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    Product Description

    Simpson PS4240 4200PSI Pressure Washer Gas/Cold

    Does not the ship to California.

    The Simpson PS4240 4200 PSI Gas Pressure Washer is a high-performance, commercial-grade cleaning machine built for tackling the toughest outdoor jobs with ease. Designed for contractors and serious users, it delivers powerful water pressure, rugged durability, and reliable Honda engine performance—making it ideal for cleaning driveways, equipment, siding, and heavy-duty surfaces.

    Features:

    • Powerful 4200 PSI @ 4.0 GPM Output
      Delivers intense cleaning power capable of blasting away stubborn dirt, grime, oil, and debris. Ideal for large-scale residential, commercial, and industrial cleaning applications where maximum performance is required.
    • HONDA® GX390 Commercial-Grade Engine with Low Oil Shutdown
      Equipped with a premium Honda GX390 engine known for reliability, easy starting, and long service life. The built-in low oil shutdown feature helps protect the engine from damage, ensuring dependable operation over time.
    • AAA™ Industrial Triplex Plunger Pump
      Engineered for durability and consistent pressure output, this professional-grade pump provides long-lasting performance under heavy use. Designed to handle demanding cleaning tasks with efficiency and reliability.
    • Monster 3/8" x 50’ High-Pressure Hose
      A heavy-duty, kink- and abrasion-resistant hose that offers extended reach and flexibility. Quick-connect fittings make setup fast and hassle-free while ensuring secure connections during operation.
    • Ergonomic Spray Gun & Wand System
      Designed for comfort and control, the spray gun reduces fatigue during extended use while providing precise handling for detailed cleaning tasks.
    • 5 Quick-Connect Nozzle Tips (0°, 15°, 25°, 40°, Soap)
      Includes a full range of spray patterns for maximum versatility—from concentrated high-pressure blasting to wide-angle rinsing and detergent application.
    • Heavy-Duty Welded Steel Frame Construction
      Built with a rugged steel frame and reinforced axle design, this unit is made to withstand demanding jobsite conditions and frequent transport.
    • 13” Premium Pneumatic Tires
      Large, air-filled tires provide excellent mobility over rough terrain, making it easy to maneuver across job sites, gravel, or uneven surfaces.

    More Information

    Manufacturer: Simpson
    MPN: PS4240
    ConditionNew
    Shipping OptionsFree Standard Delivery
    Electric MotorNo
    Engine ManufacturerHonda
    Water Flow (GPM)4
    Hose Diameter3/8"
    Hose Length50ft
    Hose MaterialSteel-braided
    HP/CC11.7HP
    Max Temperature100°F (38°C)
    Water Pressure (PSI)4200
    Pump BrandTriplex
    Pump TypeTriplex
    Pressure Washer Frame TypeCart
    Pressure Washer DriveDirect Drive
    Frame MaterialSteel
    Spray Gun ConnectionQuick Connect
    Starting SystemRecoil Start
    Warranty3 Year limited commercial engine warranty 5 Year limited commercial pump warranty 10 Year limited commercial frame warranty 90 Day limited accessory warranty

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