785G Off-Highway Truck Systems Caterpillar


Location of Components (Power Train System)

Usage:

785G RTL

Transmission Component Locations

Transmission Hydraulic Control



Illustration 1g06185037

The transmission hydraulic control is located in the transmission housing above the transmission planetary.

Refer to Systems Operation, "Transmission Hydraulic Control" for additional information.

Transmission Planetary



Illustration 2g06185700

The transmission planetary is located in the transmission housing behind the torque converter.

Refer to Systems Operation, "Transmission Planetary" for additional information.

Modulating Valve (Transmission Hydraulic Control)



Illustration 3g06185106

The six modulating valves for the transmission hydraulic control are on the transmission hydraulic control.

Refer to Systems Operation, "Modulating Valve (Transmission Hydraulic Control)" for additional information.

Solenoid - Transmission Control



Illustration 4g06186121

The six solenoid valves for the transmission control are on the modulating valves for the transmission hydraulic control within the transmission housing.

Refer to Systems Operation, "Electronic Control (Power Train System)" for additional information.

Main Relief Valve



Illustration 5g06185134

The main relief valve for the transmission hydraulic pressure is on the transmission hydraulic control.

Refer to Systems Operation, "Power Train System" for additional information.

Oil Filter (Transmission)



Illustration 6g06185624

The Transmission oil filter is on the left-hand side of the machine behind the rear tire.

Refer to Systems Operation, "Oil Filter (Transmission)" for additional information.

Temperature Sensor - Transmission Oil



Illustration 7g06186064

The temperature sensor for the transmission oil is on a tube assembly on the right-hand side of the transmission.

Refer to Systems Operation, "Electronic Control (Power Train System)" for additional information.

Oil Cooler Location

Oil Cooler (Power Train)



Illustration 8g06234490

The oil cooler for the power train is on the right side of the engine and behind the right front wheel.

Refer to Systems Operation, "Oil Cooler (Power Train)" for additional information.

Torque Converter Component Locations

Torque Converter



Illustration 9g06184885

The torque converter is located between the engine and the transmission in the torque converter housing.

Refer to Systems Operation, "Torque Converter" for additional information.

Gear Pump (Power Train)



Illustration 10g06235616

The gear pump for the power train oil is on the left side of the torque converter.

Refer to Systems Operation, "Gear Pump (Power Train)" for additional information.

Modulating Valve (Torque Converter Lockup Clutch)



Illustration 11g06185163

The modulating valve for the torque converter lockup clutch is under the housing of the torque converter at the top of the unit.

Refer to Systems Operation, "Modulating Valve (Torque Converter Lockup Clutch)" for additional information.

Oil Filter (Torque Converter)



Illustration 12g06251878

The Torque Converter oil filter is on the left-hand side of the machine in front of the torque converter oil tank and behind the front tire.

Refer to Systems Operation, "Oil Filter (Torque Converter)" for additional information.

Magnetic Screen (Torque Converter)



Illustration 13g06185674

The magnetic screen for the torque converter oil is located in the torque converter housing on the left-hand side of the torque converter.

Refer to Systems Operation, "Magnetic Screen (Torque Converter)" for additional information.

Temperature Sensor - Torque Converter Oil



Illustration 14g06186309

The temperature sensor for the torque converter oil is on the right side of the torque converter housing.

Refer to Systems Operation, "Electronic Control (Power Train System)" for additional information.

Oil Level Sensor - Torque Converter



Illustration 15g06185864

The torque converter oil level sensor is at the bottom rear of the torque converter housing.

Refer to Systems Operation, "Electronic Control (Power Train System)" for additional information.

Cab Component and ECM Locations

Chassis ECM



Illustration 16g06185944

The Chassis ECM is at the rear of the cab behind the cover panel. (The Chassis ECM is the center unit of the three modules.)

Refer to Systems Operation, "Electronic Control (Power Train System)" for additional information.

Transmission ECM



Illustration 17g06185947

The Transmission ECM is at the rear of the cab behind the cover panel. (The Transmission ECM is the right unit of the three modules.)

Refer to Systems Operation, "Electronic Control (Power Train System)" for additional information.

Transmission Control



Illustration 18g06185962

The transmission control is located in the cab in the console to the right-hand side of the seat.

Refer to Systems Operation, "Power Train System" for additional information.

Final Drive Component Locations

Differential And Bevel Gear



Illustration 19g06185890

The differential and bevel gear area located in the rear axle housing.

Refer to Systems Operation, "Differential And Bevel Gear" for additional information.

Final Drive



Illustration 20g06185904

The final drives are on the outside of each wheel group.

Refer to Systems Operation, "Final Drive" for additional information.

Temperature Sensor - Final Drive



Illustration 21g06186356

The temperature sensors for the final drive oil are on the right side of the truck behind the hydraulic oil tank.

Refer to Systems Operation, "Electronic Control (Power Train System)" for additional information.

Speed Sensor Locations

Speed Sensor - Transmission Input



Illustration 22g06186325

The speed sensor for the transmission input is on the front of the transmission housing.

Refer to Systems Operation, "Electronic Control (Power Train System)" for additional information.

Speed Sensor - Transmission Intermediate



Illustration 23g06186084

The transmission intermediate speed sensor is on the right-hand side of the transmission planetary within the transmission housing.

Refer to Systems Operation, "Electronic Control (Power Train System)" for additional information.

Speed Sensor - Transmission Output



Illustration 24g06186075

The two transmission output speed sensors are at the rear of the transmission.

Refer to Systems Operation, "Electronic Control (Power Train System)" for additional information.

Caterpillar Information System:

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