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Enerpac ZU4204BB-Q Hydraulic Torque Wrench Pump

The Classic Hydraulic Torque Wrench Pump has an analog gauge and traditional electro-mechanical components including transformers, relays and switches, and delivers durable, safe and efficient hydraulic power.

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Business Hours: 8am - 5pm Est

Product Details

  • Patented Z-Class pump technology provides high by-pass pressures for increased productivity
  • Enerpac ZU4 Hydraulic Pumps are built to power small to large torque wrenches
  • Features Z-Class high-efficiency pump design; higher oil flow and bypass pressure, cooler running and requires 18% less current draw than comparable pumps
  • Powerful 1.7 hp universal electric motor provides high power-to-weight ratio and excellent low-voltage operating characteristics
  • High strength, molded composite shroud protects motor and electrical components, while providing an ergonomic, non-conductive handle for easy transport
  • Low-voltage pendant provides additional safety for the operator
  • Valve technology reduces oil operating temperatures and withstands contaminants to increase pump reliability
  • Factory installed 10,000 coupler for use with S- and W-Series or other wrenches
  • Classic Electric Torque Wrench Pump:
    • Delivers durable, safe and efficient hydraulic power
    • Has an analog gauge and traditional electro-mechanical components including transformers, relays and switches
    • Basic electrical package includes mechanical contactor, ON/OFF toggle switch, pendant with electro-mechanical pushbuttons, 24V transformer timer and operator accessible circuit breaker


Model Enerpac ZU4204BB-Q
Maximum Operating Pressure 10,000 psi
Torque Wrenches Compatibility For use with any brand hydraulic torque wrenches
Reservoir Capacity 277 in3
Usable Oil Capacity 1 gallon
Maximum Flow at Rated Pressure 60 in3/min
Output Flow Rate 100 psi 700 in3/min
Output Flow Rate 700 psi 535 in3/min
Output Flow Rate 5000 psi 76 in3/min
Output Flow Rate 10000 psi
60 in3/min
Motor Size 1.7 hp
Motor Hertz 50/60 Hz
Motor Phases 1 Ph
Motor Voltage 115 V
Duty Cycle Intermittent
Valve Operation Solenoid
Valve Type 4-way, 2-position
Power Source Electric
Pump Control Pendant
Motor Electrical Specification 115 V, 1 Ph, 50/60 Hz
Weight 73 lb.

Available Accessories

  • Roll Cage
  • Skid Bar
  • 4-Wrench Manifold
  • Twin Torque Wrench Hose in 19.5′ & 39′


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Kind words from our customers:

  • It was a great pleasure working with GWY. They go above and beyond to help with what we needed. Don was very quick on getting what we needed out to us to complete the job. Very proud to be a GWY customer.”

  • From choosing the right equipment for each job’s unique requirements to problem solving in the field, GWY is always willing to go out of the way to find a solution. Mix that customer service in with their technical expertise and easy-to-use tools, they really help make bolt up easy.”


Do you sell tools outside the country?

Yes, we provide tools all over the world.

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.

Is there a warranty on your tools?

1-year manufacturers defect warranty on new tools.

Where are you located?

217 Forest Rd Greenfield, NH 03047