4,200 PSI 8.5 GPM Cold Water Gas Pressure Washer - B4224HETBAS

4200 PSI Truck Mount Pressure Washer: High Performance Cleaning Power with Honda GX690 Electric Start and Belt-Driven Triplex Pump

The BE Power Equipment B4224HETBAS Truck Mount Pressure Washer is engineered for professional operators who demand maximum flow, consistent pressure, and long-term durability in a fixed truck- or trailer-mounted cleaning system. Delivering 4,200 PSI at an impressive 8.5 GPM, this pressure washer provides exceptional water volume and cleaning efficiency for large-scale commercial and industrial pressure washing applications. Its high psi output makes it ideal for demanding jobs that require deep cleaning power without damaging surfaces. The performance of this truck-mounted pressure washer is measured in PSI (pounds per square inch) and GPM (gallons per minute), which together indicate the cleaning power and effectiveness of the system.

Powered by a Honda GX690 electric start engine and paired with a commercial-grade belt-driven CP triplex pump, the B4224HETBAS is built for continuous, all-day operation. Mounted on a powder-coated steel plate with integrated anti-vibration pads, this unit bolts securely to a truck or trailer, creating a stable and reliable mobile cleaning platform designed for demanding professional use. These units can also be equipped with hot water capabilities for more effective cleaning on tough grease and grime.

Whether you’re operating a high-output mobile pressure washing business, maintaining industrial facilities, or cleaning fleets and heavy equipment, the B4224HETBAS delivers the flow, performance, and reliability professionals rely on to work faster and more efficiently. The system typically includes a high-pressure washer, large-capacity water tank, and various accessories such as hoses and nozzles to ensure versatility and ease of use. The durability and serviceability of this truck-mounted pressure washer are enhanced by high-quality components and engineering.

Built for Serious Truck Mount Pressure Washing

This pressure washer is purpose-built for truck and trailer mounting, providing a permanent high-flow cleaning solution that’s always ready to work. Designed for commercial and industrial environments, the B4224HETBAS is ideal for:

• Mobile pressure washing operations

• Large-scale commercial and industrial cleaning

• Fleet, transport, and heavy equipment washing

• Agricultural and construction site maintenance

• High-volume rinsing and surface cleaning applications

With extremely high GPM output and steady pressure, this truck mount pressure washer excels at flushing, rinsing, and cleaning large surface areas where water volume is critical to productivity.

Features

Honda GX690 Electric Start Engine

At the core of this truck mount pressure washer is the Honda GX690 electric start engine, a commercial-grade V-twin engine known for power, reliability, and long service life. The electric start system adds convenience and efficiency for truck-mounted applications, especially in high-use professional environments.

Engine features include:

• Electric start for quick and effortless operation

• Strong, consistent power output for high-flow applications

• Automatic low-oil shutdown to protect the engine

• Designed for continuous professional use

Honda GX-series engines are trusted worldwide and remain a top choice for professional pressure washing equipment.

Commercial Grade Belt-Driven CP Triplex Pump

Paired with the Honda engine is a commercial-grade belt-driven CP triplex pump, engineered for high-flow, continuous-duty pressure washing. As a heavy duty pressure washer, this unit is designed for durability and longevity, especially when proper storage and maintenance are observed. Belt-drive systems allow the pump to operate at lower RPMs, significantly reducing heat, vibration, and wear during extended operation.

Key pump features include:

• Smooth, consistent pressure delivery

• Improved cooling for long run times

• Thermal relief valve to prevent overheating

• Built for demanding, high-output cleaning applications

Trailer-mounted pressure washers like this can be customized to meet specific cleaning needs, making them versatile for a range of jobs. They also enhance property maintenance and construction operations by providing powerful, mobile cleaning solutions.

This belt-driven triplex pump configuration ensures long-term reliability and stable performance throughout full workdays.

Truck Mount Frame with Anti-Vibration Design

The B4224HETBAS is mounted on a powder-coated steel plate specifically engineered for compatibility and stability with trucks or trailers. Integrated anti-vibration pads help reduce movement and stress on components during operation, improving stability and extending equipment life.

This secure mounting system provides confidence for operators who rely on their equipment daily in demanding environments.

Industry-Leading Warranty and Safety

This gas pressure washer is backed by an industry-leading 3-year warranty, providing added peace of mind and long-term value. Built-in safety features and robust construction help protect the machine during continuous professional use.

Product Details

Pressure: 4,200 PSI (pounds per square inch)
Flow Rate: 8.5 GPM
Engine: Honda GX690 electric start
Pump: Commercial-grade belt-driven CP triplex pump
Mounting: Truck / trailer mount steel plate with anti-vibration pads

This 4200 psi truck mount pressure washer, also known as a power washer, delivers high-performance cleaning for heavy-duty outdoor tasks.

Applications and Uses

Putting our name on a pressure washer means everything to us. These aren't just tools—they're the backbone of countless cleaning operations, from everyday maintenance to the toughest industrial challenges. Our truck mounted pressure washers deliver the kind of unmatched cleaning power and mobility that professionals stake their reputation on. When you're out there removing stubborn dirt and mold from outdoor furniture, restoring the shine to commercial buildings, or keeping heavy equipment running clean, you need machines that won't let you down. That's why we build every unit with the high pressure and flow rate that gets the job done right, every single time.

We know that every cleaning job is different, and that's why we've spent years perfecting our lineup. Our cold water pressure washers are the gentle giants—perfect for those delicate surfaces, vehicles, and smaller outdoor areas where finesse matters. But when the going gets tough and you're facing down grease, oil, or grime that just won't quit, our hot water pressure washers step up to the plate with superior cleaning efficiency that's built for industrial and commercial environments. Our electric units shine indoors and in sensitive applications where quiet operation and clean running are non-negotiable, while our gas-powered workhorses deliver the raw power and mobility that outdoor and heavy-duty tasks demand.

We've walked in the boots of contract cleaners and professionals who service multiple locations day in and day out. That's why our pressure washer trailers combine large fuel tanks, high-capacity pumps, and essential safety features that are designed for extended use and easy transport from job to job. Our mounted pressure washers are engineered for rock-solid stability and continuous operation, ensuring that you get consistent performance no matter where the work takes you.

We believe in giving you everything you need to get the job done right. That's why we've developed a comprehensive range of accessories—extension wands, specialized nozzles, and detergents—that are specifically designed to tackle different tasks and surfaces. These add-ons help you reach those high or hard-to-access areas, adjust spray patterns exactly how you need them, and boost cleaning power for whatever specific application you're facing.

We stand behind every machine that bears our name, and that means proper maintenance is something we take seriously. We know that regularly checking for leaks, rinsing and storing equipment correctly, and following our recommended operation procedures will help you prevent costly downtime and ensure safe, reliable performance year after year. When you select our pressure washers for your unique cleaning challenges and maintain them with the care they deserve, you're not just getting outstanding results—you're getting a partner you can count on across the full spectrum of commercial, industrial, and light duty applications.

Factory Tested for Performance

Each BE Power Equipment pressure washer is functionally tested at the factory prior to shipping to ensure it meets or exceeds market standards for quality and reliability. Units may contain minimal residual oil or fuel odor, confirming that the machine has passed quality inspections and is ready for installation and use.

Built to Last — Trusted by Professionals

For operators who need maximum flow, dependable power, and rugged truck-mount durability, the B4224HETBAS delivers uncompromising performance. The high speed and pressure of this 4200 psi truck mount pressure washer make it highly effective at removing dirt, grime, and stains from a variety of surfaces. When putting the right amount of pressure for each cleaning task, especially around paint, users can avoid accidental damage and ensure optimal results. With a Honda GX690 electric start engine, a belt-driven CP triplex pump, and a heavy-duty mounting platform, this pressure washer is built to perform day after day in the most demanding cleaning environments.

B4224HETBAS — Extreme flow with professional truck mount performance.