SIMPSON® Big Brute BB65106 4000 PSI 4.0 GPM Hot Water Pressure Washer

Experience maximum cleaning power and industrial-grade performance with the SIMPSON® Big Brute BB65106, a commercial hot water pressure washer designed to take on the toughest cleaning tasks. Engineered for reliability, durability, and efficiency, this powerhouse delivers up to 4000 PSI at 4.0 GPM to effortlessly remove grease, grime, and oil from heavy equipment, driveways, construction sites, and more.

Powered by a HONDA® GX390 engine (49-state compliant) with electric start and low-oil shutdown, the Big Brute ensures consistent power and long engine life. Its COMET industrial triplex plunger pump provides professional-grade pressure performance with a safety relief valve and bypass hose for added protection and reliability.

The heavy-duty welded steel frame is finished with a durable powder coating for corrosion resistance, while 10-inch pneumatic tires offer superior mobility across varied terrain. Designed with operator comfort in mind, the 48-inch insulated grip lance and Armor® steel-braided 3/8″ x 50-ft. hose make cleaning safer and easier.

Key Features

Engine: HONDA® GX390 (49-State compliant) with low-oil shutdown and electric start
Pump: COMET Industrial Triplex Plunger Pump with safety relief valve and bypass hose
Performance: 4000 PSI @ 4.0 GPM
Power Type: Gasoline (engine) / Diesel (burner)
Fuel Capacity: 6.0 gal gasoline (engine) / 11 gal diesel (burner)
Hose: Armor® 3/8″ x 50-ft. steel-braided hot water hose with quick-connect fittings
Nozzles: 4 Quick-connect tips (15°, 25°, 40°, soap)
Wand: 48″ insulated grip lance for comfort and control
Frame: Welded steel with powder-coated finish for durability
Mobility: 10″ premium pneumatic tires
Battery: Not included (requires Group 24 battery)
Dimensions: 34″ L × 61″ W × 57″ H
Shipping: Factory-direct, ships in 7–14 business days
Note: Not available for sale or shipment to California

Professional-Grade Performance

Whether you’re tackling commercial cleaning jobs, heavy-duty maintenance, or large-scale property management, the Big Brute BB65106 delivers the heat, pressure, and reliability professionals demand. Backed by SIMPSON’s legacy of industrial innovation, it’s built to outperform and outlast—no matter the task.