Hi-Vac O’Brian 3500 Series Water Jetters


You’ll be amazed at how much power the O’Brien 3500 series delivers in a compact package.

The single-axle trailer provides impressive maneuverability in a lightweight design while providing pressure capabilities up to 4000 psi and flow ranges from 10 to 40 GPM.

Why the 3500 series?

The O’Brien 3500 series was created to meet the diverse challenges of residential and commercial jobs. Carefully designed for the optimum balance of maneuverability and capability, the 3500 series has the water supply and pressure to take on tough, everyday projects with single-axle flexibility and efficiency.


Kohler Diesel Engine

Tier 4 Final, U.S. made, diesel engine is quieter, has more torque, and lasts longer.

Rugged Frame Design And Axle

Ideally suited for heavy-duty applications

Rotating Hose Reel (190º)

Hydraulically-driven hose reel allows for easy access to the manhole regardless of position of trailer

Steel Shrouded Engine/Pump Compartment

Keyed access doors provide protection for the engine and water pump while also providing an area for ample tool storage

Water Tank

Tough polyethylene tank stands up to harsh weather and is backed by a lifetime warranty

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Municipal Equipment, Inc. is an authorized Hi-Vac reseller.