Uni-Lift Mechanical Actuators

Enerpac’s line of Uni-lift® mechanical actuators has set a new standard for linear motion control. Improving on the time-tested concept of converting rotary movement into linear motion, the Uni-Lift actuator series is ideal for a variety of challenging screw jack applications such as satellite dish positioning, solar panel tracking as well as moving heavy equipment.

M-Series Machine Screw Actuators

  • Capacity: .25-50 tons
  • Maximum travel: 232 inches
  • Maximum speed: 129 in/min
  • Self locking – No cribbing required when actuator is subjected to minimal vibration
  • Precision Rolled Acme Thread allows positioning within thousandths of an inch
  • Hardened Gear Set allows higher efficiency and longer life
  • Precision Gears allow synchronized lifting in multi-actuator systems
  • Rugged housings made of Cast Aluminum Alloy (MA models) or Ductile Iron to safely mount to a variety of structures

B-Series Ball Screw Actuators

  • Capacity: 1-100 tons
  • Maximum travel: 230 inches
  • Maximum speed: 175 in/min
  • Ideal for high speeds and continuous cycle applications
  • Ball screw design allows for reduced horsepower requirements
  • Reduced friction provides extended service life and lower operating costs
  • Integrated ball bearing design reduces operating temperatures
  • Precision screw lead offers exact positioning for multiple Actuator systems


  • Hand wheels
  • Motors and motor adapters
  • Worm gear reducers
  • Couplers
  • Shafting
  • Screw end adapters
  • Limit switches
  • Boots