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Enerpac W4000PX Pro Series Swivel Low Profile Torque Wrench Drive Unit

The W4000PX Low-profile hydraulic torque wrench has a maximum torque output of 4,175 ft-lb and superior strength to size ratio that provides easy access to difficult to reach applications without sacrificing endurance.

Hydraulic torque wrench drive units are used in combination with the W-Series Hex Cassettes. The Pro Series Swivel features tilt and swivel technology providing 360° X-axis rotation and 160° Y-axis rotation.

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Nominal Torque Rated At 10,000 psi (690 bar)
Maximum Torque Output  4,175 ft-lb. (5,661 N-m)
Minimum Torque Rated At 1000 psi (69 bar)
Minimum Torque  417 ft-lb. (566 N-m)
Hexagon Range (in) 1-5/16″ to 3-3/8″
Hexagon Range (mm) 36 – 85 mm
Weight  4.44 lb.
  • Fitted with the TSP swivel X-Edition hexagon hydraulic torque wrenches set a new standard in safety, simplicity and performance
  • Superior strength to size ratio provides easy access to difficult to reach applications without sacrificing endurance
  • 30° rotation angle and rapid return stroke provide fast operation
  • Tough manifold design with added safety feature for enhanced operator safety
  • Fast release drive unit enables rapid exchange of cassettes, no tools required
  • Quick and easy disassembly for maintenance without special tools
  • Includes robust handles which mount on both sides, and the tops of cassettes to allow for extra maneuverability
  • Available with optional enhanced tilt and swivel TSP300 manifold for horizontal and vertical maneuverability, with greater durability
  • X-Edition drive units, cassettes and most accessories are compatible with standard edition tools.
  • Drive unit compatible with UltraSlim and WCR-Series cassettes
  • Constant torque output provides accuracy of ± 3% across full stroke

W4000PX Drive Unit Cassettes (available to purchase)

Model Number Cassette Size* Heavy-Hex Bolt Diameter
W4107 1-7/16″ 7/8″
W4110 1-5/8″ 1″
W4113 1-13/16″ 1-1/8″
W4200 2″ 1-1/4″
W4203 2-3/16″ 1-3/8″
W4206 2-3/8″ 1-1/2″
W4211 2-3/4″ 1-3/4″
W4302 3-1/8″ 2″

*Additional cassette sizes are available to purchase

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  • GWY has been a great company to work with. My company requires receipts for all credit card purchases and GWY has made this very easy. With rental equipment this usually isn't the easiest to deal with but they have made this process very smooth. I get a weekly receipt emailed to me without having to ask for it. They also have great customer service and are very helpful and friendly. Would definitely recommend.”

  • GWY’s parts inventory and response is top notch. You can expect prompt, respectful, knowledgeable answers to questions and full cooperation when you need it. Truly a mark of a reputable company with a good team.”


Is there a warranty on your tools?

1-year manufacturers defect warranty on new tools.

What is the lead time on getting this tool to me?

If we have it in stock, we can send it next day air within the US to get to you tomorrow.

Does the tool come with anything?

All of our tools come with a case.  Our Turn-of-Nut & Shear Wrenches come with the one size socket and a metal case.  The cordless tools come with one or two batteries, a charger, and a case.

Do you sell tools outside the country?

Yes, we provide tools all over the world.