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4.3
(25)
4.3 out of 5 stars. 25 reviews
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  9. SIMPSON Pro Series, 4400, 4 GPM, AAA Triplex Pump, Electric Start, Cold Water Pressure Washer, 49 State

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SIMPSON Pro Series, 4400, 4 GPM, AAA Triplex Pump, Electric Start, Cold Water Pressure Washer, 49 State

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SIMPSON Pro Series, 4400, 4 GPM, AAA Triplex Pump, Electric Start, Cold Water Pressure Washer, 49 State

Item # 6129504

SIMPSON SIMPSON Pro Series, 4400, 4 GPM, AAA Triplex Pump, Electric Start, Cold Water Pressure Washer, 49 State
SIMPSON SIMPSON Pro Series, 4400, 4 GPM, AAA Triplex Pump, Electric Start, Cold Water Pressure Washer, 49 State
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Shop all SIMPSON

  • New Arrival

  • Online Only

SIMPSON Pro Series, 4400, 4 GPM, AAA Triplex Pump, Electric Start, Cold Water Pressure Washer, 49 State

Item # 6129504

SIMPSON SIMPSON Pro Series, 4400, 4 GPM, AAA Triplex Pump, Electric Start, Cold Water Pressure Washer, 49 State
SIMPSON SIMPSON Pro Series, 4400, 4 GPM, AAA Triplex Pump, Electric Start, Cold Water Pressure Washer, 49 State
$1,049.99
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Valid 8/24/2026 - 9/7/2026

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SIMPSON Pro Series, 4400, 4 GPM, AAA Triplex Pump, Electric Start, Cold Water, Pressure Washer- 49 State: Is built for professionals who need dependable power, durability, and performance for demanding cleaning applications. Powered by a premium CRX420 engine with electric start and low oil shutdown, this gas pressure washer is ideal for deck cleaning, wood restoration, paint preparation, graffiti removal, concrete cleaning, and other professional services. The AAA triplex pump delivers reliable water flow and long-lasting performance, while the 50-foot Monster high-pressure hose provides extended reach for larger jobs. A rugged powder-coated steel frame, 13-inch pneumatic tires, and an ergonomic 360-degree rotating spray gun help maximize productivity and operator comfort on the jobsite. Complete with five quick-connect nozzle tips and a 12V battery, the SIMPSON Pro Series is designed to handle a wide range of residential, commercial, and industrial cleaning tasks.

  • Delivers professional-grade cleaning performance for contractors handling deck restoration, paint preparation, graffiti removal, concrete cleaning, and other demanding pressure washing jobs
  • Premium CRX 420 engine features electric start and low oil shutdown for reliable operation and added engine protection
  • AAA triplex pump with an integrated unloader and thermal relief valve provides consistent performance and long-lasting durability
  • 50-foot Monster high-pressure hose features dual-braided construction with a kink-resistant, abrasion-resistant, non-marring polyurethane jacket for extended reach and flexibility
  • Heavy-duty steel frame construction with a powder-coated finish helps resist corrosion and withstand tough jobsite conditions
  • Large 13-inch pneumatic tires and an ergonomic 360-degree rotating spray gun improve maneuverability, comfort, and control during operation
  • Includes five quick-connect nozzle tips (0, 15, 25, 40, and soap) and a 12V battery for versatile cleaning across a variety of surfaces and applications
BrandSIMPSON
Country of OriginMade in USA
Amperage0 N/A
Connector Size38 Quick Connect
Cord Length50 ft.
Decibel Rating0 N/A
Duty RatingMedium Duty
Engine BrandCRX420
Engine Displacement420 cc
Features0 N/A
Fuel Tank Capacity2 gal.
Fuel TypeGasoline
Hose Diameter38 in.
Hose Length50 in.
Hose MaterialPolyester
Maximum Flow Rate4 GPM
Maximum Operating Pressure0 N/A
Nozzle TypeMulti
Number of Tips Included5
Power TypeElectric
Pressure Rating Range3500 or more
Pressure Washer Duty TypeMedium Duty
Pressure Washer Maximum Operating Pressure4400 PSI
Product Height29 in.
Product Length38 in.
Product Weight23.5 in.
Product Width29 in.
Pump BrandAAA
Start TypeElectric
Water Temperature CompatibilityCold
Wheel Size13" Pneumatic
Manufacturer Part Number61350
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Overall Rating

4.3
4 out of 4 (100%) reviewers recommend this product

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1 to 4 of 25 Reviews .
1 – 4 of 25 Reviews
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Most Recent
Larry2
Southern Illinois
Review 1
4 out of 5 stars.

Good pressure washer

22 days ago
Bought this a month ago and it does a nice job. Good pressure and the flow rate is really good. My wife really likes the push button start.

Originally posted on simpsoncleaning.com

Pressure washer Simpsons
US
Review 1
5 out of 5 stars.

Simpsons pressure washer

24 days ago
Great product push start no pulling and pulling to start has great power cleans quickly.

Originally posted on simpsoncleaning.com

JAMSAN
US
Review 1
5 out of 5 stars.

PS61371 work excellent out of the box. Plenty of cleaning power

a month ago
The pressure washer worked great and was able to tackle the cleaning job with power to spare.

Originally posted on simpsoncleaning.com

Caleb
US
Review 1
4 out of 5 stars.

Great Washer

a month ago
Had little issues with this. This thing can handle some pretty big jobs which is why I bought it. I’ve been happy with it.

Originally posted on simpsoncleaning.com

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