475cc Sauer Hydraulic Motor|For Post Hole Diggers|High-Efficiency Hydraulic Solutions

Model No.
	250/300/475cc
	385/560Nm
	5/6KW
	60/75l/min
	475cc sauer hydraulic motor, post hole diggers sauer hydraulic motor, 475cc sauer danfoss hydraulic motor

This 475 cm³/rev high-performance cycloidal hydraulic motor is built on the industry-proven technology platform of Sauer-Danfoss, engineered for heavy-duty rotational drive tasks in agricultural and construction machinery-primarily post hole diggers. As a core hydraulic actuator in efficient drive systems, it delivers robust, stable rotational power to drill pipes, ensuring dependable digging performance across diverse soil conditions. It withstands rigorous workloads seamlessly, elevating equipment efficiency and durability while guaranteeing reliable operation in tough field conditions.

1. Optimized specifically for heavy-duty working conditions of digging machines
• Large displacement and high torque output: 475 cc super large displacement design, providing up to 560 N·m of strong continuous torque, which can easily drive the drill bit to cut various types of soil, including clay, frozen soil and stone-containing soil layers.
• Low-speed and high-torque characteristics: Typical LSHT design, which can output stable and strong torque at extremely low speeds, meeting the needs of starting drilling and precise control of the digging machine.
• High impact resistance: The internal moving pairs have undergone strengthening treatment, which can withstand frequent stone impacts and sudden overloads encountered in digging operations, adapting to the harsh working conditions of complex formations.
2. Advanced Sauer cycloid technology platform
• Mature Geroler® stator-rotor technology: Adopting a column-inserted type rotor-stator pair design, with low starting pressure and high starting efficiency, ensuring stable startup under heavy loads and reducing the impact on the tractor's hydraulic system.
• High-pressure working capability: Suitable for long-term work in high-pressure environments, the roller-equipped ring gear design significantly improves durability and reliability.
• Efficient internal oil distribution: The optimized oil distribution mechanism reduces internal leakage, improves volumetric efficiency, reduces system heat generation, and achieves more efficient hydraulic energy conversion.
3. Robust load-bearing structure
• Tapered roller bearing support: The output shaft uses heavy-duty tapered roller bearings, which can bear the huge radial and axial loads transmitted by the drill pipe, ensuring stability in inclined drilling and hard soil layers.
• High-strength cast iron housing: The sturdy housing design can withstand vibrations and impacts during the operation of the digging machine, adapting to harsh field working conditions.

This 475cc cycloidal motor is widely used in the following digging equipment and agricultural machinery:
1. Digging machines and drilling equipment
• Tractor-mounted digging machines: drive for digging operations in afforestation, orchard column setting, and fence installation


2. Agricultural and garden machinery



3. Engineering and municipal construction

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