Simpson 4400 Psi at 4.0 GPM CRX®420 with AAA® Triplex Plunger Pump Cold Water Professional Gas Pressure Washer
Simpson 4400 Psi at 4.0 GPM CRX®420 with AAA® Triplex Plunger Pump Cold Water Professional Gas Pressure Washer
Hero image 0 of Simpson 4400 Psi at 4.0 GPM CRX®420 with AAA® Triplex Plunger Pump Cold Water Professional Gas Pressure Washer, 0 of 11
Simpson

Simpson 4400 Psi at 4.0 GPM CRX®420 with AAA® Triplex Plunger Pump Cold Water Professional Gas Pressure Washer

697 ratings

Key item features

  • Powerful Engine: Features a 49-State compliant CRX®420 engine, delivering 4400 PSI at 4.0 GPM, with a low oil shutdown feature for reliable, cold water professional cleaning.
  • Advanced Pump: Utilizes an AAA® triplex plunger pump with an integrated unloader and thermal relief valve, ensuring professional-grade reliability and consistent pressure output.
  • Robust Chassis: Constructed with a welded steel frame and powder-coated finish for durability, mounted on 13-inch premium pneumatic tires for easy maneuverability across terrains.
  • Versatile Accessories: Includes a 50 ft. monster dual braided, kink and abrasion-resistant high-pressure hose, plus five quick-connect nozzle tips (0°, 15°, 25°, 40°, soap) for diverse tasks.
  • Professional Application: Designed for cleaning professionals and contractors, ideal for deck cleaning, paint preparation, and graffiti removal. Measures 38"L x 23.5"W x 29"H and weighs 107 lbs.
Generated by AI

About this item

Product details

Specifications

Warranty

Warnings

Customer ratings & reviews

4.6 out of 5 stars
stars
697 ratings658 reviews
How item rating is calculated
  1. 5 stars81% (565)
  2. 4 stars12% (81)
  3. 3 stars2% (12)
  4. 2 stars1% (4)
  5. 1 star5% (35)

Reviews summary

Pros

  • : Delivers strong efficient cleaning performance.
  • : Setup requires minimal effort.
  • : Made with rugged parts that feel durable.
  • : Provides strong pressure for effective cleaning.
  • : Simple setup and operation with minimal effort.

Neutral

  • : Can be fuel-hungry, but also provides efficient gas use in some cases.
Generated by AI
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |

Showing 1-3 of 658 reviews

Sep 21, 2026
Reviewer name: AnitaCHS123
5 out of 5 stars
5 out of 5 stars review

Seller Verified Purchase

Excellent for gum removal on concrete!

We love our Simpson machine! Throughout the years I e worked with several models and they have never let me down! I love the fact that the can remove the old dried up gum from the school grounds without damaging the concrete! The size of the machine makes them extremely portable and easy to move too! Simpson is the brand for us!

Review from simpsoncleaning.com
Helpful?4LDY3BT2CMUR721409497
Jun 25, 2026
Reviewer name: Green Lion Services
5 out of 5 stars
5 out of 5 stars review

Seller Verified Purchase

What an amazing working machine

I just bought and used it in a family friend house. The power is amazing, and the easyness to set it up and work is instantly. I am very happy with the choice and the options to do the work, the manuals, instructions and videos on how to use very helpful.

Review from simpsoncleaning.com
Helpful?4LDY3BT2CMUR721409497
Sep 13, 2026
Reviewer name: Serge
5 out of 5 stars
5 out of 5 stars review

Seller Verified Purchase

So mach powerful and strong, easy-to-use and setup

[This review was collected as part of a promotion.] Very good and powerful, no thank noise that tink Lovely and nice

Review from simpsoncleaning.com
Helpful?4LDY3BT2CMUR721409497
Current price is $899.99
Price when purchased online
  • Free shipping
  • Free Holiday returns until Jan 31
Walmart Protection Plan by Allstate

(Only one option can be selected at a time)

How do you want your item?

Try 30 days for just $1! Choose a plan at checkout.
How do you want your item?
Ships to
Arrives by Fri, Oct 23
.
Order within 4 hr 7 min
Sold and shipped by Walmart.com
Extended holiday returns
Free Holiday returns until Jan 31
Packaging note:

Ships in the manufacturer's original packaging, which may reveal the contents.

walmart plus

Try 30 days of Walmart+ for just $1!

T&C apply.