Swing Motor & Gearbox Description
This Swing Motor & Gearbox is indexed for Komatsu Fit for Komatsu Excavator:PC128UU-2. Compare reference number 21Y-26-01000 against the label on your existing Komatsu component before ordering.
Before checkout, compare OEM part number 21Y-26-01000, connector layout, mounting position, and machine serial number. For high-value or fitment-sensitive parts, submit the fitment form below so support can verify the match.




