Hydroblaster 5/3000GHOTT-AWS Aircraft Wash System

Part #: 5/3000GHOTT-AWS
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The Hydroblaster 5/3000GHOTT-AWS (NSN 4940-01-558-9744, GSA CONTRACT: GS-07F-0217Y) is a fully self-contained portable cleaning system is designed for aircraft wash and flight line or ground support decontamination and cleaning. The system has a capacity of 525 gallons of water, 60 gallons of soap, with a high-pressure delivery system and an auxiliary soap delivery system. Desert Tan is standard but a number of other colors are available.


  • 3-cylinder Tier IV emission compliant water-cooled diesel engine with 8 gallons non-corrosive fuel tank.
  • Low engine operating speed reduces noise and extends service life.
  • Solid base plate mounted on 3/8” plate steel.
  • 12-volt electric starting system with keyless operating switch.
  • Spiral cell absorbed glass mat battery
  • 20 amp charging system providing power to the engine, battery and burner system


  • 5 GPM rating
  • Dual gun operation with operator controlled variable pressure wands
  • Industrial triplex ceramic plunger pump
  • Oil level eye and dipstick for maintenance
  • Belt drive


  • Horizontal fired full stainless steel housing
  • 12-volt burner system (no separate generator used to power the burner)
  • 440,000 BTU (maximum input at sea level). The system is set to not exceed 150 degrees F
  • On-demand auto ignition and flame monitor
  • Forced combustion air system with a fuel solenoid control valve and fuel filter with replaceable cartridge
  • Temperature high limit switch
  • Burner thermostat control assures constant temperatures
  • Built-in non-corrosive 12-gallon fuel oil tank
  • Schedule 80 steel coil


  • Control panel includes; engine start/stop, adjustable water temperature control, and hour meter
  • Fully hinged lockable steel enclosure features; insulated for excellent sound control, full access for service
  • while providing equipment security
  • Crossflow air ducting into and out of locking enclosure cools components to manufactures specifications
  • Pressure safety relief valve
  • High-pressure rupture disk
  • Pump thermal monitoring
  • Unloader valve


  • Fully integrated design, not a unit with a tank bolted to a trailer
  • Electric trailer brakes standard on the front and rear axle
  • Manual park brake, lever controller
  • Flow and/or pressure switches
  • Pump high-temperature thermal relief valve
  • Flow or pressure-actuated unloader valve
  • 2 each trigger shut-off guns with variable pressure wands.
  • Overpressure relief valve
  • Safety burst disk
  • Authorized by AGSE for use on the following U.S. Army aircraft; UH-60, AH-64, OH.58, CH-47

Integrated Trailer

  • Constructed of 3, 4 and 6-inch steel “C” channel
  • Dual 3500 LB. axles for 7000 GVW
  • Extended leaf springs for a soft ride
  • Lunette eye hitch, with adjustable hitch heights
  • Full-size spare tire and wheel
  • 525 gallon UV protected poly water tank integrated and mounted on 6” channel iron frame
  • Drain valves on all tanks
  • 2 each 30-gallon soap tanks mounted on 6” channel integrated into trailer
  • 4 each hose reels. Two for high-pressure hose, one for inlet hose, and one for auxiliary soap application

Spray System

  • 2 each 100’ 3/8 inch high-pressure hoses mounted on hose reels
  • 100’ 5/8” rubber inlet water hose mounted on the hose reel
  • 100’ 3/8” soap application hose mounted on the hose reel
  • Variable pressure control at the wand with 40-degree nozzles
General Information
Part #5/3000GHOTT-AWS
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