0951784 Back-up Ring for Caterpillar Equipment

0951784 is a back-up ring used in hydraulic and transmission sealing applications on Caterpillar excavators, mini hydraulic excavators and track-type tractors. The part is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

The back-up ring is listed for the following Caterpillar equipment models and series:

• Excavators: 307, 311, 311B, 311C, 311D LRR, 312, 312B, 312B L, 312C, 312C L, 312D, 312D L, 312D2, 312D2 GC, 312D2 L, 312E, 312E L, 313B, 313D, 313D2, 313D2 LGP, 314C, 314D CR, 314D LCR, 314E CR, 314E LCR, 315, 315B, 315B L, 315C, 315D L, 316E L, 317, 317B LN, E110, E110B, E120, E120B, E140, E180, E200B, E240, E300, E450, E650 and E70B.
• Mini hydraulic excavators: 307, 307B, 307D, 308D, 308E, 308E CR and 308E SR.
• Track-type tractors: D7G.

Specifications