System Schematic
This simplified electrical schematic is for the 844K Wheel Dozer Electro Hydraulic and Power Train System. The schematic is correct but the schematic does not show all possible harness connectors.
Reference: Electrical Schematic , UENR4996, "844K Wheel Dozer (T4F) Electrical System Schematic" for the complete machine schematic. Electrical Schematic , UENR1697, "844K Wheel Dozer (LRC) Electrical System Schematic" for the complete machine schematic.
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Illustration 1 | g03651124 |
Schematic of the J1 connections for the Implement ECM. |
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Illustration 2 | g03651125 |
Schematic of the J2 connections for the Implement ECM. |
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Illustration 3 | g03651127 |
Schematic of the J1 connections for the "Transmission" ECM. |
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Illustration 4 | g03651128 |
Schematic of the J2 connections for the "Transmission" ECM. |
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Illustration 5 | g03651132 |
Schematic of the CAN Data Link connections |
Caterpillar Information System:
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980M and 982M Wheel Loaders Power Train, Steering, Braking, Hydraulic, and Machine Systems Suction Fan
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980M and 982M Wheel Loaders Power Train, Steering, Braking, Hydraulic, and Machine Systems Differential and Bevel Gear
980M and 982M Wheel Loaders Power Train, Steering, Braking, Hydraulic, and Machine Systems Differential and Bevel Gear
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844K Wheel Dozer Wiring Harness (Open Circuit) - Test
844K Wheel Dozer Wiring Harness (Short Circuit) - Test
844K Wheel Dozer Sensor Supply - Test
844K Wheel Dozer Operator Control Switch (Switch to Ground) - Test
844K Wheel Dozer Relay - Test
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