1W0312 Main Bearing for Caterpillar Equipment

1W0312 is a standard main bearing for engines installed in Caterpillar equipment. It is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

Fitment

The bearing is listed for the following Caterpillar equipment models and machine series:

• Tracked bulldozers: 3, 3P, 3S, 4, 4A, 4P, 4S, 53, 54, 55, 5A, PAT, D3, D3B, D3C, D3C II, D4B, D4C, D4C II, D4H, D5C, D5C PAT, D5C PATLGP.
• Skidder: 508.
• Multifunctional loaders with attachment kit: IT12, IT18, IT18B, IT28, IT28B.
• Excavators: 215B, 215, E180, EL180.
• Industrial engine: 3204.
• Machine engine: 3204.
• Track loaders: 931, 931B, 931C, 931C II, 935B, 935C, 935C II, 943, 953.
• Wheel loaders: 910, 916, 926, 926E, G910, G916, G926.
• Skidding Caterpillar tractors: 4P, 54H, D4HTSK II.

Cross-reference numbers

• 1W0312
• 1W-0312

Specifications