784B and 785B Off-Highway Truck Hydraulic System Caterpillar


General Information

Usage:

785B 6HK
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, SENR6306.

For more information about the brakes and about brake cooling, see Systems Operation, SENR6311.

The steering hydraulic system is separate from other hydraulic systems.

For information about the steering system, see Systems Operation, SENR6309.

Caterpillar Information System:

768C, 769C, 769D, 772B, 773B, 773D, 776C, 777B, 777D, 784B, 785, 785B, 789, 789B, 793, 793B and 793C Off-Highway Truck/Tractors and 771C, 771D and 775D Quarry Trucks Automatic Retarder Control (ARC) System Pressure Switch (Accelerator)
768C, 769C, 769D, 772B, 773B, 773D, 776C, 777B, 777D, 784B, 785, 785B, 789, 789B, 793, 793B and 793C Off-Highway Truck/Tractors and 771C, 771D and 775D Quarry Trucks Automatic Retarder Control (ARC) System Speed Sensor (Engine)
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