OMR High Power Small Volume Hydraulic Travel Motor For Mini Excavators
OMR High Power Small Volume Hydraulic Travel Motor for Mini Excavators
Core Parameters and Specifications

| Product Name | Hydraulic Gear Motors |
| Displacement | 50cc,80cc,100cc,125cc,160cc......500cc |
| Applications | Agricultural Machine, Transportation, Construction Equipment, Metallurgical, Marine, Etc. |
| Replacement | Hanjiu BMR = OMR, Eaton S,T Series , M+S MR Etc |
| Oil Temperature | Normal-35℃-80℃ |
| Highlight | lightweight hydraulic motor, omr hydraulic motor |
Product Overview
The OMR high-power, small-volume traveling hydraulic motor is a dedicated traveling drive motor specially designed for the harsh space and performance requirements of mini excavators. It adopts an optimized hydromechanical design, achieving ultra-high power density and reliable torque output within an extremely compact overall size. It is intended to provide strong, stable, and efficient traveling driving force for 1-8 ton mini excavators, and is a key component for improving the equipment's passability, maneuverability, and operational efficiency.
Core Design Features and Advantages
1. Excellent power density:
- Small size, large torque: Through the two-stage design of "high-speed hydraulic motor + integrated planetary reducer", hydraulic energy is first converted into high-speed, low-torque mechanical energy, which is then significantly increased in torque by the reducer. This enables the motor to output huge traction force sufficient to drive the entire machine forward, backward, and climb slopes, even within the extremely limited installation space of the micro excavator's chassis.
2. Highly integrated and compact design:
- "Three-in-one" or "multi-in-one" integration: The hydraulic motor, reducer, and mechanical brake are usually integrated into a compact housing. This design greatly simplifies the installation process for the host factory, saves chassis space, and improves system reliability.
- Optimized layout for micro excavators: The external dimensions and interfaces are specifically matched to the walking frame design of mainstream micro excavators, enabling seamless installation.
3. Reliable walking performance and safety:
- Integrated safety braking: The built-in normally closed mechanical brake can automatically lock the motor when the engine is turned off or hydraulic pressure is lost, preventing the equipment from sliding down slopes and ensuring safety.
- Smooth start-stop and speed change: Excellent low-speed stability and control performance allow the micro excavator to achieve precise micro-motion control, facilitating positioning on narrow construction sites.
- Strong environmental adaptability: It has good sealing performance and can resist the impact of mud, water, and gravel commonly encountered during excavator operations.
Typical application fields
• Main application: Specifically provides drive for the left and right traveling mechanisms of 1-ton to 8-ton (micro to small) crawler excavators.
• Extended applications: Can also be used in other small crawler equipment with strict requirements on the size and power density of the drive unit, such as:
◦ Small rotary drilling rigs
◦ Mini cranes
◦ Compact loaders


Factory Environment

Product Application

Packing & Delivery



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