Komatsu Metal Conrod 0.75MM 6138-37-3040

The Komatsu Metal Conrod 0.75MM 6138-37-3040 is identified in the supplied parts catalog as a CONNECTING ROD & RELATED PARTS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include 4D105-5H/5J/5T, 4D105-5H/5T, S6D110-1, and SA6D110-1. Listed machine applications include D31A-17, D31E-17, D31P-17, D31P-17A, and D31Q-17. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6138-37-3040 used for?

Part number 6138-37-3040 is cataloged as a Metal Conrod 0.75MM. It appears in the CONNECTING ROD & RELATED PARTS parts group. The correct selection depends on the engine model, machine model, and the applicable serial-number range.

Compatible engine models

4D105-5H/5J/5T, 4D105-5H/5T, S6D110-1, SA6D110-1, SA6D110-1C/G, SA6D110-1N/P/P-B

Engine models with serial-number ranges

4D105-5H/5J/5T (Build 5B) ? 102876-152519 | 4D105-5H/5T (Build 5C) ? 152520-Up | S6D110-1 (Build 8A) ? 50195-Up | SA6D110-1 (Build 8B) ? 50001-Up | SA6D110-1C/G (Build 8C) ? 10350-Up | SA6D110-1N/P/P-B (Build 8D) ? 50001-Up

Application models without serial numbers

D31A-17, D31E-17, D31P-17, D31P-17A, D31Q-17, D31S-17, GD300-A, WA350-1, WA350-1, GD615A-1, PC280LC-3, D66S-1, WA380-1, WA380-1, WA400-1, WA420-1, N/K, EG150-3, EG150-5

Applications with serial-number ranges

D31A-17 S/No. 32001-Up, D31E-17 S/No. 32001-Up, D31P-17 S/No. 32001-Up, D31P-17A S/No. 32001-Up, D31Q-17 S/No. 32001-Up, D31S-17 S/No. 32001-Up, GD300-A S/No. 2001-Up, WA350-1 S/No. 10001-Up, WA350-1 S/No. A11604-Up, GD615A-1 S/No. 50001-Up, PC280LC-3 S/No. 10001-Up, D66S-1 S/No. 1001-Up, WA380-1 S/No. 10001-Up, WA380-1 S/No. A20012-Up, WA400-1 S/No. 10001-Up, WA420-1 S/No. 10001-Up

How do I confirm fitment?

Match 6138-37-3040 to the existing part number and verify the complete engine model, equipment model, and serial number. A shared model name does not confirm compatibility because production changes can affect the required component.

Frequently asked question

Will 6138-37-3040 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.