6J1381 Transmission Seal Ring fit Caterpillar
6J1381 Transmission Seal Ring fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
6J1381 Transmission Seal Ring for Caterpillar Equipment
6J1381 is a transmission seal ring used in Caterpillar equipment, including autograders, wheeled tractor-scrapers, articulated dump trucks, and backhoe loaders. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
The ring is identified as a back-up ring for a high-pressure sealing assembly. Its function is to support the sealing element and limit seal extrusion when pressure in the transmission or hydraulic sealing system increases.
Fitment
The part is listed for the following Caterpillar equipment models and machine series:
- Autograders: 12M 2H; 12M 12M 3; 12M 3 AWD; 140 140H 140H NA; 140H ES 140M 140M.
- Wheeled tractor-scrapers: 633; 633B; 633D; 639D.
- Articulated dump trucks: D400D; D40D.
- Backhoe loaders: 416; 416B; 416C; 416D; 424D; 426; 426B; 428; 428B; 428C; 436; 436B; 438; 438B; 438C.
Fitment should be confirmed against the machine serial number and the part number removed from the transmission sealing assembly before installation, particularly where the same Caterpillar model designation is available in multiple configurations.
Cross-reference numbers
- 6J-1381
- 6J1381
6J1381 and 6J-1381 are two written formats for the same spare-part number.
Specifications
| Part type | Transmission seal ring / back-up ring |
| Equipment manufacturer | Caterpillar |
| Material | NBR nitrile |
| Cross-section width | 0.04 in |
| Cross-section height | 0.12 in |
| Size | 235 in |
| Inner diameter | 3.13 in |
| Weight | 0.1 lb |
| Length | 15.24 cm |
| Width | 12.7 cm |
| Depth | 2.54 cm |
| Installation position | Transmission sealing assembly; exact groove and installation orientation depend on the equipment configuration |
| Package contents | One seal ring |
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