Product Overview Premium travel motor / final drive assembly for Yanmar compact excavators, manufactured to OEM specification by KYB (Kayaba) and supplied in three grades — Genuine OEM , Quality Rebuilt , and Aftermarket (OEM-matched) . Designed as the standard high-torque travel drive for crawler mini-excavators, it delivers reliable, high-output propulsion with compact planetary gear reduction. Fitment & Cross-Reference Direct replacement for Yanmar ViO30-2, ViO35, ViO35-2