Specications

Specications

ModelNumbers

SerialNos:790,000andHigher
ManualStartModels:THP15KA363;THP17KA483;THP17KA523;THP17KA363CA;THP17KA483CA
ElectricStartModels:THP19KAE483;THP19KAE523;THP19KAE483CA

Systems

Engine
•EngineSpecications:SeeyourEngineOwner’s
Manual
•RPM:FullSpeed:3600±50RPM(NoLoad)
FuelSystem
•Capacity:5.0gal.(18.9L)
•TypeofFuel:Regularunleadedgasoline,87
octaneorhigher.
•FuelFilter:ReplaceableIn-line
•FuelShut-OffValve:1/4turnincrements
ElectricalSystem(ElectricStart)
•ChargingSystem:FlywheelAlternator
•ChargingCapacity:15amps
•BatteryType:BCIGroupU1
•BatteryVoltage:12Volt
•Polarity:NegativeGround
•Fuses:Two20ampbladetype
SafetyInterlockSystem
•Operatormusthavespeedcontrolleverinneutral,
PTOdisengaged,(andOPCleversdepressedfor
electricstart)tostartengine.ReleaseofOPC
leverswillcausetheenginetostopifspeedcontrol
leverisnotinneutraland/orPTOisengaged.
•Parkbrakemustbeengagedtomovespeed
controloutofneutralorenginewillkill.
OperatorControls
SteeringControl:Fingertipdrivecontrollevers
provideindependentspeedcontrol,brakingand
neutraltoeachdrivewheelformovingforwardor
reverse,stopping,andpowerturning.
Transmission
TwinHydrostaticDrive
•TwoHydroGearvariabledisplacementhigh
efciencypumpsindependentlycoupledtotwo
highefciencyParker/Rosswheeldrivemotors.
•HydraulicOil:UseExmarkPremiumHydroOil.
•HydraulicOilCapacity:2.4qt.(2.2L)
•HydraulicFilterisreplaceablecartridgetype.
P/N109-4180:25microns,10psibypass
(Summeruseabove32°F(0°C))
P/N1-523541:40microns,18psibypass(Winter
usebelow32°F(0°C))
•Speeds:
–0-6.2mph(10.0km/hr)forward.
–0-2.2mph(3.5km/hr)reverse.
•Drivewheelsreleasevalvesallowmachinetobe
movedwhenengineisnotrunning.
WheelDriveSystem
DrivewheelsaredirectcoupledtoParkerwheeldrive
motorswith1inch(25.4mm)taperedshaft.
14