Komatsu Main & Thrust Metal Set STD 51Z3180278

The Komatsu Main & Thrust Metal Set STD 51Z3180278 is identified in the supplied parts catalog as a CRANKSHAFT & RELATED PARTS for specific Komatsu diesel engine and equipment configurations. Cataloged engine models include S6D170-1, S6D170E/SA6D170E/SAA6D170E-2, SA6D170-1, and SA6D170-A-1T. Listed machine applications include D275A-2, PC650-1, WA600-1, WA600-1L, and D375A-3. Use the complete model and serial-number details below to compare this part with the equipment being serviced.

What is 51Z3180278 used for?

Part number 51Z3180278 is cataloged as a Main & Thrust Metal Set STD. 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

S6D170-1, S6D170E/SA6D170E/SAA6D170E-2, SA6D170-1, SA6D170-A-1T, SAA6D170E-2A

Engine models with serial-number ranges

S6D170-1 (Build 15A) ? Not Provided | S6D170E/SA6D170E/SAA6D170E-2 (Build 15B) ? Not Provided | SA6D170-1 (Build 15C) ? Not Provided | SA6D170-1 (Build 15D) ? Not Provided | SA6D170-A-1T (Build 15E) ? 14203-Up | SAA6D170E-2A (Build 15F) ? 17389-Up

Application models without serial numbers

D275A-2, PC650-1, WA600-1, WA600-1, WA600-1L, D375A-3, D375A-3, D375A-3AD / 3D, PC1000-1, PC1000LC-1, PC1000SE-1, PC1000SP-1, PC1100-6, PC1100LC-6, PC1100SP-6, WA600-3, WA700-1L, WA700-3, WA700-3L, D375A-1, D375A-2, WA700-1, HD465-3, HD465-5, HD605-5

Applications with serial-number ranges

D275A-2 S/No. 10001-Up, PC650-1 S/No. 10007-Up, WA600-1 S/No. 10001-Up, WA600-1 S/No. A10081-Up, WA600-1L S/No. A10391-Up, D375A-3 S/No. 17001-17500, D375A-3 S/No. 17501-Up, D375A-3AD / 3D S/No. 17001-Up, PC1000-1 S/No. 10001-Up, PC1000LC-1 S/No. 10001-Up, PC1000SE-1 S/No. 10001-Up, PC1000SP-1 S/No. 10001-Up, PC1100-6 S/No. 10001-Up, PC1100LC-6 S/No. 10001-Up, PC1100SP-6 S/No. 10001-Up, WA600-3 S/No. 50001-Up, WA700-1L S/No. A20001-Up, WA700-3 S/No. 50001-Up, WA700-3L S/No. A50001-Up, D375A-1 S/No. 15001-Up, D375A-2 S/No. , 16001-Up, WA700-1 S/No. 10001-Up, HD465-3 S/No. 2001-Up & A2060-Up, HD465-5 S/No. 4001-Up, HD605-5 S/No. 1001-Up

How do I confirm fitment?

Match 51Z3180278 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 51Z3180278 fit every listed Komatsu machine?
No. Fitment is limited to the cataloged engine, application, and serial-number combinations. Confirm all identifying information before ordering.