Aluminum Water Blaster ALWB60828 49-State4200 PSI at 4.0 GPM HONDA® GX390 with CAT PUMPS® Triplex Pump Cold Water Professional Belt Drive Gas Pressure Washer


Designed to meet the rigorous demands of the cleaning professional, the SIMPSON® Aluminum Water Blaster series frame is crafted of aircraft-grade aluminum, making it lighter in weight than most steel frame pressure washer designs. Perfect for contractors who specialize in deck cleaning, wood restoration, paint preparation, graffiti removal, and all other professional cleaning services. The SIMPSON Aluminum Water Blaster series designed for optimum performance in the harshest environments. Equipped with a premium (49-State compliant)  HONDA® engine and a reliable CAT PUMP®.

2 in stock


  • HONDA® GX390 engine with a low oil shutdown feature (49-state compliant)
  • Reliable CAT PUMPS® triplex plunger pump
  • Steel-braided Monster Hose 3/8 in. x 50 ft. kink and abrasion resistant hose with quick connect fittings and polyurethane outer jacket
  • Aircraft-grade aluminum frame is lighter in weight than most steel frame designs
  • 13 in. Premium pneumatic tires for ease of maneuverability across various terrain
  • 5 Quick connect nozzle tips: 0°, 15°, 25°, 40° and soap to use for a variety of cleaning applications
  • 48 in. Insulated grip lance for operator comfort and control
  • Fuel tank capacity: 6.4 quarts (1.6 gallons)
  • Unit Dimensions: L: 46” x W: 26” x H: 25”
  • Unit Weight: 169 lbs
  • The actual product may vary slightly from product images
  • **Does not ship to California**


  • Power Type: Gasoline
  • Drive Type: Belt
  • PSI: 4200
  • GPM: 4
  • Pump Type: CAT PUMPS Triplex
  • Pump Brand: CAT
  • Engine Brand: HONDA (49-state compliant)
  • Pump: CAT PUMPS® triplex
  • Hose: Steel-braided Monster 3/8 in. x 50 ft.
  • Gun: “3/8” QC Connection
  • Wand: QC spray lance
  • Nozzles: 5 Quick connect nozzle tips: 0°, 15°, 25°, 40° and soap
  • Frame: Aircraft grade aluminum frame w/ brushed extruded aluminum tubing
  • Tires: 13 in. Premium pneumatic
  • Series: Aluminum Water Blaster



ALWB60828 Specification Sheet


  • 3 Year limited commercial engine warranty
  • 5 Year limited commercial pump warranty
  • 10 Year limited commercial frame warranty
  • 90 Day limited accessory warranty