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SIMPSON Cleaning ALH3425 Aluminum Gas Pressure Washer Powered by Honda GX200, 3600 PSI @ 2.5 GPM, Black & Red

4.3 out of 5 stars 569 ratings

Price: $679.00
3600 PSI @ 2.5 GPM
Gas Pressure Washer

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  • HONDA GX200 engine w/ Oil Alert
  • AAA Industrial triplex plunger pump w/ PowerBoost Technology
  • 5/16 in. x 35 ft. MorFlex hose is non-marring, kink and abrasion resistant, and equipped with threaded fittings
  • Aircraft grade aluminum frame w/ brushed extruded aluminum tubing.Pump/Hose Connection:Threaded M22 connection
  • 10" Premium pneumatic wheels
  • 5 Quick connect nozzle tips: 0°, 15°, 25°, 40° and soap
  • All pressure washers are 100% functionally tested in factory and may contain minimum residual fuel/oil or fuel odor.Gun/Hose Connection:Threaded M22 connection
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Frequently bought together

  • SIMPSON Cleaning ALH3425 Aluminum Gas Pressure Washer Powered by Honda GX200, 3600 PSI @ 2.5 GPM, Black & Red
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  • Simpson Cleaning 80165 Scrubber 15" Steel Pressure Washer Surface Cleaner for Cold Water Machines, 1/4" Quick Connection, Rat
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  • Simpson Cleaning 40226 Morflex Series 3700 PSI Pressure Washer Hose, Cold Water Use, 5/16 Inch by 50 Feet, Natural
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What's in the box

  • SIMPSON Cleaning ALH3425 Aluminum Gas Pressure Washer

  • From the manufacturer

    MSH3125 ps3228 ALH3425 CM60912 ALWB60828
    MegaShot PowerShot Aluminum Series Clean Machine Water Blaster
    PSI 3200 3300 3600 2400 4200
    GPM 2.5 2.5 2.5 2.0 4.0
    Pneumatic Tires
    Accessory Bundle Options
    Engine Honda Honda Honda Simpson Honda
    Best for Residential Use Commercial Use Commercial Use Residential Use Commercial Use

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    SIMPSON Cleaning ALH3228-S Cleaning ALH3228 3400 PSI at 2.5 GPM Gas Powered by HONDA GX200 Pressure Washer, Red
    SIMPSON Cleaning PS3228 PowerShot Gas Pressure Washer Powered by Honda GX200, 3300 PSI at 2.5 GPM, Black
    Simpson Cleaning CM61083 3400 PSI at 2.5 GPM Clean Machine Cold Water Residential Gas Pressure Washer, Natural
    Customer Rating 4.3 out of 5 stars (569) 4.5 out of 5 stars (7061) 4.4 out of 5 stars (297) 4.5 out of 5 stars (1581) 4.4 out of 5 stars (412)
    Price $679.00 $379.00 $694.00 $539.00 $319.00
    Shipping FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details FREE Shipping. Details
    Sold By Amazon.com Amazon.com Amazon.com Amazon.com Amazon.com
    Item Dimensions 30 x 24 x 21 inches 26 x 18 x 35 inches 30 x 21 x 24 inches 34 x 21 x 24 inches 22 x 13.5 x 29.25 inches
    Item Weight 80.00 lbs 65.00 lbs 73.00 lbs
    Power Source gas powered Gasoline Gasoline Gasoline Gas Powered

    Product description

    Size:3600 PSI @ 2.5 GPM  |  Pattern Name:Gas Pressure Washer

    The SIMPSON Aluminum Series pressure washer 3600 PSI at 2. 5 GPM is great for construction, equipment upkeep, and facility and fleet maintenance cleaning. With a powerful HONDA GX200 engine, reliable AAA triplex pump, and ultra lightweight aircraft grade aluminum frame, this pressure washer is the optimum blend of maneuverability and performance. The ALH3425 also comes with a 35’ hose, ergonomic spray gun, and 5 Quick Connect nozzles. Designed to meet the rigorous demands of the cleaning professional, the SIMPSON Aluminum Series frame is crafted of 100% aircraft grade aluminum, making it lighter in weight than most steel frame pressure washer designs. Perfect for contractors who specialize in deck cleaning, wood restoration, paint preparation, graffiti removal and all other professional cleaning services. The SIMPSON Aluminum Series designed for optimum performance in the harshest environments. 3 year limited HONDA commercial engine, 5 year limited pump, 10 year limited frame and 90 day accessory.

    Product information

    Size:3600 PSI @ 2.5 GPM  |  Pattern Name:Gas Pressure Washer

    Warranty & Support

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    Customer reviews

    4.3 out of 5 stars
    4.3 out of 5
    569 global ratings
    How are ratings calculated?

    Top reviews from the United States

    Reviewed in the United States on December 14, 2018
    Size: 3600 PSI @ 2.5 GPMPattern Name: Gas Pressure WasherVerified Purchase
    80 people found this helpful
    Report abuse
    Reviewed in the United States on June 17, 2017
    Size: 4200 PSI @ 4.0 GPMPattern Name: Gas Pressure WasherVerified Purchase
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    5.0 out of 5 stars 5 Star Performance, Zero Star Packaging
    By Sam Vert on June 17, 2017
    This is my first pressure washer and I wanted to get a good one. Sure, I could save some coin buying a lesser unit, but I didn't want to spend all weekend cleaning my driveway and patio. I'm glad I got the big one.

    Mine was slightly damaged during shipping; more on that later.

    After adding the included oil and filling the tank with fresh gasoline, I fed the pump some hose water and pulled the recoil starter. It fired right up, as a Honda should! I started off with the rotary head (rated for 4.0 GPM) and it immediately began to clear the scum from my driveway. The engine is well muffled for such a large displacement, by the way. The 50 foot hose is adequate for most residential needs, but adding a 100 footer to the accessories pile would help for cleaning off rockeries and brickwork around the backyard. This is the Evergreen State after all and moss is EVERYWHERE! Moss has met it's match with this unit, but I digress..

    The 4500 PSI rated hose is of a 3/8" size, and it's burly but not too unwieldy; there is a price for power. I found the hose needs a bit of attention to deliberately lay out according to your intended cleaning path because loops and twists are not easily handled without setting down the wand, walking back to the problem and uncoiling it manually. Again, it's par for the course here.

    The big Honda 390 pushes 4 gallons per minute with serious authority; it's easy to get cavalier with the wand but care must be used when getting close to wood as it will tear it up in no time flat, especially with a turbo head. Reducing the pressure and flow with the regulator on the wand proved invaluable around delicate structures and planter areas; I can't imagine using this machine without it.

    I really love the aluminum base and frame. It's nice to know that it will never rust and weight has been kept to a minimum. As for the CAT pump, what's not to like? Industrial duty and rebuildable, it's the best money can buy. And when it comes to pressure washers, it's really all about the pump.

    I can also say that if your plans for a pressure washer consist primarily of auto or boat washing, this unit is overkill extreme. An electric Karcher or similar machine would be much better suited to you. If you value your time as much as your money and want to spend more of it enjoying your property then cleaning it, this is the one to get!

    Now about the damage. The courier that delivered the box to my house had noted that they received it with the cardboard already torn and plastic shipping wrap bandaging up the sad sight. A brief inspection didn't show anything wrong, but as soon as the courier left, I noticed the frame had gotten bent and the handle wouldn't slide on. I decided to just bend the post back in place enough to slide the handle on and live with it. Thankfully the engine proper didn't sustain any blows.

    I've given the unit 5 stars because I think it deserves it, but Simpson has got to do something about their packaging. It's totally inappropriate to ship a 1300 dollar 125 pound machine in a 2 dollar single corrugated cardboard box. The machine was essentially swimming in a paper sack by the time it made it to my driveway. The wand and tube were simply dropped in the box without any extra protection and the fact that they weren't damaged or missing is nothing short of a miracle.

    In summary, I would say that if you order one of these, you're rolling the dice when it comes to damage. Be prepared to refuse the shipment or hassle with aftermath from a significant impact.
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    94 people found this helpful
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    Reviewed in the United States on March 17, 2020
    Size: 4200 PSI @ 4.0 GPMPattern Name: Gas Pressure WasherVerified Purchase
    Customer image
    2.0 out of 5 stars Wide open throttle
    By Lawrence on March 17, 2020
    Do not buy this pressure washer, it has no throttle control on it so the pressure washer is always in wide open throttle position! When you shut it off it loads up with fuel. Then When you go to start it again it backfires and rip the pull cord out of your hand and it somehow hits you in the chest and leaves a massive of welt on you! All the pictures and what I've read online say that it has a throttle control lever! This is false advertisement. And it makes you look very unprofessional on the job! Not happy with this product at all! No it did not come in the Simpson white shipping box. It was in a plain brown cardboard box. This is the Simpson 4200 PSI aluminum frame with a CAT pump and the red12.5 horsepower Honda engine Pressure washer! I hope this review helps anyone considering buying this product.
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    36 people found this helpful
    Report abuse
    Reviewed in the United States on August 25, 2018
    Size: 4200 PSI @ 4.0 GPMPattern Name: Gas Pressure WasherVerified Purchase
    46 people found this helpful
    Report abuse
    Reviewed in the United States on January 23, 2019
    Size: 4200 PSI @ 4.0 GPMPattern Name: Gas Pressure WasherVerified Purchase
    44 people found this helpful
    Report abuse

    Top reviews from other countries

    Duksey12
    5.0 out of 5 stars Works as advertised
    Reviewed in Canada on May 12, 2021
    Size: 3600 PSI @ 2.5 GPMPattern Name: Gas Pressure WasherVerified Purchase
    Bm
    5.0 out of 5 stars Just as expected
    Reviewed in Canada on September 25, 2021
    Size: 3600 PSI @ 2.5 GPMPattern Name: Gas Pressure WasherVerified Purchase
    Charles Kilgour
    5.0 out of 5 stars great
    Reviewed in Canada on October 16, 2018
    Size: 3600 PSI @ 2.5 GPMPattern Name: Gas Pressure WasherVerified Purchase
    2 people found this helpful
    Report abuse
    Belal Moustaph
    5.0 out of 5 stars 🤔
    Reviewed in Canada on August 13, 2021
    Size: 4200 PSI @ 4.0 GPMPattern Name: Gas Pressure WasherVerified Purchase
    Customer image
    5.0 out of 5 stars 🤔
    Reviewed in Canada on August 13, 2021
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