Simpson BB65106 Big Brute Professional 4000 PSI (Gas-Hot Water) Pressure Washer
The Simpson BB65106 Big Brute Hot Water Pressure Washer delivers professional cleaning performance with 4000 PSI pressure and a 4.0 GPM flow rate. Powered by a reliable Honda GX390 commercial engine and equipped with a COMET industrial triplex plunger pump, this heavy-duty pressure washer is designed to tackle stubborn grease, oil, dirt, and grime. Its diesel-fired hot water system, 50-foot steel-braided Armor hose, and adjustable pressure control provide versatility for demanding cleaning applications. Featuring a durable powder-coated steel frame, pneumatic tires, and convenient quick-connect spray nozzles, the Simpson Big Brute BB65106 is ideal for commercial facilities, industrial equipment, maintenance crews, and professional cleaning operations.
Simpson BB65106 Big Brute Hot Water Pressure Washer – 4000 PSI, 4 GPM
Take on demanding cleaning tasks with the Simpson BB65106 Big Brute Hot Water Pressure Washer. Designed for commercial and industrial applications, this professional pressure washer combines powerful water pressure, a high-performance Honda GX390 engine, and a durable COMET industrial triplex pump.
Delivering up to 4000 PSI at 4.0 GPM, the Simpson Big Brute provides the cleaning power needed to remove stubborn grease, oil, dirt, and grime from suitable heavy-duty surfaces and equipment.
Its hot water cleaning system makes it a practical solution for industrial facilities, commercial maintenance teams, equipment cleaning, and professional pressure washing businesses.
Powerful 4000 PSI and 4.0 GPM Cleaning Performance
The Simpson BB65106 delivers a maximum pressure of 4000 PSI with a water flow rate of 4 gallons per minute.
This combination provides strong cleaning performance for demanding applications, including:
- Commercial and industrial equipment cleaning
- Grease and oil removal from suitable surfaces
- Concrete and pavement cleaning
- Fleet and heavy machinery maintenance
- Commercial facility and property maintenance
- Professional exterior cleaning services
The adjustable pump unloader allows operators to regulate pressure for different cleaning requirements.
Commercial-Grade Honda GX390 Engine
Powered by a Honda GX390 commercial-grade gasoline engine, the Simpson Big Brute is built for dependable operation during demanding cleaning tasks.
The engine features a low-oil shutdown system to help protect it from operating with insufficient oil.
Its recoil and key-start options provide convenient starting flexibility, while Honda’s established GX engine design supports professional applications.
Industrial COMET Triplex Plunger Pump
The Simpson BB65106 features a professional COMET industrial triplex plunger pump designed for demanding pressure washing applications.
The pump incorporates an external unloader, bypass hose, and safety relief features to help manage operating pressure.
Its ceramic-coated piston technology supports durability and efficient performance during regular commercial use.
The direct-drive system transfers power from the Honda engine to the pump for consistent cleaning operation.
Diesel-Fired Hot Water Cleaning System
The Big Brute hot water pressure washer uses a fuel-fired burner to heat incoming water for effective cleaning.
Heated water is particularly useful for loosening grease, oil, and stubborn deposits on compatible surfaces.
The system includes a heat exchanger, burner controls, and protective operating features to support controlled hot water cleaning.
The gasoline-powered engine and diesel-fired burner operate using separate fuel supplies.
Heavy-Duty Powder-Coated Steel Frame
Designed for commercial environments, the Simpson Big Brute BB65106 features a robust welded steel frame with a powder-coated finish.
The steel construction helps protect essential components from impacts during transportation and everyday use.
Pneumatic tires improve maneuverability across suitable outdoor surfaces, making the machine easier to position around commercial properties and work sites.
Professional 50-Foot Armor High-Pressure Hose
The included 3/8-inch by 50-foot Armor hose provides extended reach for professional cleaning applications.
Its steel-braided construction is designed to handle high-pressure hot water operation, while quick-connect fittings simplify hose and accessory connections.
The insulated 48-inch spray lance offers additional reach and operator control during demanding cleaning jobs.
Quick-Connect Spray Nozzles for Versatile Cleaning
The Simpson BB65106 includes interchangeable quick-connect spray tips for different cleaning requirements.
The manufacturer’s current product listing specifies:
- 15° Nozzle: Concentrated spray for demanding cleaning applications.
- 25° Nozzle: General-purpose pressure washing.
- 40° Nozzle: Wider spray coverage for suitable surfaces.
- Soap Nozzle: Designed for compatible cleaning detergent application.
Always select the correct nozzle and operating pressure for the surface being cleaned.
Convenient Controls and Operator Features
The Simpson Big Brute is designed with practical controls and professional operating features.
These include:
- Honda GX390 engine with low-oil shutdown
- COMET triplex pump with external unloader
- Direct-drive pump operation
- Burner on/off control
- Quick-connect hose fittings
- Insulated spray lance
- Pneumatic tires for mobility
- Powder-coated steel frame
- Key-start and recoil-start capability
A compatible 12V starting battery is required and sold separately.
Simpson BB65106 Big Brute Specifications
General Information
- Brand: Simpson
- Product Name: Big Brute Hot Water Pressure Washer
- Model: BB65106
- Part Number: 65106
- Product Type: Gas-Powered Hot Water Pressure Washer
- Grade: Commercial / Industrial
- Maximum Pressure: 4000 PSI
- Water Flow Rate: 4.0 GPM
- Water Temperature Type: Hot Water
- Drive System: Direct Drive
Engine Specifications
- Engine Brand: Honda
- Engine Model: GX390
- Engine Displacement: 389 cc
- Fuel Type: Gasoline
- Starting System: Recoil / Key-Start
- Low-Oil Shutdown: Yes
- Engine Fuel Capacity: 5.0 Gallons
Pump and Burner Specifications
- Pump Brand: COMET
- Pump Type: Industrial Triplex Plunger
- Pressure Control: External Unloader
- Burner Fuel Type: Diesel
- Burner Fuel Capacity: 10.0 Gallons
- Cleaning Type: Hot Water Pressure Washing
Hose and Accessories
- High-Pressure Hose: Armor Steel-Braided Hose
- Hose Length: 50 Feet
- Hose Diameter: 3/8 Inch
- Spray Lance: 48-Inch Insulated Grip
- Nozzle Connection: Quick-Connect
- Chemical Injection: Downstream Siphon System
Construction and Dimensions
- Frame Material: Powder-Coated Welded Steel
- Frame Style: Four-Wheel Cart
- Wheel Type: Pneumatic
- Product Weight: Approximately 514 lbs
- Product Dimensions: Approximately 41.75 L × 31.125 W × 45.25 H Inches (published configuration)
Manufacturer Limited Warranties
- Engine: 3 Years
- Pump: 5 Years
- Frame: 10 Years
- Accessories: 90 Days
Warranty coverage is subject to the manufacturer’s applicable terms and conditions.
Why Choose the Simpson BB65106 Hot Water Pressure Washer?
The Simpson BB65106 Big Brute 4000 PSI Hot Water Pressure Washer combines commercial-grade engine performance, durable pump construction, and heated water cleaning capability in one heavy-duty machine.
Its Honda GX390 engine, COMET triplex pump, long high-pressure hose, and professional frame design make it suitable for contractors and maintenance crews managing demanding cleaning requirements.
For businesses seeking a powerful commercial hot water pressure washer, the Simpson Big Brute BB65106 offers a combination of pressure, water flow, and practical cleaning features.