Yaskawa HW9381671-A Motoman Robotic Gear Reducer

The Yaskawa HW9381671-A Motoman robotic gear reducer is a precision speed reducer designed for Motoman YR-UP50 manipulators, delivering high torque and precise motion control for robot joints. Commonly applied in robotic welding, material handling, and automated production systems requiring smooth, accurate axis movement, this RV/cycloidal gear reducer reduces joint speed while increasing torque to improve cycle times and repeatability. It is installed as part of the robot arm joint assembly and housed in a heavy-duty machined gearbox, built to withstand demanding production environments. Key specifications: Manufacturer Yaskawa Electric (Motoman); Model/Part HW9381671-A; Product Type Speed Reducer / Gearbox; Robot Compatibility Motoman YR-UP50; Gear Type Precision RV / cycloidal reducer; Function reduces speed and increases torque for robot joint movement; Installation integrated into robot arm joint assembly; Availability typically refurbished, surplus, or used. Common replacements include Yaskawa HW9381672-A, HW9380957, and HW9381442-A.