Danfoss WR Series Hydraulic Motor 255040A1101AAAAA

The Danfoss WR Series Hydraulic Motor, model 255040A1101AAAAA (part number 11204617), is a compact, high-torque gerotor motor designed for low-speed, high-torque applications in industrial and mobile hydraulic systems. Part of the White Drive Products lineup acquired by Danfoss, this motor features a robust roller stator design that provides smooth operation, high efficiency, and excellent starting torque. It is ideal for use in conveyors, winches, augers, and agricultural equipment where reliable performance under varying loads is essential. Key benefits include low noise levels, minimal leakage, and a wide speed range, offering advantages over traditional gear motors in terms of durability and efficiency. Drawbacks may include higher initial cost compared to simpler piston motors and the need for clean hydraulic fluid to prevent wear. This specific model has a displacement of 4.0 cubic inches per revolution, with axial ports and a standard shaft configuration. Based on the provided images, the unit appears to be new in original packaging, with no visible damage to the box or labels. For detailed model decoding, refer to Danfoss White Drive Products catalogs. Additional resources include the WR Series datasheet (available at https://www.danfoss.com/en/products/dps/motors/low-speed-high-torque-motors/white-wr-series/) and installation manual (PDF summary: covers mounting, fluid recommendations, and torque specs). Estimated market value is based on comparable new units.