February 2017 Service ManualSpecificationsPart No. 1259369GT S-80 • S-85 • S-80X 5UCON Hydrolube HP-5046 FluidPropertiesISO Grade 46Viscosity index 192Kinematic ViscositycSt @ 149°F / 65°CcSt @ 104°F / 40°CcSt @ 0°F / -18°C22461300Flash point NonePour point -81°F / -63°CMaximum continuous operatingtemperature189°F / 87°CHydraulic Component SpecificationsDrive PumpType: bi-directional variable displacement piston pumpDisplacement per revolution 0 to 2.8 cu in0 to 46 ccFlow rate @ 2300 rpm 30.3 gpm114.7 L/minDrive pressure, maximum 3750 psi259 barCharge PumpType gerotorDisplacement per revolution 0.85 cu in13.9 ccFlow rate @ 2300 rpm 9 gpm34 L/minCharge pressure @ 2300 rpmNeutral position310 psi21.4 barFunction pumpType: variable displacement piston pumpDisplacement per revolution 0 to 2.3 cu in0 to 38 ccFlow rate @ 2300 rpm 0 to 23 gpm0 to 87 L/minPressure, maximum 2900 psi200 barPressure compensator 2900 psi200 barStandby pressure 250 psi17.3 barAuxiliary PumpType: fixed displacement gear pumpDisplacement per revolution 0.15 cu in2.47 cc
