1265984 Backup Ring

Backup ring for O-ring sealing assemblies used on Caterpillar equipment. The part is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

The 1265984 backup ring is listed for the following Caterpillar equipment models and machine series:

• Backhoe Loaders: 416B, 416C, 416D, 420D, 424D, 426C, 428B, 428C, 428D, 430D, 432D, 436C, 438C, 438D, 442D, 446B, 446D.
• Challenger: 35, 45, 55, 65E, 75E, 85E, 95E.
• Load Haul Dump: R1300, R1600, R1600G.
• Track Skidders: 517, 527, D4HTSK III, D5HTSK II.
• Track-Type Tractors: D5H, D5H XL, D5M, D5N, D6M, D6N.
• Wheel Skidders: 515, 525, 525B, 525C, 535B, 535C, 545, 545C.

Specifications