Custom Fluidpower's Hydraulic Motors with High Mechanical and Volumetric Efficiencies


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SAI Radial Piston, Crank Shaft Hydraulic Motors

Machinery in agricultural and forestry applications can often come under high stress. Hydraulic motors suffer from friction, excessive heat generation and cavitation.

Save Fuel with Crank Shaft Hydraulic Motors 
The range of high efficiency SAI Radial Piston, Crank Shaft Hydraulic Motors are designed and manufactured to prevent and overcome these issues. This saves fuel every day of operation, delivering industry best power to weight ratio.

  • SAI crank shaft motors have a high starting torque (>95%)
  • Wide speed range freewheeling functionality
  • SAI hydraulic motors can be driven at higher speeds than under normal working conditions as they are designed to operate in ‘vacuum freewheeling’
  • SAI crank shaft hydraulic motors have very high volumetric efficiencies in all operating conditions, typically 99%
  • The seal design used throughout the motor ensures that the volumetric efficiency is not affected if components get worn with use
Hydraulic Motors creating Lower Heat Generation Levels
The SAI Radial Piston, Crank Shaft Hydraulic Motors features smaller components to achieve:

  • High performance levels
  • Less friction
  • Less heat generated
  • Smaller cooling systems required
  • Lower stress levels in the components
  • Higher reliability

SAI crank shaft motors can run in full cavitation (controlled circumstances) due to the oil inside the motor case. This guarantees the lubrication of the internal moving components, minimising the power absorption and thus the heat generation while operating in freewheeling mode.

Many SAI radial piston motors by Custom Fluidpower are available ex stock for applications in agricultural and forestry machinery drives.

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