full flow, and 1.0 bar (0 psi) Inlet
Performance
ADU041
Input torque versus speed @ 49º C (120º F),
full flow, and 1.0 bar (0 psi) inlet
Input power versus speed @ 49º C (120º F),
full flow, and 1.0 bar (0 psi) inlet
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com13
Performance
ADU041
Input torque and case flow stand-by @ 49º C (120º F)
Input torque and case flow cut-off @ 49º C (120º F)
Delivery and case flow versus speed @ 49º C (120º F)
0
500 1000 1500 2000 2500 3000
Input Speed, rpm
Main Flow, lpm (gpm)
0
Case Flow, lpm (gpm)
280 bar (4000 psi)
25 bar (365 psi)
25 bar (365 psi)
280 bar (4000 psi)
19 (5)
28 (10)
57 (15)
76 (20)
95 (25)
115 (30)
134 (35)
1.9
(0.5)
3.8
(1.0)
500 1000 1500 2000 2500 3000
Input Speed, rpm
Input Torque, Nm (in-lb)
0
Case Flow, lpm (gpm)
20 bar (290 psi)
11 bar (160 psi)
.56 (5)
1.13 (10)
1.69 (15)
2.25 (20)
2.81 (25)
3.38 (30)
3.94 (35)
4.50 (40)
1.0
(.25)
2.0
(.50)
3.0
(.75)
4.0
(1.0)
500 1000 1500 2000 2500 3000
Input Speed, rpm
Input Torque, Nm (in-lb)
Case Flow, lpm (gpm)
280 bar (4060 psi) Torque
150 bar (2175 psi) Torque
150 bar (2175 psi) Case Flow
280 bar (4060 psi)
Case Flow
2.0
(.50)
4.0
(1.0)
6.0
(1.50)
11.3 (100)
22.5 (200)
33.8 (300)
45.0 (400)
5.6 (50)
0
50.5 (450)
39.4 (350)
28.0 (250)
16.9 (150)
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com 14
Performance
ADU049
Overall efficiency versus speed @ 49º C (120º F), full flow,
and 1.0 bar (0 psi) inlet
Overall efficiency versus speed @ 49º C (120º F), full flow, and
1.0 bar (0 psi) inlet
Input torque versus speed @ 49º C (120º F), full flow, and 1.0
bar (0 psi) inlet
Input power versus speed @ 49º C (120º F), full flow, and 1.0
bar (0 psi) inlet
74
76
78
80
82
84
86
88
90
500 1000 1500 2000 2500 3000
Input speed, rpm
Efciency (%)
280 bar (4000 psi)
150 bar (2200 psi)
200 bar (2900 psi)
250 bar (3600 psi)
70
72
74
76
78
80
82
84
86
88
90
500 1000 1500 2000 2500 3000
Input speed, rpm
Efciency (%)
34 bar (500 psi)
50 bar (700 psi)
68 bar (1000 psi)
103 bar (1500 psi)
0
500 1000 1500 2000 2500 3000
Input speed, rpmInput speed, rpm
280 bar (4000 psi)
250 bar (3600 psi)
34 bar (500 psi)
50 bar (700 psi)
Input Torque, Nm (in-lb)
Input Power, kW (hp)
500 1000 1500 2000 2500 3000
271
(2400)
226
(2000)
181
(1600)
45
(400)
136
(1200)
90
(800)
60 (80)
52 (70)
45 (60)
37.5 (50)
30 (40)
22.5 (30)
15 (20)
7.5 (10)
68 bar (1000 psi)
103 bar (1500 psi)
150 bar (2200 psi)
280 bar (2900 psi)
280 bar (4000 psi)
250 bar (3600 psi)
200 bar (2900 psi)
150 bar (2200 psi)
103 bar (1500 psi)
50 bar (700 psi)
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com15
0
500 1000 1500 2000 2500 3000500 1000 1500 2000 2500 3000
Input speed, rpmInput speed, rpm
Input Torque, Nm (in-lb)
0
Case Flow, lpm (gpm)
Case Flow, lpm (gpm)
.56 (5)
1.13 (10)
1.69 (15)
2.25 (20)
2.81 (25)
3.38 (30)
3.94 (35)
4.50 (40)
5.06 (45)
1.0 (.25)
2.0 (.50)
3.0 (.75)
4.0 (1.0)
11 bar (160 psi)
20 bar (290 psi)
0
500 1000 1500 2000 2500
Input speed, rpm
Input Torque, Nm (in-lb)
Main Flow, lpm (gpm)
Case Flow, lpm (gpm)
11.3
(100)
22.5
(200)
33.8
(300)
45.0
(400)
56.3
(500)
67.5
(600)
6.0 (1.50)
5.0 (1.25)
4.0 (1.0)
3.0 (.75)
2.0 (.50)
1.0 (.25)
0
150 bar (2175 psi) Torque
150 bar (2175 psi) Case Flow
280 bar
(4060 psi) Case Flow
280 bar (4060 psi) Torque
153 (40)
134 (35)
115 (30)
95 (25)
76 (20)
57 (15)
280 bar (4000 psi)
280 bar (4000 psi)
3.8
(1.0)
1.9
(0.5)
0
34 bar (500 psi)
28 (10)
19 (05)
34 bar (500 psi)
Input torque and case flow stand-by @ 49º C (120º F)
Input torque and case flow cut-off @ 49º C (120º F)
Delivery and case flow versus speed @ 49º C (120º F)
Performance
ADU049
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com 16
61
63
65
67
69
71
73
75
77
79
81
83
85
87
89
91
76
78
80
82
84
86
88
90
500 1000 1500 2000 2500 3000
500 1000 1500 2000 2500
3000
Input speed, rpm
Efciency (%)
Efciency (%)
Input speed, rpm
103 bar (1500 psi)
68bar (1000 psi)
50 bar (700 psi)
17 bar (250 psi)
150 bar (2200 psi)
200 bar (2900 psi)
250 bar (3600 psi)
280 bar (4000 psi)
Input Power, kW (hp)
82 (110)
74.5 (100)
67 (90)
60 (80)
52 (70)
45 (60)
37.5 (50)
30 (40)
22.5 (30)
15 (20)
7.5 (10)
0
500 1000 1500 2000 2500 3000
250 bar (3600 psi)
280 bar
(4000 psi)
200 bar (2900 psi)
150 bar
(2200 psi)
103 bar
(1500 psi)
25 bar (365 psi)
0
500 1000 1500 2000 2500 3000
Input speed, rpm
Input Torque, Nm (in-lb)
317 (2800)
271 (2400)
226 (2000)
181 (1600)
136 (1200)
90 (800)
45 (400)
280 bar (4000 psi)
250 bar (3600 psi)
200 bar (2900 psi)
150 bar (2200 psi)
103 bar (1500 psi)
69 bar (1000 psi)
34 bar (500 psi)
Input speed, rpm
Overall efficiency versus speed @ 49º C (120º F), full flow,
and 1.0 bar (0 psi) inlet
Overall efficiency versus speed @ 49º C (120º F), full flow,
and 1.0 bar (0 psi) inlet
Performance
ADU062
Input power versus speed @ 49º C (120º F), full flow, and 1.0
bar (0 psi) inlet
Input torque versus speed @ 49º C (120º F), full flow, and 1.0
bar (0 psi) inlet
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com17
Performance
ADU062
Input torque and case flow stand-by @ 49º C (120º F)
Input torque and case flow cut-off @ 49º C (120º F)
Delivery and case flow versus speed @ 49º C (120º F)
0 0
30002500
25 bar (365 psi)
25 bar (365 psi)
280 bar
(4000 psi)
280 bar (4000 psi)
20001500
Input speed, rpm
1000500
19 (5)
28 (10) 3.8 (1.0)
1.9 (0.5)
57 (15)
76 (20)
95 (25)
115 (30)
134 (35)
Main Flow, lpm (gpm)
Case Flow, lpm (gpm)
153 (40)
172 (45)
191 (50)
0
0
500 1000 1500 2000 2500 3000
Input speed, rpm
Input Torque, Nm (in-lb)
0
0.25
0.5
0.75
1
Case Flow, lpm (gpm)
.56 (5)
1.13 (10)
1.69 (15)
2.25 (20)
2.81 (25)
3.38 (30)
3.94 (35)
4.50 (40)
5.06 (45)
20 bar (290 psi)
11 bar (160 psi)
1.0 (.25)
2.0 (.50)
3.0 (.75)
4.0 (1.0)
0
500 1000 1500 2000 2500 3000
Input speed, rpm
Input torque, Nm (in-lb)
0
Case Flow, lpm (gpm)
11.3
(100)
22.5
(200)
33.8
(300)
56.3
(500)
45.0
(400)
67.5
(600)
1.0 (.25)
2.0 (.50)
280 bar (4060 psi) case ow
150 bar (2175 psi) Case Flow
280 bar (4060 psi) Torque
150 bar (2175 psi) Torque
3.0 (.75)
4.0 (1.00)
5.0 (1.25)
6.0 (1.50)
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com 18
70
500 700 900 110 0 1300 1500 1700 1900 2100 2300
500 700 900 110 0 1300 1500 1700 1900 2100 2300
76
74
72
78
80
82
84
86
88
90
Input Speed, rpm
69 bar (1000 psi)
103 bar (1500 psi)
34 bar (500 psi)
74
76
78
80
82
84
86
88
90
Input Speed, rpm
172 bar (2500 psi)
207 bar (3000 psi)
138 bar (2000 psi)
0
400 600 1000 1400 1800 2200800 1200 1600 2000 2400
70
(93.9)
60
(80.5)
50
(67.1)
40
(53.6)
30
(40.2)
20
(26.8)
10
(13.4)
207 bar (3000 psi)
138 bar (2000 psi)
103 bar (1500 psi)
67 bar (1000 psi)
35 bar (500 psi)
172 bar (2500 psi)
0
400 600 1000800 1200
1400
16001800 2000 2200 2400
Input Speed, rpmInput Speed, rpm
Input Torque, Nm (lb-in)
Efciency (%)
Efciency (%)
350
(3098)
300
(2655)
250
(2213)
200
(1770)
150
(1328)
100
(885)
50
(443)
207 bar (3000 psi)
172 bar (2500 psi)
138 bar (2000 psi)
103 bar (1500 psi)
67 bar (1000 psi)
35 bar (500 psi)
Input Power, kW (hp)
Input power versus speed @ 49º C (120º F), full flow,
and 1.0 bar (0 psi) inlet
Input power versus speed @ 49º C (120º F), full flow, and 1.0
bar (0 psi) inlet
Performance
ADU080
Input torque versus speed @ 49º C (120º F), full flow,
and 1.0 bar (0 psi) inlet
Overall efficiency versus speed @ 49º C (120º F), full flow, and
1.0 bar (0 psi) inlet
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com19
1.0 (0.3)
1.5 (0.4)
0
Input Speed, rpm
20 (5.3)
40 (10.6)
60 (15.9)
80 (21.1)
Main Flow, lpm (gpm)
0
0.5 (0.1)
35 bar (500 psi)
207 bar (3000 psi)
35 bar (500 psi)
207 bar (3000 psi)
0
500 900 1100700 13001500170019002100 2300
Input Speed, rpm
Input Torque, Nm (lb-in)
0
3 (0.8)
Case Flow, lpm (gpm)
1 (9)
2 (18)
3 (27)
4 (35)
5 (44)
6 (53)
7 (62)
8 (71)
1 (0.3)
2 (0.5)
20 bar (300 psi)
20 bar (300 psi)
0
500 900700 1100130015001700190021002300
Input Speed, rpm
Input Torque, Nm (lb-in)
0
Case Flow, lpm (gpm)
10 (89)
20 (177)
30 (266)
50 (443)
40 (354)
60 (531)
2 (0.5)
4 (1.1)
207 bar (3000 psi)
207 bar (3000 psi)
6 (1.6)
1100 1300 1500 1700 1900 2100 2300900700500
180 (47.6)
160 (42.3)
140 (37.0)
120 (31.7)
100 (26.4)
Case Flow, lpm (gpm)
Performance
ADU080
Delivery and case flow versus speed @ 49º C (120º F)
Input torque and case flow stand-by @ 49º C (120º F)
Input torque and case flow cut-off @ 49º C (120º F)
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com 20
Pump installation
B-Mount - rear-ported
Suction port
A
A
38.1
[1.50]
41.1
[1.62]
Pressure
Port
Optional
diagnostic
Port
9.4
[.37]
5.1 [.20]
Ø101.6
[4.00]
2x Ø14.2
[.56]
146.1
[5.75]
87.9
[3.46]
191
[7.52]
2x 218
[8.58]
For compensator conguration
see separate compensator
installation drawing
Optional case drain
For shaft conguration
see separate shaft
installation drawing
Bottom case drain
Optional dignostic port
View A-A
RH Rotation
20.6 [.81]
192.6 [7.58]
77.5
[3.05]
74.7
[2.94]
97.3
[3.83]
79.2 [3.12]
Case drain
72.1 [2.84]
Case drain
122.2
[4.81]
76.1
[3.00]
46 [1.81]
72.1 [2.84]
Case drain
2x 13.6
[.54]
149.1
[5.87]
72.6 [2.86]
[Diagnostic port]
69.1 [2.72]
[Diagnostic port]
Top case drain
110.2
[4.34]
Suction port
Pressure port
LH Rotation
4x .500-13 UNC-2B
[M12 x 1.75-6H
optional]
19.6
[.77]
min
4x .375-16 UNC-2B
[M10 x 1.5-6H
optional]
14
[.57]
min
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com21
Pump installation
B-Mount - side-ported
A
A
For shaft conguration
see separate shaft
installation drawing
For compensator conguration see separate compensator
installation drawing
Pressure
port
Optional case drain
Case drain top
Bottom case drain
Optional
suction port
Optional
diagnostic
port
4X .375-16 UNC-2B
[M10 X 1.5-6H Optional]
14
[.55]
Min
146.1
[5.75]
76.1
[3.00]
73.8 [2.91]
211.7
[8.34]
240.9
[9.49]
71.4
[2.81]
71.4
[2.81]
53.1
[2.09]
44.5
[1.75]
21.3
[.84]
251.4 [Diagnostic port]
[9.90]
238.5 [Diagnostic port]
[9.39]
79.2 [3.12]
(Case drain)
72.1 [2.84]
(Case drain)
122.2
[4.81]
87.9
[3.46]
72.1 [2.84]
[Case drain]
2X 13.6
[.54 ]
5.1
[.20]
Ø101.6
[4.00]
9.4
[.37]
97.3
[3.83 ]
256.2
[10.09]
110.1
[4.34]
46 [1.81]
74.7 [2.94]
View A-A
RH Rotation
LH Rotation
Suction port
4X .500-13 UNC-2B
[M12 X 1.75-6H Optional]
19.6
[.77]
2X Ø14.2
[ .56 ]
Min
218.1
[8.59]
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com 22
Pump installation
C-Mount - rear-ported
For shaft conguration
see separate shaft
installation drawing
For compensator conguration see separate
compensator installation drawing
Optional case drain
154.1
[6.07]
Ø127
[5.00]
RH Rotation
Optional
diagnostic
port
Top case drain
Bottom case drain
Suction port
A
A
Pressure port
110
[4.33]
2X 15.4
[.61]
122.9
[4.84]
46 [1.81]
74.7 [2.94]
2X 230.7
[9.08]
203.7
[8.02]
12.4
[.49]
69.1 [2.72]
[Diagnostic port]
73.3 [2.89]
[Diagnostic port]
38.1
[1.50]
41.1
[1.62]
103.1
[4.06]
5.08
[.200]
114.3
[4.500]
79.2 [3.12]
[Case drain]
72.1 [2.84]
[Case drain]
76.1
[3.00]
122.2
[4.81]
114.5
[4.508]
178.3
[7.02]
2X Ø17.5
[.69]
4X Ø14.33
[.564]
20.6
[.81]
205.3
[8.08]
Optional diagnostic port
Suction port
Pressure port
View A-A
LH Rotation
4X .500-13 UNC-2B
[M12 X 2.5-6H Optional]
19.6
[.77]
Min
4X .375-16 UNC-2B
[M10 X 1.5-6H Optional]
14
[.57]
Min
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com23
Pump installation
C-Mount - side-ported
A
A
150.9 [5.94]
Pressure
port
4X .375-16 UNC-2B
[M10 X 1.5-6H Optional]
14
[.57]
For shaft conguration see
separate shaft installation drawing
For compensator conguration see
separate compensator installation drawing
Case drain left
Case drain top
Case drain bottom
Optional
suction port
Optional
diagnostic port
79.2 [3.12]
[Case drain]
122.2
[4.81]
110
[4.33]
72.1 [2.84]
[Case drain]
76.1
[3.00]
114.5
[4.508]
178.3
[7.02]
114.3
[4.500]
4X Ø14.33
[.564]
2X Ø17.5
[.69]
Ø127
[5.00]
46 [1.81 ]
71.4
[2.81]
71.4
[2.81]
21.3
[.84]
44.5
[1.75]
53.1
[2.09]
74.7
[2.94]
251.2 [diagnostic port]
[9.89 ]
264.1 [10.40]
[Diagnostic port]
73.3
[2.89]
122.9
[4.84]
253.6
[9.99]
Min
268.9
[10.59]
72.14 [2.840]
2X 15.4
[.61]
5.1
[.20]
103.1
[4.059]
12.4
[.49]
224.4
[8.84]
Suction port
230.8
[9.09]
View A-A
RH Rotation
LH Rotation
4X .500-13 UNC-2B
[M12 X 2.5-6H Optional]
19.6
[.77]
Min
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com 24
Pump installation
Thru-Drive SAE A
Ø19.33 (.761) 11 tooth 30°
Flat root side t 16/32
class 1 internal spine per
SAE J498B
Accepts 11 tooth 30° at
root side t 16/32 external
splines per SAE J498B
class 1 or ANSI B92.1 class
5 with 31.8 (1.25) extension
from mounting ange
Additional units driven by
this spline must not
require more than 118.6 N–m
(88 Lbf–ft) of torque
31.8
(1.25)
287.3 (11.31)
300.0 (11.31)
With double shaft seal
and C-mount
Ø 16.54 (.651) 9 toothe 30° at
root side t 16/32 class 5 internal
spline per ANSI B92.1
Accepts 9 tooth 30° at root side
t 16/32 external splines per
SAE J498b Class 1 or ANSI
B92.1 class 5 with 31.8 (1.25)
extension from mounting ange
Additional units dive by this
spline must not require more
than 74.6 N-m (55 Lbf-ft)
of torque
Output shaft installation
9T spline
Maximum torque 75 Nm
(660 in-lbf)
Output shaft installation
11T spline
Maximum torque 119 Nm
(1056 in-lbf)
31.8
(1.25)
287.3(11.31)
(11.31)
300.0
With double shaft seal
and C-mount
172.7
[6.80]
229.9
[9.05]
172.7
[6.80]
287.3
[11.31]
Thru-drive SAE A
3X .375-16
UNC-2B Thru
For output shaft conguration see separate output shaft installation drawing
Groove to accept a cap as
568A size 042
(1/16 X 3 1/4 ID) o-ring
.375-16 UNC-2B
19
[.75]
Min
Ø82.63 ± 0.02
[3.253 ± .001]
7.9
[.31]
86.4
[3.40]
106.38
[4.188]
106.38
[4.188]
Optional mounting position
106.38
[ 4.188 ]
106.38
[ 4.188 ]
2X 15.5
[ .61 ]
9.5
[ .38 ]
287.3
[ 11.31 ]
300.0
[11.81]
With Double Shaft Seal
SAE A Thru-drive cover plate installation
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com25
Pump installation
Thru-Drive SAE B
172.7
[6.80]
172.7
[6.80]
229.9
[9.05]
287.3
[11.31]
Thru-drive SAE B
Output shaft installation
13T spline
Maximum torque 209 Nm
(1850 in-lbf)
SAE B thru-drive cover plate installation
Output shaft installation
13T spline
Maximum torque 337 Nm
(2987 in-lbf)
4X .500-13
UNC-2B Thru
For output shaft
conguration see
separate output shaft
installation drawing
146.1
[ 5.75 ]
146.1
[ 5.75 ]
2X 18.3
[ .72 ]
9.7
[ .38 ]
287.3
[ 11.31 ]
300.0
[11.81]
Groove to accept a cap
as 568A size 045
(1/16 X 4 ID) O-Ring
86.4
[3.40]
146.1
[5.75]
Ø101.68 ± 0.02
[4.003 ± .001]
10.4
[.41]
146.1
[5.75]
41.2
1.62
[ ]
Ø22.5 (.886) 13 tooth 30˚ at
root side t 16/32 class 1
internal spline per SAE J498B
Accepts 13
tooth 30˚
at root
side t 16/32 external splines
per SAE J498B class 1 or ANSI
B92.1 class 5 with 41.2 (1.62)
extension from mounting ange
287.3 (11.31)
300.0 (11.81)
With double shaft seal
and C-mount
46
1.81( )
287.3 (11.31)
300.0 (11.81)
With double shaft seal
and C-mount
Ø
25.5 (1.006) 15 tooth 30° at
root side t 16/32 internal
spline per ASA B5.15-1960
Accepts 15 tooth 30° at root
side t 16/32 external splines
per SAE J498B class 1 or ANSI
B92.1 class 5 with 46 (1.81)
extension from mounting ange
Double shaft seal c-mount
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com 26
Pump installation
Dual shaft seal option
5.7 (.22)
Seal leakage drain (VHO lter optional)
* Refer to C-Mount Pump installation drawings for port locations.
Cross section of dual
shaft seal assembly
B-Mount dual shaft seal*
C-Mount dual shaf
t seal*
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com27
Control installation
Pressure & Flow (Load Sense) Compensator
143.5
[5.65]
71.3
[2.81]
128
[5.04]
171.9 [6.77 ]
66.7
[2.62]
64.5
[2.54]
128
[5.04]
176.0 [6.92]
with double shaft seal
Load sense port
11 7. 9
[4.64]
71.4
[2.81]
158.1
[6.22]
103.7
[4.08]
93.5
[3.68]
106.2
[4.18]
With double
shaft seal
Pressure compensator
Section A-A
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com 28
Control installation
Torque Control
253.3
[ 9.97 ]
145.5
[ 5.73 ]
74.7
[ 2.94 ]
Compensator/control
Not shown for clarity
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com29
Control installation
Electronic Displacement Control (EDC)
72.8
[2.87]
143
[5.63]
128
5.04
[]
162.8
10.35[]
236.4
9.31[]
171.9
6.77[]
98.4
3.87[]
Manual
override
Load sense port
Deutsch
connector
43.5
[1.71]
147.4
[5.80
]
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com 30
Control installation
EH Inverse Proportional Pressure Control (IPPC)
208.1
[8.19]
97.9
[3.85]
107.4
[4.23]
81.3
[3.20]
166
[6.54]
AMP connector Deutsch connector
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com31
Control installation
Electronic De-stroke (Cold Start) Valve
Cold start valve
Load sense port
161.2
[6.34]
161.2
[6.34]
71.5
[2.82]
64.5
[2.54]
74.8 [2.94]
176.7
[6.96]
78.1
[3.08]
119.5
[4.71]
123.8 [4.87]
171.9 [6.77 ]
176 [6.93]
With double shaft seal housing
97.93 [3.86]
Double Shaft
Seal Housing
97.93
[3.86]
49.9
[1.96]
149.63
[5.89]
12 VDC
Flying lead coil shown
see below for options
78.13
[ 3.08 ]
71.37
[ 2.81 ]
135.41
[5.33]
119.53
[4.71]
152.65
[6.01]
Metri-pack 280 option Metri-pack 150 optionDeutsch option
Optional connectors
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com 32
Control installation
External Manual Stroke Adjustment
177.9
7.0 ][
190.6
[ 7.5 ]
With double seal housing and c-mount
Max displacement
18
.71[ ]
25% of max displacement
3.5
.14[ ]
20°
105.1
4.14[ ]
Compensator/control
not shown for clarity
Torque 20 ± 5 Lbf - ft
after adjusting
Max displacement
Max displacement is reduced
by approximately 5 to 6%
per clockwise turn
Maximum stroke limiter
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com33
3
.12[ ]
24.6
[.97]
24.9
+.12
-.11
[.980
+.005
-.004
]
Ø 22.21±.01
[.874
+.001
-.000
]
6.31±.04 Key width
[.248
+.001
-.002
]
41.3
[1.62]
3
.12][
28.6
[1.12]
28.16
+.11
-.12
[1.108
+.005
-.004
]
Ø25.393
+.007
-.006
[.9998
+.0002
-.0003
]
6.31±.04
Key width
[.248
+.001
-.002
]
46
[1.81]
A
A
22.2 [0.875]
7. 9
[0.31]
28.6
[1.125]
59.5
[2.341]
23.0
[0.906]
42.9
[1.688]
24.6
[0.969]
0.1570
.625-18 UNF-2A
125:1000
[1.500:12]
1.6 [63]
3.2
[0.126]
6.3
[0.248]
Section A-A
41.3
1.62[ ]
Ø21.737 (.8558) 13 tooth 30º
at root side t 16/32
class 5 spline per
ANSI B92.1 (Modied)
Fits 13 tooth 30º at root
side t 16/32 internal
splines per SAE J498b
class 1 or ANSI B92.1 class 5
01 Code
Maximum torque 209 Nm (1850 in-lbf)
02 Code
Maximum torque 337 Nm (2987 in-lbf
)
03 Code
Maximum torque 209 Nm (1850 in-lbf)
05 Code
Maximum torque 307 Nm (2717 in-lbf
)
Input shaft options
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com 34
Input shaft options
08 Code
Maximum torque 397 Nm (3514 in-lbf)
32 Code
Maximum torque 640 Nm (5660 in-lbf)
33 Code
Maximum torque 450 Nm (3980 in-lbf)
34 Code
Maximum torque 397 Nm (3514 in-lbf)
46
1.81[ ]
Ø 24.912 (.9808) 15 tooth 30º
at root side t at root
side t 16/32 class 5 spline per
ANSI B92.1 (Modied)
Fits 15 tooth 30º at root
side t 16/32 internal
splines per SAE J498B
class 1 or ANSI B92.1 class 5
55.5
[2.185]
Ø 31.224 (1.2293) 14
tooth 30° at root side
t 12/24 class 5 spline
per ANSI B92.1 (modied)
Fits 14 tooth at root side
t 12/24 internal splines
per SAE J498B class
1 or ANSI B92.1 class 5
7. 9
[0.311]
55.5
[2.185]
33.3
[1.312]
4.9
[0.194]
31.6
[1.245]
35.1
[1.38]
46.0
[1.812]
R 16.0
[0.63]
29.5
[1.16]
1/4-20 UNC-2B
16
(.63)
Ø 24.912 [.9808] 15 Tooth
30° Flat Root Side Fit
16/32 Class 5 Spline per
ANSI B92.1 (Modied)
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com35
Input shaft options
35 Code
Maximum torque 640 Nm (5660 in-lbf)
38 Code
Maximum torque 450 Nm (3980 in-lbf)
55.5
[2.185]
Ø 31.224 (1.2293) 14 tooth 30°
at root side t 12/24
class 5 spline per ANSI
B92.1 (Modied)
Fits 14 tooth at root side
t 12/24 internal splines per
SAE J498B class 1 or
ANSI B92.1 class 5
A
A
73.8
[2.904]
49.2
[1.938]
31.0
[1.219]
31.7
[1.249]
34.9
[1.375]
7. 9
[0.31]
125:1000
[1.500:12]
1.6 [63]
Ø3.99 Thru
[.157]
1.000-12 UNF-2a
4.1
[0.161]
7. 9
[0.312]
Section A-A
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com 36
Center of gravity
Examples: Calculation L
1
and L
2
Tandem ADU062 Thru-drive with ADU041 rear ported
L
1
= Lcg 131.3mm (5.17 inches)
L
2
= Lt + Lcg 287.3mm + 109.6mm
= 396.9mm (15.6 inches)
Tandem dual seal ADU049 Thru-drive with ADU049
side ported
L
1
= Lcg + Lds 131.5mm + 13mm = 144.5mm
(5.69 inches)
L
2
= Lt + Lds + Lcg 287.3mm + 13mm + 114.7mm
= 415mm (16.34 inches)
Tandem pump applications
Eaton recommends that tandem pump applications be provided
with additional support to limit overhung loading of the mounting
flange. The thru-drive alternate attachment points on the rear
flange may be used with a customer designed support.
Rear Port Side Port
Thru-
Drive Length Dual Seal
Lcg L3 L4 Lcg L3 L4 Lcg L3 L4 Lt Lds
ADU041 109.6 (4.31) 9.6 (0.38) 2.9 (0.11) 114.7 (4.51) 9.2 (0.36) 2.4 (0.10) 131.5 (5.18) 8.2 (0.32) 2.1 (0.08) 287.3 (11.31) 13.0 (0.50)
ADU049 109.6 (4.31) 9.6 (0.38) 2.9 (0.11) 114.7 (4.51) 9.2 (0.36) 2.4 (0.10) 131.5 (5.18) 8.2 (0.32) 2.1 (0.08) 287.3 (11.31) 13.0 (0.50)
ADU062 109.9 (4.32) 9.4 (0.37) 2.9 (0.11) 114.9 (4.52) 9.0 (0.35) 2.4 (0.10) 131.3 (5.17) 8.0 (0.31) 2.1 (0.08) 287.3 (11.31) 13.0 (0.50)
ADU080 109.9 (4.32) 9.4 (0.37) 2.9 (0.11) 114.9 (4.52) 9.0 (0.35) 2.4 (0.10) 131.3 (5.17) 8.0 (0.31) 2.1 (0.08) 287.3 (11.31) 13.0 (0.50)
L1
L2
L3
L4
Lt
Center of gravity
EATON 420 MOBILE PISTON PUMP CATALOG E-PUPI-TM002-E7 February 2020 www.eaton.com37
Installation and start-up
Warning: Care should be taken that mechanical and hydraulic
resonances are avoided in the application of the pump. Such
resonances can seriously compromise the life and/or safe
operation of the pump.
Drive data
Mounting attitude should be horizontal using the appropriate
case drain ports to ensure that the case remains full of fluid at
all times. Consult your local Eaton Representative if a different
arrangement is required.
In those cases where geometric tolerances of mounting are
critical, or where specific tolerance ranges are required and not
specified, consult Eaton Engineering for specific limits.
Direction of shaft rotation, viewed from the prime mover end,
must be as indicated in the model designation on the pump –
either right hand (clockwise) or left hand (counterclockwise).
Direct coaxial drive through a flexible coupling is recommended.
If drives imposing radial shaft loads are considered, please
consult your Eaton Representative.
Start-up procedure
Make sure the reservoir and circuit are clean and free of dirt/
debris prior to filling with hydraulic fluid.
Fill the reservoir with filtered oil and fill to a level sufficient
enough to prevent vortexing at the suction connection to pump
inlet. It is good practice to clean the system by flushing and
filtering, using an external slave pump.
Caution: Before the pump is started, fill the case through the
uppermost drain port with hydraulic fluid of the type to be used.
The case drain line must be connected directly to the reservoir
and must terminate below the oil level.
Once the pump is started, it should prime within a few seconds.
If the pump does not prime, check to make sure that there are no
restrictions between the reservoir and the inlet to the pump, and
that the pump is being rotated in the proper direction, and that
there are no air leaks in the inlet line and connections. Also check
to make sure that trapped air can escape at the pump outlet.
After the pump is primed, tighten the loose outlet con nections,
then operate for five to ten minutes (unloaded) to remove all
trapped air from the circuit.
If the reservoir has a sight gage, make sure the fluid is
clear – not milky.
Fluid cleanliness
The 420 Series pumps are rated in anti-wear petroleum
fluids with a contamination level of 21/18/13 per ISO 4406.
Operation in fluids with levels more contaminated than this is
not recommended. Fluids other than petroleum, severe service
cycles, or temperature extremes are cause for adjustment of
these codes. Please contact your Eaton Representative for
specific duty cycle recom mendation.
Eaton 420 Series pumps, as with any variable displacement
piston pumps, will operate with apparent satisfaction in fluids up
to the rating specified here. Experience has shown however, that
pump and hydraulic system life is not optimized with high fluid
contamination levels (high ISO cleanliness codes).
Proper fluid condition is essential for long and satisfac tory life of
hydraulic components and systems. Hydraulic fluid must have
the correct balance of cleanliness, materials, and additives for
protection against wear of components, elevated viscosity and
inclusion of air.
Essential information on the correct methods for treating
hydraulic fluid is included in Eaton publication 561 – “Eaton
Guide to Systemic Contamination Control” – available from
your local Eaton distributor. In this publication, filtration and
cleanliness levels for extending the life of axial piston pumps and
other system components are listed. Included is an excellent
discussion of the selection of products needed to control
fluid condition.
Eaton
Hydraulics Group USA
14615 Lone Oak Road
Eden Prairie, MN 55344
USA
Tel: 952-937-9800
Fax: 952-294-7722
www.eaton.com/hydraulics
Eaton
Hydraulics Group Europe
Route de la Longeraie 7
1110 Morges
Switzerland
Tel: +41 (0) 21 811 4600
Fax: +41 (0) 21 811 4601
Eaton
Hydraulics Group Asia Pacific
Eaton Building
No.7 Lane 280 Linhong Road
Changning District, Shanghai
200335 China
Tel: (+86 21) 5200 0099
Fax: (+86 21) 2230 7240
Eaton is a registered trademark.
All other trademarks are property
of their respective owners.
Eaton
1000 Eaton Boulevard
Cleveland, OH 44122
United States
Eaton.com
© 2020 Eaton
All Rights Reserved
Printed in USA
Document No. E-PUPI-TM002-E7
Supersedes E-PUPI-TM002-E6
February 2020