HydraulicSystem
ItemDescription
Piston(Traction)Pump
VariableDisplacementAxialPistonPump
MaximumDisplacement(per
revolution)68cc(4.15in³)
SystemReliefPressure:
Forward350bar(5080PSI)
SystemReliefPressure:
Reverse350bar(5080PSI)
ChargePressure20bar(290PSI)
FrontWheelMotors
DualSpeed,RadialPistonMotor
Displacement(perrevolution)
inLow(Mow)Speed
280.3cc(17.1in³)
Displacement(perrevolution)
inHigh(Transport)Speed
560.5cc(34.2in³)
RearWheelMotors
SingleSpeed,RadialPistonMotor
Displacement(perrevolution)213cc(13in³)
GearPump3Section,PositiveDisplacementGearPump
FrontSectionDisplacement
(perrevolution)34.6cc(2.11in³)
MiddleSectionDisplacement
(perrevolution)34.6cc(2.11in³)
FinalSectionDisplacement
(perrevolution)16.9cc(1.03in³)
CuttingDeckMotorsGearMotor
Displacement(perrevolution)24.6cc(1.5in³)
ReliefPressure(frontandleft
decks)
207bar(3000PSI)
ReliefPressure(rightdeck)138bar(2000PSI)
SteeringValveEatonSteeringUnit,Series5
SteeringCircuitReliefPressure145bar(2100PSI)
Lift/LowerCircuitReliefPressure103bar(1500PSI)
HydraulicFilters(2used)Spin−onCartridgeType
HydraulicReservoirCapacity71.9Liters(19U.S.Gallons)
HydraulicReservoirIn−lineSuction
Strainer
100Mesh(inReservoir)
HydraulicOilSeeOperator’sManual
Note:Thepressurespecicationslistedabovearecomponentsettings.When
usingpressuregaugestomeasurecircuitpressures,valuesmaybedifferent
thanthesespecications.SeeT esting(page5–36)sectionofhydraulictest
proceduresandexpectedtestresults.
SpecicationsandMaintenance:Specications
Page2–4
Groundsmaster
®
5900&5910
16227SLRevB