Specifications
Specifications
Model Numbers
Serial Nos: 850,000 and Higher
Manual Start Models: THP16KA363; THP16KA483; THP18KA523; THP16KA363CA; THP16KA483CA
Electric Start Models: THP20KAE483; THP20KAE523; THP20KAE483CA
Systems
neutral to each drive wheel for moving forward or reverse, stopping, and power turning.
Engine
•Engine Specifications: See your Engine Owner’s Manual
•RPM: Full Speed: 3600 (No Load)
Fuel System
•Capacity: 5.0 gal. (18.9 L)
•Type of Fuel: Regular unleaded gasoline, 87 octane or higher; containing no more than 10% methanol or ethanol.
•Fuel Filter: Replaceable
•Fuel
Electrical System (Electric Start)
•Charging System: Flywheel Alternator
•Charging Capacity: 15 amps
•Battery Type: BCI Group U1
•Battery Voltage: 12 Volt
•Polarity: Negative Ground
•Fuses: Two 20 amp blade type
Transmission
Twin Hydrostatic Drive
•Two Hydro Gear variable displacement high efficiency pumps independently coupled to two high efficiency Parker/Ross wheel drive motors.
•Hydraulic Oil: Use Exmark Premium Hydro Oil.
•Hydraulic Oil Capacity: 2.4 qt. (2.2 L)
•Hydraulic Filter is replaceable cartridge type.
P/N
P/N
•Speeds:
–
–
•Drive wheels release valves allow machine to be moved when engine is not running.
Safety Interlock System:
•Operator must have OPC (Operator Presence Control) levers held in contact with handle grips, speed control lever in neutral, and PTO disengaged to start engine. Release of OPC levers will cause the engine to stop if speed control lever is not in neutral and/or PTO is engaged.
•Park brake must be disengaged to move speed control out of neutral or engine will kill.
Operator Controls
Steering Control: Fingertip drive control levers provide independent speed control, braking and
Wheel Drive System
Drive wheels are direct coupled to Parker wheel drive motors with 1 inch (25.4 mm) tapered shaft.
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