The OTTO 21W-26-00100 is a critical swing drive motor for excavator swing systems, designed to restore full slewing functionality. It provides consistent power for the upper structure rotation, ensuring responsive control, low noise, and long service life—essential for maintaining productivity in harsh construction and earthmoving environments.

This used for EXCAVATOR,Original new and china could offer and With 3-12 months warranty

21W-26-00100 708-7S-00242 PC78MR-6 PC78US-6 PC78UU-6  This used for Swing Motor  KOMATSU, Original new and rebuild could offer and With 6-12 months warranty