Hydraulic Piston Motors

Product Information

Eaton 5433-085 is an axial hydraulic piston motor designed for concrete mixer trucks, with a displacement of 89.1cm³/rev, nominal pressure of 420bar, peak pressure of 480bar and maximum output torque of 556N·m. Featuring a splined shaft design and core seals made of FKM material, it boasts high-pressure impact resistance and excellent low-speed stability. Compatible with open/closed hydraulic circuits, its slipper structure reduces friction loss effectively. Widely used in construction machinery, it provides reliable power for the stable rotation of mixer drums.

Product Summary

Known for their superior power density and durability, hydraulic piston motors excel in applications requiring high torque and precise speed control. The advanced piston design minimizes internal friction, resulting in efficient energy use and reduced heat generation. These motors maintain reliable operation even under fluctuating loads and extreme conditions, making them suitable for mobile machinery, mining equipment, and offshore systems. With excellent resistance to wear and high efficiency, hydraulic piston motors deliver long‑lasting performance and lower overall operating costs.

Product Supply

Product Advantages

This hydraulic piston motor adopts a long-meshing piston cylinder structure, with extremely low internal leakage and volumetric efficiency exceeding 95%. It integrates a large-diameter housing drain port to quickly relieve back pressure and prevent seal damage caused by high pressure. The cast iron housing is impact-resistant and corrosion-resistant, suitable for harsh outdoor conditions. The splined shaft minimizes torque loss, adapts to the frequent start-stop needs of mixer trucks, has a long maintenance cycle, and significantly reduces equipment downtime costs.

FAQ

1,Q: What are the core advantages of hydraulic piston motors?

      A: High working pressure, large torque, good low-speed stability, suitable for high-pressure and heavy-load scenarios.

2,Q: Do hydraulic piston motors support bidirectional rotation?

      A: Yes, forward/reverse rotation can be achieved by switching the inlet and outlet ports.

3,Q: What is the typical working pressure range?

      A: Normally 25-40MPa; some high-pressure models can reach over 50MPa.

4,Q: Will "crawling" occur during low-speed operation?

      A: No, the piston structure design ensures stable output at low speeds.

5,Q: How to choose the suitable displacement of the piston motor?

     A: Match displacement by calculating with system flow, required output torque and speed demand.

Our Company

Hebei Runhe Hydraulic Machinery Co., Ltd. is a trusted hydraulics expert with 12 years of industry experience. We design and supply hydraulic piston motors, including not only the Eaton  series but also products such as the Rexroth A6VM and A10VO series and so on.

In addition, we offer customized non-standard hydraulic cylinders and high-performance hydraulic pumps fully compatible with major brands such as Parker and Rexroth.

For reliable technical consultation or product solutions, our team is ready to support you. Please feel free to contact us.