Brief Introduction
WSM Swing Motor is an axial piston motor and planetary gearbox combination for Swing application. There are built-in parking brake, relief valve and anti-reverse valve for safety operation. It is widely used as a Swing Drive for hydraulic excavators.
| Model |
Max Working Pressure |
Max. Output Torque |
Max. Output Speed |
Application |
| WSM-151 |
25 MPa |
1100 N.m |
110 rpm |
20-23 Ton |
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Our Advantages
✓More than 30 years in Fluid Power industry.
✓Improved structure based on famous brands.
✓OEM Motor supplier in China domestic machinery manufactures.
✓Parts are precisionly machined Automatic Producing Line.
✓Real testing for every motors before packing.
✓One full year warranty.
✓Professional international service team to help you.
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Key Features
●Compact design with small volume.
●High efficiency Piston Motor.
●Precision inside gear parts.
●Smooth transmission and low noise.
●Excellent performance and long durability.
●Integrated with Relief Valve and Parking Brake.
●With Counterbalance Valve.
Technical Specifications
| Model |
WSM-151 |
| Input Flow |
225 L/min |
| Displacement |
151 ml/r |
| Max Working Pressure |
25 MPa |
| Gear Ratio |
17 |
| Theoretical Output Torque |
11000 N.m |
| Theoretical Output Speed |
110 r/min |
| Weight |
240 kg |
| Application |
20~23 Ton Excavators |
Frequently Asked Questions (FAQ)
What applications are WSM Swing Motors suitable for?
WSM Swing Motors are specifically designed for hydraulic excavators, typically ranging from 20 to 23 tons, serving as a reliable swing drive solution.
Does the swing motor include integrated safety valves?
Yes, the motor is integrated with a relief valve, a parking brake, and a counterbalance valve to ensure smooth and safe operation during excavator swing movements.
Is the WSM-151 compatible with other international brands?
Yes, the specifications and dimensions of the WSM-151 are designed to be identical to the Eaton JMF Slew Drive, making it an excellent replacement or alternative.
What kind of quality assurance do you provide?
Every motor undergoes real-world testing before packing. Additionally, our parts are precision-machined on automatic production lines to ensure long-term durability.
What is the warranty period for the WSM Swing Motor?
We provide a one full year warranty on all our swing motors, backed by over 30 years of industry experience in fluid power.
Can the flange pattern be customized?
Yes, we can provide customized flange patterns according to your specific machinery requirements.
Weitai Hydraulic
