22U-26-21551 Komatsu Swing Transmission Ring Gear is one of the critical transmission components located in the upper structure rotation mechanism of excavators. This component works in full compatibility with PC200-7, PC220-7, PC200-8, and PC210-11 model heavy machinery.
Compatibility and Installation Notes
During the replacement phase of swing gear assemblies, it is recommended to thoroughly inspect wear conditions along with the swing motor pinion gear. Performing complete runout checks during the installation of this gear component with part number 22U-2621551 directly affects system lifespan.
You can check the hydraulic transmission connectors and gear pitches to ensure that the 22U-26-21551 code matches the machine's chassis serial number or the original part numbers on the swing assembly.
