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Staffa HMC Series Motor | Antech Hydraulics

Staffa HMC Series

The HMC Series Motors has 7 frame sizes ranging from HMC030 through to the HMC325 and have a choice of displacements for the high and low range.Output torques are available from 2.8 Nm/Bar to 172 Nm/Bar Staffa motors are renowned for the excellent reliability. If properly maintained, not subjected to loads or stresses beyond their capability, and used with clean hydraulic oil, Staffa motors have been known to last over 25 years in service.

Main Features

  • High Torque Low Speed.
  • Smooth Running
  • Displacement changes with ease when motor is running.
  • Electro-Hydraulic or Hydro-Mechanical control methods available.
  • Speed Sensing Options.
  • Other mounting options are available on request to match many of the competitors interfaces.

Bearing Life:

Consideration should be given to the required motor bearing life in terms of bearing service life. The factors that will determine these include:

  • Duty cycle – Time spent on and off load.
  • Speed.
  • Differential Pressure.
  • Fluid Viscosity, type, cleanliness and temperature.
  • External radial shaft load
  • External axial shaft load


Freewheeling Notes:

All staffa motors can be used in freewheeling applications.

In all circumstances it is essential that the motor is unloaded and that the circuit is boosted. The required boost pressure is dependant on both the speed and displacement conditions of the motor determined by the maximum overrunning load condition.

For more information on freewheeling application please see the HMC Series Data Sheet and refer to page 24

Need Help?

For further information on selecting the right Staffa Motor for your needs, or to request a quotation, please contact us by phone or email and we’ll be pleased to assist.

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If you have any questions about our products or would like to arrange a free site survey then please get in touch.
HMB Series Data Sheet

HMC Series Data Sheet

Please refer to 1-1 (page 3) for the full ordering code page.

We thank ANTECH-Hydraulics for providing excellent service support to our company under Staffa Hydraulic Motor & spare parts. Your timely offer, professional knowledge and good service are much appreciated. We are confident that our bonds of cooperation would become stronger day by day.

Cathy Deng

Buyer, HM Machinery Suppliers Ltd