6742-01-5474 Piston Pin

The 6742-01-5474 Piston Pin is a replacement piston pin for Komatsu equipment. It is listed for use in Komatsu bulldozers, excavators, graders, wheel loaders, and engines. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The supplied equipment data identifies the part by the Komatsu application groups and model designations listed below. The fitment information includes specific machine series, while the engine application is provided only as “Engine” without a separate engine model designation.

Fitment

• Komatsu bulldozers: D61EX, D61PX.
• Komatsu excavators: PC300, PC300HD, PC360.
• Komatsu graders: 850B, 870B, GD650A.
• Komatsu wheel loaders: WA380, WA420, WA430.
• Komatsu engines: Engine. No additional engine model designation is specified in the available application data.

The model references above represent the equipment applications provided for this piston pin. The part should be matched against the machine model and the installed engine or piston assembly before installation, because the available data does not specify a serial-number range, engine code, or production year.

Specifications

The listed dimensions and weight are the available product data for the part. The supplied description does not provide piston-pin bore diameter, pin length as a functional dimension, material specification, surface treatment, retaining method, or installation position within the piston assembly.