The Simpson Mini Brute MB1518 is a professional 1,500 PSI, 1.8 GPM hot water electric pressure washer built for shops, food-service kitchens, fleet bays, and facility crews that need hot-water cleaning power without a noisy gas engine indoors. Hot water cuts grease, oil, and baked-on grime far faster than cold water, and the electric motor lets you run the Mini Brute in enclosed spaces where engine exhaust is a problem.
Built for these jobs
- Degreasing engines, equipment, and shop floors - heated water lifts oil and grease that cold water leaves behind.
- Food-service and kitchen cleaning - sanitize hoods, mats, and floors with hot water indoors.
- Fleet and equipment washing - cut road film and grime on trucks, trailers, and machinery.
- Indoor and enclosed areas - the electric motor runs where gas engines cannot be used.
Why hot water and the diesel burner matter
A diesel-fired burner raises the incoming water temperature by about 100 degrees F, so the Mini Brute removes grease and oil with less detergent and less scrubbing. A reliable AAA triplex plunger pump with safety relief valve and bypass delivers steady 1,500 PSI at 1.8 GPM, while the 120V heavy-duty induction motor runs on standard shop power. The welded 1-1/2 inch round tubular steel frame with powder-coat finish, 13-inch pneumatic wheels, thermostat control, and hour meter are built for daily commercial use.
Specifications
- Model: Simpson Mini Brute MB1518 (item 60363)
- Pressure / Flow: 1,500 PSI at 1.8 GPM
- Water: Hot water; diesel-fired burner raises temperature about 100 degrees F
- Motor: 120V heavy-duty induction (standard shop power)
- Pump: AAA triplex plunger pump with safety relief valve and bypass
- Burner Fuel: 4.0 gallon diesel tank; thermostat control and burner on/off switch
- Hose: 3/8-inch x 50-foot steel-braided insulated Armor hose
- Wand: 36-inch insulated wand with quick-connect nozzle tips
- Frame: Welded 1-1/2 inch round tubular steel, powder-coated; 13-inch pneumatic wheels; hour meter
Frequently Asked Questions
Why choose a hot water pressure washer over cold water?
Hot water dissolves grease, oil, and fats that cold water only pushes around, so you clean engines, kitchen equipment, and shop floors faster with less detergent. The MB1518's diesel burner raises water temperature about 100 degrees F for that added cleaning power.
Can I use the Mini Brute indoors?
Yes - the 120V electric motor produces no engine exhaust, so the MB1518 is a good fit for kitchens, fleet bays, and other enclosed areas where a gas engine is not allowed. The diesel burner still needs adequate ventilation for combustion exhaust, so follow the manual's clearance and venting guidance.
What does 1,500 PSI at 1.8 GPM clean well?
This output is sized for degreasing and detail work - automotive and equipment cleaning, kitchen and food-service surfaces, and general facility maintenance. The hot water does much of the work, so you do not need extreme cold-water pressure to cut grease.
What maintenance does the burner and pump need?
Use clean diesel, keep the fuel filter and nozzle serviced, and pump-saver the AAA triplex pump before storage or freezing temperatures. The hour meter helps you track service intervals. Always relieve pressure and let the unit cool before maintenance.
Discount Cleaning Products is an authorized Simpson dealer, and our US-based team can help you choose the right nozzles, hose, and detergents for your hot-water cleaning. Simpson backs the Mini Brute with its commercial warranty coverage.
