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Simpson ALH4240 (Honda) 4200 PSI 4 GPM Commercial Pressure Washer

Model: ALH4240  |  Item Number: 60688
UPC: 879399001345
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Reg. Price: $1,499.00 $1,399.99

Estimated Ship Date for New Orders: 5/28/2024

Features for the Simpson ALH4240

  • Honda GX390 Commercial Engine:389cc Honda Commercial Grade engine with low-oil shutdown starts quick and delivers smooth power.
  • CAT Industrial Triplex Pump:The Direct Drive Triplex Pump products up to 4 gallons per minute. Triplex pumps run cooler and last longer than axial pumps.
  • Aircraft Grade Aluminum Frame:Strong, yet lightweight frame is backed by a 10 year factory warranty on frame components.
  • Ergonomic Spray Gun:Offers comfort and control during operation for extended amounts of time.
  • 31" Quick Connect Spray Wand0, 15, 25, 40 and soap nozzles connect easily to the 31" spray wand.
  • Monster 3/8" x 50ft HoseThe high-pressure steel-braided rubber hose is non-marring and king resistant. Includes siphon tube detergent injection.
  • Warranty90 Day Commercial Warranty, 3 year Engine Warranty, 2 year Pump Warranty.


*Cannot Ship to California*

This product may contain chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. For more information, go to

Technical Specs for the Simpson ALH4240*

Engine Brand Honda GX390
Displacement(cc) 389cc
Fuel Capacity 1.6 gallons
Starting System Recoil Start

Pump Style Direct Drive
Pump Type Triplex Pump
Brand CAT
Gallons Per Minute 4
Maximum Pressure 4200 PSI

Pressure (PSI) 4200 PSI
Flow Rate (GPM) 4
Hose Rubber 3/8" x 50'
Spray Gun Quick-Connect Professional 31" Single Wand

Quick-Click Nozzle Tips 0°, 15°, 25°, 40° and Soap

Frame Heavy duty aircraft grade aluminum

Drive System
Tire Size 13" Premium pneumatic

Weight (lbs.) 128 lbs.

Residential Warranty 90 days
Commercial Warranty 90 days
Engine 3 years engine warranty, 2 year pump warranty

* These Technical Specs are provided by the manufacturer at the beginning of the model year. Please be aware that the manufacturer may decide to change these specs at any given time without notice.

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