4J0805 Washer for Caterpillar Equipment

The 4J0805 is a washer used in C-Series head bolt applications for equipment manufactured by Caterpillar. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The available application data identifies this washer for Caterpillar backhoes, track loaders, track skidders, track-type tractors, tractors, trucks, wheel loaders, wheel scrapers, and wheel tractors. The model designations are grouped below by equipment type as provided in the application listing.

Fitment

• Backhoe: 931.
• Track loader: 931B.
• Track skidder: 517, 527, D4HTSK II, D4HTSK III, D5HTSK II.
• Track-type tractor: 30/30, D4H, D4H XL, D5H, D5H XL, D5R LGP, D6M, D6N, D6N LGP, DEUCE.
• Tractor: 784B.
• Truck: 785B, 789B, 793B.
• Wheel loader: 980, 980B.
• Wheel scraper: 621G, 623G, 627G, 630B, 631D, 631E, 631G, 633, 633D, 633E, 637, 637B, 637E, 637G.
• Wheel tractor: 621G, 623G, 627G, 631C, 631E, 631G, 633C, 633E II, 637D, 637E, 637G.

Specifications