Main Bearing 1W1656 for Caterpillar Equipment

1W1656 is a main bearing for Caterpillar equipment. It is used in Caterpillar 3204 engine applications and in Caterpillar machinery including 215B, IT18, IT18B, IT28, IT28B, 931, 931B, 943, and 953 models. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part belongs to the engine bearings category and is listed for use with Caterpillar engine-machine applications, excavators, integrated toolcarriers, and track-type loaders. The available fitment data identifies the equipment models below; engine serial-number compatibility should be checked before installation.

Fitment

• Caterpillar 3204
• Caterpillar 215B
• Caterpillar IT18
• Caterpillar IT18B
• Caterpillar IT28
• Caterpillar IT28B
• Caterpillar 931
• Caterpillar 931B
• Caterpillar 943
• Caterpillar 953

For the listed applications, 1W1656 is identified as a bearing used in Caterpillar equipment. The fitment list includes both machine models and the Caterpillar 3204 engine designation. The available product information does not specify a particular machine position, engine serial-number range, crankshaft journal size, or whether the bearing is an undersize or oversize version.

Cross-reference numbers

The part is identified under the same 1W1656 number in the available equipment manufacturer and aftermarket reference data. No additional supplier numbers are provided in the source information.

Specifications