A42 Rotary Actuator  

With over 60 times more torque capacity than our A032 rotary actuator, the A42 is our largest rotary actuator. Its tie rod construction provides for a virtually unlimited number of possible combinations of standard, readily available options that could be installed either on the top or bottom cylinders as needed. With oversized ball bearings and a one-piece, heat-treated alloy steel pinion shaft, this extremely rugged, versatile actuator is an excellent choice for demanding medium to large applications.

The A42 is our biggest rotary actuator and it features a one-piece heat-treated alloy steel pinion shaft, two racks for zero backlash at end of stroke, and billions of flexible standard configurations


  • Billions of possible configurations at your fingertips
  • Various rotation angles to choose from, up to 730 degrees or special
  • Select between 1" or 1-1/8" diameter solid shaft, or 3/4" I.D. hollow
  • Optional magnetic switches in various configurations
  • Optional rotation adjusters, bumpers, flow controls, cushions

Do not hesitate to contact us if you need help generating a valid part number or have questions about this product. Click on the button below to send us your question(s); or call us at (386) 676-6377 if you wish to speak to an engineer or sales associate directly. We will be glad to assist!

Delivering engineered solutions since 1967.
Rotomation is dedicated to providing reliable, extremely configurable, and fully rebuildable pneumatic actuators for automation. Custom and special actuators are our specialty.
Proudly Made in the USA!

Call Us: (386) 676-6377
Email Us:
11 Sunshine Blvd, Ormond Beach, FL 32174