Skid Steer Drive Motor
Skid steer loaders require hydraulic drive motors that can provide high torque at low speed, handle frequent forward and reverse operation, and fit within compact installation spaces. LSHT orbital motors, including Geroler-based designs, are one option for these traction applications. Motor selection should consider displacement, flow, pressure, speed, torque, mounting dimensions, shaft and bearing requirements. The right hydraulic drive motor for skid steer loaders should be selected according to the complete hydraulic system and machine requirements, rather than displacement alone.
- Product Introduction
Skid steer loaders are designed to work in tight spaces. Unlike a conventional loader, a skid steer changes direction by controlling the movement of the left and right sides independently.
The drive system uses hydraulic power to move the machine. Hydraulic pumps supply oil to the drive motors, and the motors provide the rotation needed to drive the wheels or tracks.
When both sides move at a similar speed, the loader travels straight. Changing the speed of one side makes the machine turn. The two sides can also move in opposite directions, allowing the loader to turn within a very small area.
The Role of the Hydraulic Drive Motor
The drive motor works between the hydraulic system and the mechanical drive. It converts hydraulic power into rotary motion, which is then transferred to the wheels or tracks.
The motor may need to start under load, operate at low speed and change direction frequently. The load also changes as the loader moves, turns or carries different materials.
This makes the skid steer drive motor different from a hydraulic motor used for a simple auxiliary function.
Motor performance is related to hydraulic flow, pressure and displacement. The final result also depends on the pump, final drive, machine weight and working conditions.
Why Use an Orbital Hydraulic Motor?
Orbital hydraulic motors are commonly used in mobile hydraulic equipment. Their compact design and high torque at low speed make them suitable for traction applications.
Larger orbital motors are used in propulsion systems, including some skid steer loader applications. Danfoss, for example, lists skid steer loaders among the applications of several of its orbital motor ranges.
For a hydraulic drive motor for skid steer loaders, the motor needs to match the machine's hydraulic and mechanical requirements. Displacement is only one part of the selection.
Motor Selection for Skid Steer Loaders
For a replacement motor, the original motor specifications provide a good starting point. Hydraulic flow, working pressure, speed and displacement should be checked first.
Mounting dimensions, output shaft and port configuration are also important. For a new machine, the expected load, travel speed and working cycle should be considered as well.
A suitable orbital hydraulic motor can provide a compact solution for skid steer traction. The final motor selection should be based on the complete drive system and the actual working conditions.
Conclusion
The drive motor plays an important role in a skid steer loader. Frequent starting, stopping, turning and reversing place different demands on the motor than many general hydraulic applications.
Orbital hydraulic motors are one solution for this type of traction system. With the right displacement and configuration, they can be used for skid steer loaders and other compact mobile equipment.
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