Yaskawa HW9381671-A Motoman Robotic Reduction Gear Speed Reducer From a YR-UP50

Description:

The Yaskawa HW9381671-A is used a robotic speed reducer used in Yaskawa Motoman YR-UP50 manipulators to provide high-torque, precision motion control for robot joints. Commonly applied in robotic welding, material handling, and automated production systems requiring smooth, accurate axis movement. Purchased by maintenance teams, OEMs, and integrators for repair, replacement, or refurbishment to restore robot accuracy, repeatability, and performance.

Applications:

The Yaskawa HW9381671-A reducer is used in industrial robotics where precise torque transmission and positioning are critical for articulated robot arms. It is commonly deployed in robotic welding cells, assembly lines, material handling systems, and automated manufacturing environments where consistent joint performance directly impacts cycle time, accuracy, and repeatability.

Technical Specifications:

• Manufacturer: Yaskawa Electric (Motoman)
• Model / Part Number: HW9381671-A
• Product Type: Speed Reducer / Gearbox
• Robot Compatibility: Motoman YR-UP50
• Function: Reduces speed and increases torque for robot joint movement
• Gear Type: Precision RV / cycloidal reducer (typical for Motoman robots)
• Installation: Integrated into robot arm joint assembly
• Construction: Heavy-duty machined gearbox housing
• Application Type: Robotic motion control
• Availability: Typically refurbished, surplus, or used

Common Replacements:

• Yaskawa HW9381672-A
• Yaskawa HW9380957
• Yaskawa HW9381442-A