Caterpillar® 977K, 977L – Track Loaders

Serial number ranges

Loader S/N: 48J1-UP,11K1-UP
Ripper S/N: 57D1-UP,84G1-UP,77H1-UP,29K1-UP

Application (Cylinder)	Caterpillar® Part No.	Description	Bore	Rod	Note / Serial No.
Lift	244-0962	Seal Kit	6.500"	2.750"	S/N: 48J1-1992
	243-5816	Seal Kit	6.500"	2.750"	S/N: 48J1993-Up,11K7753-Up (RH Side),11K7761-Up (LH Side)
	9X-2473	Seal Kit	6.500"	2.750"	S/N: 11K1793-3686 RH Side Only
	244-0962	Seal Kit	6.500"	2.750"	S/N: 11K1777-3686 LH Side Only
	244-0962	Seal Kit	6.500"	2.750"	S/N: 11K3687-5050
	244-0962	Seal Kit	6.500"	2.750"	S/N: 11K5051-7752 RH Side Only
	244-0962	Seal Kit	6.500"	2.750"	S/N: 11K5051-7760 LH Side Only
	8T-1554	Seal Kit	6.500"	2.750"	S/N: 48J2011-UP,11K3919-UP Use with Fire Retardant Fluids and 9J-9805 Piston
Tilt	244-0955	Seal Kit	6.000"	2.750"	S/N: 48J1-1786
	244-0961	Seal Kit	6.000"	2.750"	S/N: 48J1787-UP,11K5354-UP Use with 9J-8054 Piston
	244-0955	Seal Kit	6.000"	2.750"	S/N: 11K1-5353
	244-0955	Seal Kit	6.000"	2.750"	S/N: 11K5354-7762 Use with 5J-5056 Piston
	8T-1553	Seal Kit	6.000"	2.750"	S/N: 48J1281-UP,11K5051-UP Use with Fire Retardant Fluids and 9J-8054 Piston
Demolition	243-0381	Seal Kit	5.500"	2.500"
Multi-Purpose Bucket	240-8479	Seal Kit	5.000"	2.000"
Side Dump	7S-2727	Seal Kit	5.000"	2.250"
Top Clamp	241-0895	Seal Kit	5.000"	2.250"
Ripper	243-5796	Seal Kit	6.500"	2.500"

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

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