Flexible Coupling Group Information has been Updated on Certain 794 AC, 795F AC, and MT4400D AC Off-Highway Trucks {4456} Caterpillar

Off-Highway Truck/Tractor

794 AC (S/N: MN51-56; MT51-112)

795F AC (S/N: ERM153-172,174-296)

795FAC XQ (S/N: SNT1-101)

MT4400D AC (S/N: MH41-803; MT41-808)

Reference: Refer to Disassembly and Assembly, KENR8715, "Coupler Adapter and Mounting - Install on Certain 794 AC, 795F AC, and MT4400D AC Off-Highway Trucks".

Reference: Refer to Disassembly and Assembly, UENR2270, "Coupler Adapter and Mounting - Remove and Install 794 AC Off-Highway Truck Power Train".

Reference: Refer to Disassembly and Assembly, KENR8726, "Engine - Install 795F AC and 795F AC XQ Off-Highway Truck Engine Supplement".

Service information has been modified for the media listed above. Inspecting the elements of the flexible coupling prior to engine install is required. Measuring engine crankshaft end play before and after installing the flexible coupling is required.

The service information is available through the normal literature distribution system. The publications can also be found on Caterpillar Service Information System (SIS).