Harrison Hydra-Gen is a USA based leading global manufacturer of quality CUSTOM hydraulic generators dedicated to manufacturing Hydraulic Generators of the highest quality since 1969. “The most reliable hydraulic generators on the market today, THE #1 Generator in the Fire & Rescue, OIl & Gas, Aerial Work Platform and Paving Industries.”


Are you tired of broken down gas or diesel generators costing you downtime?  In a word, you NEED hydraulic generators.  Hydraulic generators have a product life expectancy of over 20+ years plus a positive impact on our global environment.   Because of this, the return on your investment is easy to see!

Hydraulic generators provide many advantages over the traditional Diesel, Gas or PTO driven products.  For one thing, they can be operated while in a stationary mode and in a mobile mode.  In the long run, this is a BIG advantage over the other traditional forms of power for your FLEET!


What separates Harrison from the competition?  We have been “PROVEN UNDER PRESSURE” since 1969 in industries where loss of life or loss of lively-hood results. There is no secret to our longevity and success; it is our commitment to quality. We were the first Hydraulic Generator builder; let our experience work for you! Harrison simply has one goal in mind; quality, service & dependability…guaranteed.

“I just wanted to say thank you for helping us with our stock E-line truck program. We just finished a photo shoot for marketing, and I thought you would like to see what you helped with!”

Eclipse Wireline

Joel Johnson – Design/Material Manager

“I’ve relied on Harrison hydraulic generators for years in our Fire and First Responder trucks. Now we’ve implemented the same hydraulic generators we’ve grown to trust in our utility fleet!”

City of Napa, California

Chris Burgeson – Fleet Manager

“The first-class Engineering team at Harrison Hydra-Gen is fantastic to work with. The generators were easy to retrofit and install in our existing trucks!”

Garland Power & Light Texas

Josh Graham – Fleet Operations


Optimized to work with LED lights

Do you need mobile AC power to compliment your LED lighting package?  Then you need the Stinger hydraulic generator. Plus, it provides a variety of ratings when 6,000 watts or less are required. 

Coupled with the smallest footprint on the market today, the Stinger is perfect to be used with LED lights.  Never be without a generator at the most critical times again!


Short Bed Brush Kit Starter Package 

The Harrison Hydra-Skid Short-Bed Brush Kit harnesses the power of the Harrison IHT-HQ system to deliver an incredibly compact package for powering up your 150 gpm water pumps in stationary or in TRUE NFPA “Pump & Roll conditions.  Simplified operation is achieved at any speed with the flick of a switch. The Harrison Hydra-Skid Short-Bed Brush Kit also makes for the most compact apparatus imaginable!

  • 10% shorter wheel base
  • 20% shorter box length
  • 20% lower chassis cost
  • 25% more water capacity


Add portable power to your work truck or tractor

The Portable Hydraulic Generator is the only hydraulically driven, portable AC generator on the market.  It utilizes the “Auxiliary Tool Circuit” on your equipment and only requires 6-8 GPM, like most other hydraulically driven tools; plug and play simplicity.

  • 50% smaller
  • 50% lighter
  • 50% quieter
  • 50% less expensive


You depend on your tools and equipment to help you do the job right the first time, and enable you to keep your word. That’s not something we take lightly.  We let our product speak for itself; almost 50-years of continued business in the most demanding environments.


Harrison’s world headquarters is in an all-new 45,000 sq. Ft. Manufacturing facility in Houston, TX.  This new facility was designed and constructed to allow Harrison to use the “best-in-practice” processes and procedures to exceed our customers’ expectations.


Every Harrison hydraulic generator goes through the most advanced computerized testing, with documentation of the test results provided with each product. Customized or off-the-shelf, all Harrison hydraulic generators are tested to the same standards.