X4 Indexing Actuator

X4 indexing actuator
X4 Indexing Actuator


The X4 is our largest single rack indexing actuator, delivering almost 3.5 inch-pounds of torque per psi of working pressure. This unique device indexes with very high accuracy and no accumulating error. It is ideal for use in index tables, conveyors, or to consistently position parts evenly for multiple simultaneous operations. The X4 is rugged, fast, simple to operate, and very reliable.


  • Bore Size = 2"
  • Standard Rotations = From 12 (30 steps/rev.) to 360 (1 step/rev.)
  • Shaft Sizes = Standard: .1.000" dia., Options: D 1.000" dia.
  • Torque at 60 psi = 238 in-lbs.
  • Ball Bearing Ratings = Radial: 1,160 lbs., Axial: 290 lbs.
  • Port Size = 1/4 NPT
  • Available Options:
    • Cushions
    • Flow Controls
    • Heavy Duty (Aluminum Cylinders, Option A or Steel Cylinders, Option K)
    • Washdown Protection
    • Mount Plates
    • Magnetic Switches Installed & Tested Prior To Shipping
    • Bumpers
    • Hydraulic Service Seals
    • Fluorocarbon Seals
    • Fluorocarbon Hydraulic Service Seals

See the X4 Indexing Actuator Part Number page for detailed configuration and option information.

For double the torque, see the X42 Indexing Actuator.

If you don't need accurate positioning, consider the S4 Stepping Actuator.

Compare All Single Rack Indexing Actuators



  • Simple operation; requires only a four-way valve
  • Available with 1 to 301 uniform steps or special combination of steps
  • Keyed 1" diameter solid shaft or hollow on special order
  • Optional seamlessly integrated washdown protection
  • Optional magnetic switches to indicate indexer state
  • Optional bumper (on reset only), flow controls, cushions2

1Twelve degree (30 steps) unit recommended for relatively light loads only.

2Cushion on drive requires shaft/load to have some drag to properly affect load. Cushion on reset will NOT affect load.

 Use our online configurator for the X4 indexer.

Find a distributor for Rotomation in your area.

Have questions?  Call us at 386-676-6377 or click.