Heavy Duty Clutch Mechanisms with Adapters

Heavy Duty Clutch Mechanisms with Adapters


  • Friction type heavy duty clutch mechanism engages with air pressure, spring released when air is exhausted
  • Torque is linear in response to air pressure applied


  • Through/Mid Shaft or End of Shaft
  • Heavy duty clutch mechanism slides on shaft and is fixed with set screws and a customer supplied key
  • Adapter connects to a fully supported, bearing mounted pulley, gear or sprocket
  • Anti-rotation arm required to prevent rotation of the air housing
  • Heavy duty clutch mechanisms are designed for horizontal mounting. If vertical mounting is required, consult engineering for options
  • Note: Heavy Duty Clutch Mechanism DOES NOT support Adapter


  • Heavy duty clutch mechanisms are suitable for cycling applications connecting and disconnecting two fully supported shafts
  • Maximum RPM varies by model. Please consult the detail sheets (below). Consult engineering if the intended application exceeds the listed maximum RPM.

Design Features

  • Heavy duty clutches are bored to suit up to the maximum shown (US & Metric) for easy installation
  • Splined drive and toothed friction discs for heavy duty service
  • Machined face and bolt circle on adapter facilitate connection to a bearing mounted pulley or gear
  • Available with either high or low* coefficient friction linings for same price 

MACH III Products