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Hydraulics

HTJ Series

Medium Duty Integrated Transmission for Off-Highway Vehicles Up To 1800 LB. Gross Vehicle Weight (GVW), Consisting Of A Hydrostatic Pump, A Hydraulic Motor With Displacement Range of 130 to 293 CC/Rev, Oil, Filter, Reservoir, And Valving. Torque to 5975 lb-in, Side-Load to 4000 LB, Shaft 1.25 Inch.

The HTJ Series Transmission is available with a 10 cc or 12 cc pump and motor displacements up to 293 cc.

HT transmissions reduce the number of parts on a zero turn mower propulsion system from 72 to 2 parts requiring less installation and procurement labor, which provides increased customer efficiency. The integrated HTJ Hydrostatic Transmissions provide a compact, economical solution for the propulsion systems of off-highway vehicles up to 1800 pounds gross vehicle weight.

One integrated package contains the hydrostatic variable displacement pump, reservoir, filter and standard of the industry low speed, high torque motor eliminating dozens of additional parts reducing associated inventory and labor costs. The Integrated Hydrostatic Transmissions perform with up to 10% more overall efficiency than competitive offerings. This means more horsepower to the mowing deck or other functions and more hill-climbing capability.

The HTJ Series transmission is a compact integrated product offering torques to 5975 lb-in, side load to 4000 lb., shaft size 1.25 inch, integrated axial piston pump and motor assembly, integral charge pump, Torqmotor gerotor motor, built-in internal fluid reservoir and filter, direct porting between the pump and motor with no external reservoir needed, with fan and pulley included.

Optional Equipment Includes:

  • Integral parking brake
  • Four or five bolt hub
  • Return-to-neutral assist
  • Integral shock valves

 

  • Specifications
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    • - collapse all

    Performance Characteristics

    Pump Displacement 10 & 12 cc/rev .62, .70 cu in/rev
    Shock Relief Valve Optional -
    Parking Brake Optional -
    Fan Diameter 7 in. standard 6 in. optional
    Pulley Size 5 standard 4 optional
    Maximum Gross Vehicle Weight 1800 lbs. -
    Maximum Vehicle Speed Up to 20 mph -
    Maximum Tire Size Up to 24 inches -
    Motor Displacement 130 to 293 cc/rev -
    Maximum Output Torque Up to 5745 lb-in. -
    Parking Brake Holding Torque 4000 lb-in. -
    Transmission Weight 32 lb. -
    Number of Hub Bolts 4, 5 -
    Expansion tank Integral -
    Oil Change Interval Up to 1000 hrs. -
    Maximum Output Speed Up to 298 rpm -
    Minimum Starting Torque Up to 4370 lb-in. -
    Maximum Input Speed 3600 rpm -
    Motors Displacement 8.0, 10.0, 11.9, 13.9, 15.9, 17.9 -

    Options

    Integral parking brake -
    Four or five bolt hub -
    Return-to-neutral assist -
    Integral shock valves -
    6 or 7 in. fan diameter -
    Pulley size, 4 or 5 -

    Features and Benefits

    Torques to 5975 lb-in. -
    Side load to 4000 lb. -
    Shaft size 1.25 inch -
    10 cc or 12 cc pump and motor displacements up to 293 cc -
    Integrated pump/motor assembly feqturing the industry leading Parker Torqumotor ™ TJ gerotor motor -
    Integral charge pump -
    Easy-to-service filter -
    Integral reservoir, no external expansion tank required -
    Fan and pulley included -
    Easy fluid change -
    Integral shock valves optional -
    Parking brake optional -
    Four or five bolt hub optional -
    Return-to-neutral assist optional -
    Higher-efficiency means more power for cutting, less power required for propulsion -
    Runs cooler resulting in maintaining hydraulic fluid viscosity for longer oil life, less parts wear and higher overall efficiency -
    No gear drive mean faster response and maneuverability, no gear noise, no gear debris -
    Up to 1000 hours of use between hydraulic fluid changes with exclusive Parker HT-1000 oil -
    Compact, quiet, efficient, and durable power to propel -

    Markets

    Turf Equipment -
    Agricultural Machinery -
    Material Handling Equipment -
    Construction Equipment -

    Applications

    Zero Turn Mowers -
    Golf Course Maintenance Equipment -
    Medium Duty Utility Vehicles -
    Light Construction Equipment -
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