replacement crankshaft, part number YM129004-21002, for KOMATSU excavator and compatible heavy-equipment applications.
- Primary part number: YM129004-21002
- Alternative part numbers: None listed
- Compatible brands: KOMATSU
- Equipment type: Engine, Excavator, Loader
- Application reference: Komatsu Engine 3D84E 3D88 Excavator PC30MR-2 PC35MR-2 PC35R-8 Loader SK05J-2 SK510-5
- Engine models: 3D84E 3D88
- Condition: replacement
Please verify the primary/alternative part number, connector, dimensions, machine model and engine serial number before ordering.





