General Information
This hydraulic system includes the following systems:
- Hydraulic tank ( Torque Converter, Hoist, Brake, and Transmission)
- Hoist
- Torque converter
- Brakes and brake cooling
The hydraulic tank and the body hoist system are covered in this module.
For information about the torque converter, see Systems Operation, SENR1488.
For more information about the brakes and about brake cooling, see Systems Operation/Testing and Adjusting, SENR1494.
The steering hydraulic system is separate from other hydraulic systems.
For information about the steering system, see Systems Operation/Testing and Adjusting, SENR1492.
Caterpillar Information System:
789C Off-Highway Truck Hydraulic System General Information
3406C Engines for Caterpillar Built Machines Fuel Injection Pump Housing
583R Pipelayer Engine Supplement Fan - Remove and Install
784C and 785C Off-Highway Trucks Machine Systems Air Tank (Primary) - Remove and Install
784C and 785C Off-Highway Truck Power Train Torque Converter - Assemble
550, 570 and 580 Wheel Harvesters Final Drive Oil - Change
IT14G Integrated Toolcarrier and 914G Wheel Loader Power Train Fixed Axle (Front) - Remove
Challenger 35, Challenger 45 and Challenger 55 Agricultural Tractors Power Train Drawbar
583R Pipelayer Engine Supplement Turbocharger - Remove and Install
Challenger 35, Challenger 45 and Challenger 55 Agricultural Tractors Power Train Belt and Drive
D250E Series II and D300E Series II Articulated Trucks Power Train Priority Valve - Remove and Install
784C and 785C Off-Highway Trucks Machine Systems Relief Valve (Air Tank) - Remove and Install
784C, 785C and 785C HAA Off-Highway Truck/Tractors Hydraulic System General Information
789C Off-Highway Truck Hydraulic System Hydraulic Tank (Torque Converter, Hoist, Brake, and Transmission)
143H and 163H Motor Graders All Wheel Drive Gear Pump (All Wheel Drive)
784C, 785C and 785C HAA Off-Highway Truck/Tractors Hydraulic System Hydraulic Tank (Torque Converter, Pulled Unit, Brake, and Transmission)
D250E Series II and D300E Series II Articulated Trucks Power Train Torque Converter and Retarder - Install
784C, 785C and 785C HAA Off-Highway Truck/Tractors Hydraulic System Hydraulic Tank (Torque Converter, Hoist, Brake, and Transmission)
784C, 785C, 785D, 789C, 789D, 793C and 793D Off-Highway Trucks Power Train Electronic Control System Backup Alarm Function
69D, 769D, 773D, 773E, 776D and 777D Off-Highway Trucks and 771D, 775D and 775E Quarry Trucks Power Train Electronic Control System Backup Alarm
583R Pipelayer Power Train Main Drive Shaft - Remove and Install
Challenger 35, Challenger 45 and Challenger 55 Agricultural Tractors Power Train Wide Swinging Drawbar
583R Pipelayer Engine Supplement Fan Drive - Remove
784C, 785C and 785C HAA Off-Highway Truck/Tractors Hydraulic System Gear Pump (Pulled Unit Hydraulics and Rear Brake Cooling)