Caterpillar® 783B, 784B, 784C, 785, 785B, 785C – Off-Highway Trucks

Serial number ranges

Tractor S/N: 5RK1-UP,2PZ1-UP
Truck S/N: 8GB1-UP,6HK1-UP,8YM1-UP,1HW1-UP,5AZ1-UP,APX1-UP

Application (Cylinder)	Caterpillar® Part No.	Description	Bore	Rod	Note / Serial No.
Hoist	8T-4939	Seal Kit	11.500"	7.250"	S/N: 8GB,6HK,8YM,1HW,5AZ,APX
Front Suspension	113-7476	Seal Kit	13.125"	11.000"	S/N: 8GB,6HK,8YM,1HW,5AZ,APX
Rear Suspension	156-5209	Seal Kit	12.500"	11.000"
Steering	243-0386	Seal Kit	5.000"	2.500"	S/N: 8GB1-316
	242-2542	Seal Kit	5.000"	2.500"	S/N: 8GB1-316
	243-0384	Seal Kit	5.000"	2.500"	S/N: 8GB317-UP,5RK,6HK,8YM,1HW,2PZ,5AZ,APX

For reference only. Send us your machine serial number before ordering and we will confirm the correct kit.

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Caterpillar®, Komatsu®, Volvo®, JCB® and other brand names are registered trademarks of their owners and are used only to indicate compatibility.