replacement crankshaft, part number YM123900-21000, for KOMATSU excavator and compatible heavy-equipment applications.
- Primary part number: YM123900-21000
- Alternative part numbers: None listed
- Compatible brands: KOMATSU, YANMAR
- Equipment type: Excavator
- Application reference: Yanmar 4TNV106 4TNV106T Komatsu Excavator PC110R-1 PW110R-1 PC95R-2
- Engine models: Verify by part number
- Condition: replacement
Please verify the primary/alternative part number, connector, dimensions, machine model and engine serial number before ordering.





