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10 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Control OptionsEH Inverse Proportional Pressure Control (IPPC)EH Invers

11 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Control OptionsRemote Pressure ControlRemote Pressure ControlRemote rel

12 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014“J” Load Sense Signal Port “B” Inlet “F” Case Drain“C” OutletT

13 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Performance ADU041Overall Efciency Versus Speed @ 49º C (120º F), F

14 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014500 1000 1500 2000 2500 3000Input Speed, rpmInput Torque, Nm (in-lb)280

15 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Performance ADU041Input Torque and Case Flow Stand-by @ 49º C (120º F)I

16 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Performance ADU049Overall Efciency Versus Speed @ 49º C (120º F), Fu

17 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 20140500 1000 1500 2000 2500 3000Input Speed, rpm280 bar (4000 psi)250 bar

18 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Performance ADU049Input Torque and Case Flow Stand-by @ 49º C (120º F)I

19 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Performance ADU062Overall Efciency Versus Speed @ 49º C (120º F), Fu

2 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014IntroductionEaton’s 420 Series mobile pumps are open circuit, axial pist

20 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014ADU062 - Input Torque Versus Speed@ 49 Deg C (120 Deg F), Full Flow, an

21 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Performance ADU062Input Torque and Case Flow Stand-by @ 49º C (120º F)I

22 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Performance ADU080Input Power Versus Speed @ 49º C (120º F), Full Flow,

23 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014 Input Speed, rpmInput Power, kW (hp)0400 600 1000 1400 1800 2200800 12

24 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Performance ADU080Input Torque and Case Flow Stand-by @ 49º C (120º F)I

25 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Suction PortPressure Port AA146.15.75( )76.13.00( )97.33.83( )77.53.05(

26 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014AA146.15.75( )76.13.00( )218.18.59( )73.82.91()211.78.34( )71.42.81( )7

27 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014AA(Case Drain)79.23.12( )122.24.81( )1104.33( )(Case Drain)72.12.84( )7

28 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014AA(CaseDrain)79.23.12( )122.24.81( )1104.33( )(Case Drain)72.12.84( )76

29 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 201431.8(1.25)Ø19.33 (.761) 11 Tooth 30˚ FlatRoot Side Fit 16/32 Class 1Int

3 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Table of ContentsModel Codes ...

30 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014287.3 (11.31)300.0 (11.81)With Double Shaft Sealand C-mount146.1 (5.75)

31 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 20145.7 (.22)Seal Leakage Drain(VHO Filter Optional)Cross Section of DualSh

32 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Control InstallationLoad Sense and Pressure CompensatorLoad Sense and P

33 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Control InstallationPressure CompensatorPressure Compensator 117.94.64

34 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Control InstallationTorque Control148.59(5.85)74.67(2.94)262.12(10.32)C

35 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Control InstallationEH Inverse Proportional Pressure Control (IPPC)208

36 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Control InstallationCold Start Valve165.1(6.50)141.73(5.58)69.85(2.75)9

37 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014177.97.0 ][190.6[ 7.5 ]With Double Seal Housingand C-mount Max Displace

38 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014AA0.87500.31001.12502.34100.90601.68800.9690 0.1570.625-18 UNF-2A125:10

39 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014461.81[]Ø 24.912 (.9808) 15 Tooth 30º Flat Root Side Fit 16/32 Class 5

4 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Model Codes420 Mobile Piston Pump1 2 3 Pump SeriesADU – 420 Series Open

40 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 201435 Code38 CodeInput Shaft Options2.1850Ø 31.224 (1.2293) 14 Tooth 30°Fl

41 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Center of Gravity Rear Port Side Port Thru-Drive Length

42 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Fluid CleanlinessThe 420 Series pumps are rated in anti-wear petroleum

© 2014 EatonAll Rights Reserved Printed in USADocument No. E-PUPI-TM002-E4Supersedes E-PUPI-TM002-E3November 2014Eaton Hydraulics Group USA14615 Lone

5 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014ADU 062 R 08 AB 1 0 A 43 14 00 0A 1 AB 1 00 CD 0 B17 1

6 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Specifications and PerformanceInlet Pressure, Case Pressure, and Operatin

7 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014 “B” inlet “F” case drain“C” outletTo load“J” load sensesignal

8 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Control OptionsPressure CompensatorPressure Compensator Control The pum

9 EATON 420 Mobile Piston Pump Technical Manual E-PUPI-TM002-E4 November 2014Control Options Torque ControlTorque ControlThe 420 Torque Control limit