motor orbital oms 400

2026-08-04

Many users of heavy-duty equipment frequently encounter a common problem during daily operations: while the equipment runs normally under no-load conditions, as soon as it begins pulling heavy loads, driving large rollers, or operating under winch loads, it experiences power loss, a drop in rotational speed, jerking during startup, and a lack of power under load. This not only significantly reduces operational efficiency but also leads to issues such as material jamming, unstable equipment start-up and shutdown, and repeated troubleshooting that delays project schedules. Ultimately, this is mostly due to the selected hydraulic motors having insufficient torque reserve, making them unsuitable for the demands of long-term, heavy-load, low-speed continuous operation. Addressing these daily operational challenges faced by heavy-duty equipment users, the Motor Orbital OMS 400 high-displacement cycloidal hydraulic motor—with its core performance features of high torque at low speeds and stable heavy-load output—has become the preferred power component for heavy-duty equipment in mining, agriculture, and construction. Hanjiu has dedicated many years to the R&D and production of heavy-duty hydraulic motors. With a deep understanding of the pain points users face during heavy-duty operations, the company has meticulously refined the performance of the OMS 400 to ensure it is well-suited for a wide range of high-intensity, routine heavy-duty applications.

 

The key advantage of the OMS 400 orbital motor is the ample torque reserve provided by its large displacement, which completely eliminates the problem of power loss under heavy loads. As the flagship model in the OMS series with large displacement, the OMS 400 features a high displacement per revolution. Combined with a precision-engineered cycloidal distribution mechanism, it can continuously deliver constant, powerful torque at low speeds without the need for an additional reduction gear. When users operate heavy-duty winches, large-scale conveying equipment, deep-tilling agricultural machinery, or heavy-duty road maintenance machinery on a daily basis, the motor starts up smoothly and powerfully. There is no slippage during idling, no speed drop under load, and no fluctuating power output. Even during sustained low-speed, heavy-load operations, power delivery remains linear and stable, perfectly meeting the long-term, continuous, and high-intensity operational demands of heavy-duty equipment, thereby significantly enhancing the smoothness of daily operations and construction efficiency.

 

Designed to withstand users’ complex and harsh daily operating environments, the Motor Orbital OMS 400 combines high stability with exceptional durability, making it suitable for heavy-duty, all-weather conditions. Most heavy-duty equipment operates year-round in environments such as construction sites, mining areas, and farm fields—where dust levels are high, vibrations are intense, and load fluctuations are significant—placing extremely high demands on the motor’s pressure resistance and impact resistance. This motor features a reinforced housing and a high-strength bearing structure, enabling it to withstand high operating pressures and lateral forces. It effectively resists wear and tear caused by operational vibrations and load impacts, minimizing issues such as internal loosening or excessive wear. Additionally, it is equipped with an upgraded sealing system that offers excellent resistance to leakage and contamination. During daily heavy-duty operations, it is unlikely to experience oil leaks or pressure drops, resulting in an extremely low failure rate. This eliminates the need for frequent shutdowns for maintenance, effectively reducing users’ operational and maintenance time and costs. Hanjiu strictly controls the raw materials and assembly precision of the OMS 400. Every unit undergoes heavy-load pressure testing before leaving the factory to ensure stable load-bearing performance immediately upon installation, making it suitable for users’ high-intensity daily operations.

 

In terms of compatibility and operating costs—key concerns for users—the Motor Orbital OMS 400 offers exceptional versatility and value for money, making it compatible with a wide range of heavy-duty equipment, both new and old. The product features internationally standardized flanges, output shafts, and hydraulic port specifications, ensuring excellent interchangeability. Users can install it directly during routine equipment maintenance, replacement, or as part of new machinery without modifying the equipment’s structure, saving time and effort while enabling a quick return to operation. Its stable power output design minimizes energy loss in the hydraulic system, resulting in lower energy consumption during long-term heavy-duty operations. Compared to standard small-displacement motors, it not only delivers greater power but also offers superior energy efficiency and stability over the long term. Focusing on users’ practical needs, Hanjiu has optimized the OMS 400’s structural design to balance heavy-duty performance with ease of maintenance. With its simple structure and interchangeable components, routine maintenance is straightforward, further reducing users’ long-term operating costs.

 

As a manufacturer specializing in the production of cycloidal hydraulic motors, Hanjiu has always focused on the real-world operating scenarios of heavy-duty equipment users, continuously iterating and optimizing the torque performance and operational adaptability of the Motor Orbital OMS 400. Leveraging mature production processes and a comprehensive quality control system, we are fully committed to developing high-torque, highly stable, and durable heavy-duty hydraulic motors that comprehensively address user pain points such as lack of power under heavy loads, frequent malfunctions, and low efficiency. Additionally, Hanjiu offers 24-hour professional technical support, providing users with one-stop services including model selection and matching, installation and commissioning, and troubleshooting to ensure stable equipment operation throughout the entire process. If your heavy-duty equipment suffers from insufficient power or struggles under load, and you wish to upgrade to a high-performance motor, please visit Hanjiu’s official website to review the detailed specifications of the Motor Orbital OMS 400 and obtain a customized solution for your heavy-duty equipment.

 

 

 

oms orbital motor diagram

oms flange motor diagram

orbital motor curve chart

oms motor diagram

oms torque chart

oms orbital motor curve

oms motor specs

oms torque specs

     

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