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MA180W01-321036 Hydraulic Motor
The MA180W01-321036 is a swash plate axial piston fixed-displacement hydraulic motor designed for medium-to-large construction machinery. Often integrated with planetary reducers and mechanical parking brakes, it delivers high torque and stable operation. Rated pressure is 31.5 MPa, with a peak output torque of 3210 N·m. It is primarily suited for 20–28 t tracked excavators and equivalent tracked machinery, offering high-pressure stability, low-speed torque, efficient operation, and reliable safety - making it a high-performance, mature choice for medium-to-large excavator travel drive systems.
Key Features
Swashplate Piston Structure – Efficient & Stable Output
40° inclined-axis piston design ensures high-pressure stable torque. Fixed-displacement design maintains consistent output speed and torque, ideal for applications where stable drive power is critical for medium-to-large equipment.
High-Pressure Capability – Strong Torque Output
Rated at 31.5 MPa, it withstands high load impacts. Delivers a peak torque of 3210 N·m at low speed, meeting the demands of heavy starts, slope climbing, and soft or muddy ground operations for 20–28 t machinery.
Integrated Design – Easy Installation & Maintenance
Can be combined with planetary reducers and parking brakes into a compact unit. SAE-standard interfaces and modular design allow easy installation, maintenance, and parts replacement, reducing downtime and cost.
Multiple Protections – Safe & Reliable Operation
Internal balance valves and overload relief valves buffer pressure spikes during start, reverse, or braking. Equipped with a spring-applied, hydraulically released parking brake that locks automatically when the machine stops and releases on pilot pressure.
Heavy-Duty & Durable – Built for Harsh Conditions
Planetary gears, main bearings, and other key components are made of wear-resistant materials and precision-treated for high impact, wear,and fatigue resistance. Reinforced seals maintain long-term performance in dusty, vibrating, and temperature-variable conditions.
Wide Compatibility – Interchangeable & Cost-Effective
Industry-standard mounting interfaces allow direct replacement with other motors of similar tonnage. Mature global production ensures parts availability, maintenance expertise, and controlled service costs.



Core Advantages
|
Advantage |
Description |
|
Wide Workload Adaptability |
3210 N·m peak torque at 31.5 MPa provides sufficient power for 20–28 t tracked equipment under challenging terrain and operational conditions. |
|
Stable Power Output |
Fixed-displacement design ensures consistent speed and torque, improving efficiency in applications requiring uniform drive power. |
|
Comprehensive Safety |
Mechanical parking brake plus hydraulic overload protection reduces the risk of slope slip and uncontrolled movement, safeguarding both machine and operator. |
|
High Reliability & Longevity |
Heavy-duty construction and premium components ensure long-term stability under high-intensity work, reducing downtime and lifecycle costs. |
|
Interchangeable & Low Maintenance Cost |
Standardized mounting allows easy replacement and upgrades; parts are widely available, keeping service and maintenance costs low. |



Applications
Designed for 20–28 t tracked excavators' travel drive systems, also suitable for tracked drills, mid-sized crawler loaders, medium crawler cranes, and mining tracked vehicles. Ideal for earthmoving, municipal construction, mining, and hydraulic infrastructure projects with medium-to-heavy loads, continuous high-intensity work, and complex operating conditions. This model is a preferred choice for medium-to-large tracked machine travel drive systems.
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