OMP series Cycloid motor
OMP series displacement range: 50-125
OMT series displacement range: 195-801.8
OMS series displacement range: 80-801.8
OMR series displacement range: 50-395
OMH series displacement range: 203.2–489.2
Category: Hydraulic motor
Tags: OMP Cycloid motor, OMR Cycloid motor, OMS Cycloid motor, OMT Cycloid motor
Description
OMP Series Cycloid Motor
OMP series cycloid motor is a high-performance internal meshing cycloid hydraulic motor, which is widely recognized in the industry for its compact structure, large low-speed torque, and reliable operation. As a classic model of cycloid motors, it can fully replace imported series such as Danfoss OMP and is compatible with domestic similar products. providing cost-effective solutions for various mechanical transmission systems.
Adopting advanced cycloid tooth profile design and precision manufacturing technology, it integrates multiple advantages including small volume, light weight, and easy installation, and is widely applied in various industrial and agricultural fields that require stable low-speed and high-torque transmission.
1. Core Structural Features
The OMP series cycloid motor adopts an integrated structure of the output shaft and distribution valve, with an inserted stator-rotor pair, which effectively improves the motor’s mechanical efficiency and service life. It adopts plane distribution technology, featuring a simple structure, compact layout, and high distribution accuracy, ensuring stable oil distribution during motor operation and avoiding oil leakage and pressure loss.
The internal cycloid gear pair is processed by precision grinding technology, with high tooth profile accuracy and smooth meshing, which not only reduces mechanical noise and energy consumption but also enhances component wear resistance—the gear surface, after carburizing and quenching treatment, can reach HRC58-62, and its wear resistance is 30% higher than that of ordinary gears.
In addition, the motor is equipped with double angular contact ball bearings, which can bear large radial and axial loads, reduce frictional resistance, further improve mechanical efficiency, and ensure stable operation even under long-term heavy-load conditions.
Its overall structural design is compact; its volume is much smaller than that of other types of motors with the same torque, and it is lightweight, which greatly facilitates installation and layout in limited spaces and reduces the overall weight of the equipment.
2. Key Performance Advantages
The most prominent advantage of the OMP series cycloid motor is its excellent low-speed and high-torque performance. It can output large torque without a speed reduction mechanism, which simplifies the equipment’s transmission system, reduces investment costs and maintenance workload, and is very suitable for occasions requiring low-speed and stable operation.
The motor has a wide speed range, enabling stepless speed regulation, and the minimum stable speed can reach 15 rpm, which can meet different speed requirements of various working conditions, and the speed can be flexibly adjusted according to actual operation needs. It has a small moment of inertia, is easy to start under load, can realize forward and reverse rotation, and does not need to stop the machine when reversing, which improves the equipment’s operation efficiency and flexibility.
The motor has reliable sealing performance, adopting high-quality sealing components to effectively prevent oil leakage and adapt to different working environments.
It has good adaptability to oil pollution, low sensitivity to impurities in hydraulic oil, and can maintain stable performance even in harsh working environments, reducing maintenance frequency and costs.
At the same time, it has excellent self-priming performance, which can start and operate quickly without additional oil filling, improving the convenience of use. It can be used in series or parallel in hydraulic systems, featuring flexibility and diversity, and can be matched with different hydraulic components to meet personalized transmission needs of various equipment.
3. Typical Application Scenarios
Due to its comprehensive performance advantages, the OMP series cycloid motor is widely used in various fields.
In the industrial field, it is commonly applied to construction machinery (such as excavator attachments,. crane winches, and bulldozer travel mechanisms), metallurgical equipment, mining machinery. and conveyor systems, providing stable power support for heavy-load transmission.
In the agricultural field, it is suitable for agricultural machinery such as harvesters, seeders, and irrigation equipment, adapting to the harsh working environment of the field and ensuring efficient operation.
In addition, it is also used in light industry, shipbuilding, and environmental protection equipment, such as rotary valves, mixers, and marine winches. Its compact structure and reliable performance make it an ideal choice for occasions with limited installation space and high requirements for operation stability.
Overall Summary
As a high-performance cycloid hydraulic motor, the OMP series integrates compact structure, large low-speed torque, reliable operation, and strong adaptability.
It not only can replace imported products to reduce costs but also can meet the diverse transmission needs of various industries. With strict quality control and precision manufacturing, it has won wide trust from customers at home and abroad, becoming an important core component in hydraulic transmission systems.

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