SIMPSON® ALH4240 | 4200 PSI Pressure Washer


SKU: 60688



SIMPSON® ALH4240 | 4200 PSI 4.0 GPM Gas Pressure Washer Powered by Honda GX390 OHV Engine (CARB Compliant)


SIMPSON® ALH4240 | 4200 PSI Pressure Washer

The SIMPSON® ALH4240 is a 4200 PSI pressure washer is fully capable of meeting the intense demands of cleaning professionals. This 100% professional-grade aluminum pressure washer is much lighter than comparable steel-frame units, but it never compromises durability. It packs plenty of power, thanks to its Honda engine and dependable triplex pump.

Designed for Performance

This versatile pressure washer is suitable for a wide range of applications, including equipment upkeep, graffiti removal, fleet cleaning, wood restoration, and more. Use the included detergent siphoning tube to work with soap on dirty jobs, and enjoy the added versatility provided by the included five quick-connect nozzle tips.

Key Features

  • Lightweight aircraft-grade aluminum design and 13" premium pneumatic tires for easier transport
  • Honda GX390 engine includes low oil shutdown feature to prevent damage
  • Dial-N-Wash® spray gun allows you to adjust pressure from minimum to maximum PSI with ease
  • 50’ kink and abrasion-resistant Monster hose, which connects quickly
  • Ergonomic design is comfortable and provides excellent control
  • Includes five quick-connect nozzle tips: 0°, 15°, 25°, 40°, and soap


SIMPSON® Aluminum Frame

Designed to meet the rigorous demands of the cleaning pro.

  • Lighter in weight than most steel-frame designs, the Aluminum Series frame is crafted of 100% professional grade aluminum.
  • Perfect for contractors who specialize in deck cleaning, wood restoration, paint preparation, graffiti removal and all other professional cleaning services.
  • For those extra dirty jobs, drop the detergent siphoning tube into pressure washer safe detergent and attach the soap applicator nozzle.

     Whats it Includes:

    • Pressure Washer
    • Hose
    • Gun
    • Wand
    • 5 Quick connect nozzle tips
    • Detergent siphon tube with filter
    • Engine Oil
    • Quick start set up guide
    • Owner's manual


    Save on a Quality Pressure Washer

    Depend on the SIMPSON® ALH4240 to meet your needs and exceed your expectations. For assistance placing your order for this 4200 PSI pressure washer, please don’t hesitate to contact us online and we’ll respond quickly. Order this top-of-the-line aluminum pressure washer with confidence at Amazing Generators today.