Komatsu Crankshaft C/W Gear 6205-31-1202

The Komatsu Crankshaft C/W Gear 6205-31-1202 is identified in the supplied parts catalog as a CRANKSHAFT & RELATED PARTS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include S4D95L-1A/1B/1G, S4D95L-1K, and SAA4D95LE-3A-4A/W. Listed machine applications include PC100-5, PC120-5, PC120-5C, PC120-5M, and PC120-5Z. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 6205-31-1202 used for?

Part number 6205-31-1202 is cataloged as a Crankshaft C/W Gear. It appears in the CRANKSHAFT & RELATED PARTS parts group. The correct selection depends on the engine model, machine model, and the applicable serial-number range.

Compatible engine models

S4D95L-1A/1B/1G, S4D95L-1K, SAA4D95LE-3A-4A/W

Engine models with serial-number ranges

S4D95L-1A/1B/1G (Build 1H) ? 48811-Up | S4D95L-1K (Build 1J) ? 135080-Up | SAA4D95LE-3A-4A/W (Build 1L) ? 100001-Up

Application models without serial numbers

PC100-5, PC120-5, PC120-5, PC120-5C, PC120-5M, PC120-5Z, PC130-5, PC100-6 / 6Z, PC100L-6, PC120-6 / 6Z, PC130-6, PW130-6K, PC130-7, PC130-7K, PC138US-2

Applications with serial-number ranges

PC100-5 S/No. 28001-Up, PC120-5 S/No. 30001-Up, PC120-5 S/No. A40001-Up, PC120-5C S/No. 36601-Up, PC120-5M S/No. 36601-Up, PC120-5Z S/No. 36601-Up, PC130-5 S/No. 36601-Up, PC100-6 / 6Z S/No. 40001-Up, PC100L-6 S/No. 15001-Up, PC120-6 / 6Z S/No. 45001-Up, PC130-6 S/No. 45001-Up, PW130-6K S/No. K30001-Up

How do I confirm fitment?

Match 6205-31-1202 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 6205-31-1202 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.