SIMPSON PowerShot 4000 PSI at 3.5 GPM Cold Water Professional Gas Pressure Washer
$839.00
SIMPSON PowerShot 4000 PSI at 3.5 GPM Cold Water Professional Gas Pressure Washer
SIMPSON PowerShot 4000 PSI at 3.5 GPM Cold Water Professional Gas Pressure Washer
Item # 604250699
$839.00
or
or
Buy Any Pressure Washer, Get 20% Off Pressure Washer Accessories
Add this item to unlock free delivery!
Notice:
This Item cannot be shipped to CA.Add a protection plan
Powersport plans are not available in CA.
Neighbor’s Club Members earn points with purchases.
SIMPSON PowerShot 4000 PSI at 3.5 GPM Cold Water Professional Gas Pressure Washer
Item # 604250699
Buy Any Pressure Washer, Get 20% Off Pressure Washer Accessories
$839.00
or
or
$47/mo.† suggested payments with 18 Months Financing or earn $41 in Rewards+ on this purchase.
Valid 9/21/2026 - 9/27/2026
Valid 9/21/2026 - 9/27/2026
Add this item to unlock free delivery!
Shopping at
Grassland (franklin) TN
Delivery to
Pickup Nearby at THOMPSONS STATION TN(14) miles Free
Ship to store at Grassland (franklin) TN
Free standard delivery on online footwear & Clothing purchases of $49 and over.
Notice:
This Item cannot be shipped to CA.Add a protection plan
Powersport plans are not available in CA.
Neighbor’s Club Members earn points with purchases.
The SIMPSON PowerShot Series is designed to meet the rigorous demands of the cleaning pro. Heavy-duty pressure washers with flow and reliability. Perfect for contractors who specialize in deck cleaning, wood restoration, paint preparation, graffiti removal, and all other professional cleaning services. Equipped with a premium (49-State compliant) CRX engine built with high-quality components, designed for optimum performance and renowned for being easy to start.This product is not for sale in California
Looking for more information on pressure washers? Check out our guide on how to maintain a pressure washer in the product documents section.
- CRX420 engine is equipped with a low oil shutdown feature
- AAA triplex pump has an integrated unloader with a thermal relief valve
- Monster, 50 ft. dual braided high-pressure hose is kink and abrasion-resistant with a non-marring polyurethane outer jacket with QC fittings
- Welded steel frame construction with a powder-coated finish for durability and corrosion resistance
- 13 in. Premium pneumatic tires for ease of maneuverability across various terrain
- 5 Quick connect nozzle tips, 0, 15, 25, 40 and soap nozzle to use for a variety of cleaning applications
- Unit Weight: 120 lbs.
- Images shown may vary from the actual unit
| Brand | SIMPSON |
|---|---|
| Country of Origin | Made in USA |
| Amperage | 0 N/A |
| Connector Size | 0 N/A |
| Cord Length | 0 N/A |
| Decibel Rating | 0 N/A |
| Duty Rating | Heavy Duty |
| Engine Brand | CRX |
| Engine Displacement | 0 N/A |
| Features | Gun, high pressure hose,lance,nozzles |
| Fuel Tank Capacity | 1.4 gal |
| Fuel Type | Gasoline |
| Hose Diameter | 38 in. |
| Hose Length | 50 ft. |
| Hose Material | Polyurethane |
| Maximum Flow Rate | 3.5 GPM |
| Maximum Operating Pressure | 4,000 PSI |
| Nozzle Type | Multi |
| Number of Tips Included | 5 |
| Power Type | Gas |
| Pressure Rating Range | 3500 or more |
| Pressure Washer Duty Type | Heavy Duty |
| Pressure Washer Maximum Operating Pressure | 4000 PSI |
| Product Height | 29 in. |
| Product Length | 38 in. |
| Product Weight | 120 lb. |
| Product Width | 23.5 in. |
| Start Type | Recoil |
| Water Temperature Compatibility | Cold |
| Wheel Size | 13 in. |
| Manufacturer Part Number | 61474 |
Have a question?
Start typing your question and we'll check if it was already asked and answered.
1 - 8 of 8 Questions
Newest questions
Q: Does this have the Honda engine?
2 months ago2 Answers
- A: Captart, This has a CRX engine and not a HondaAnonymous25 days agoHelpful?
Q: How noisy is it and does it shake and rattle
2 months ago1 Answer
- A: Thanks for your interest, Mike. This actually is very quiet and does not shake under most conditions. Let us know if we can help with anything else!Anonymous2 months agoHelpful?
Q: Does it come with the gun
2 months ago1 Answer
- A: Thanks for reaching out, Flow. Yes, this comes equipped with a trigger gun. Let us know if we can help with any further questions!Anonymous2 months agoHelpful?
Q: Can it dispense soap
2 months ago2 Answers
- A: David, Yes, this pressure washer can dispense soap. It features a built-in downstream chemical injector and includes a dedicated soap nozzle among its five quick-connect tips for various cleaning applications.Anonymous25 days agoHelpful?
Q: What is the maximum temperature of the water that you can run through this pressure washer
3 months ago1 Answer
- AI-generated, Human-approvedA: This pressure washer is designed for cold water use only. It is not compatible with hot water sources.2 months agoHelpful?
Q: What's the water:chemical mix ratio when using the built-in downstream injector?
3 months ago2 Answers
- A: eggo, The built-in downstream chemical injector on the SIMPSON PowerShot 4000 PSI pressure washer draws at a fixed ratio of approximately 7:1 to 10:1 (water-to-chemical). This means for every 7 to 10 gallons of water pushing through your hose, the venturi system will suck up 1 gallon of undiluted detergent or chemical from your supply bucket.Anonymous3 months agoHelpful?
Q: What is the difference between this and the 799 Simpson washer
4 months ago1 Answer
- A: Thanks for the question, Papasan. This machine has more water volume and pressure. Let us know if we can help with anything else!Anonymous4 months agoHelpful?
Q: What is the engine hp
6 months ago1 Answer
- A: Thank you for your question, Travis. This is a 420CC engine which is approximately 10HP. Let us know if we can help with anything else!Anonymous6 months agoHelpful?
Q&As
Have a question?
Start typing your question and we'll check if it was already asked and answered.
1 - 8 of 8 Questions
Newest questions
Q: Does this have the Honda engine?
2 months ago2 Answers
- A: Captart, This has a CRX engine and not a HondaAnonymous25 days agoHelpful?
Q: How noisy is it and does it shake and rattle
2 months ago1 Answer
- A: Thanks for your interest, Mike. This actually is very quiet and does not shake under most conditions. Let us know if we can help with anything else!Anonymous2 months agoHelpful?
Q: Does it come with the gun
2 months ago1 Answer
- A: Thanks for reaching out, Flow. Yes, this comes equipped with a trigger gun. Let us know if we can help with any further questions!Anonymous2 months agoHelpful?
Q: Can it dispense soap
2 months ago2 Answers
- A: David, Yes, this pressure washer can dispense soap. It features a built-in downstream chemical injector and includes a dedicated soap nozzle among its five quick-connect tips for various cleaning applications.Anonymous25 days agoHelpful?
Q: What is the maximum temperature of the water that you can run through this pressure washer
3 months ago1 Answer
- AI-generated, Human-approvedA: This pressure washer is designed for cold water use only. It is not compatible with hot water sources.2 months agoHelpful?
Q: What's the water:chemical mix ratio when using the built-in downstream injector?
3 months ago2 Answers
- A: eggo, The built-in downstream chemical injector on the SIMPSON PowerShot 4000 PSI pressure washer draws at a fixed ratio of approximately 7:1 to 10:1 (water-to-chemical). This means for every 7 to 10 gallons of water pushing through your hose, the venturi system will suck up 1 gallon of undiluted detergent or chemical from your supply bucket.Anonymous3 months agoHelpful?
Q: What is the difference between this and the 799 Simpson washer
4 months ago1 Answer
- A: Thanks for the question, Papasan. This machine has more water volume and pressure. Let us know if we can help with anything else!Anonymous4 months agoHelpful?
Q: What is the engine hp
6 months ago1 Answer
- A: Thank you for your question, Travis. This is a 420CC engine which is approximately 10HP. Let us know if we can help with anything else!Anonymous6 months agoHelpful?
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Reviews
Summary of Reviews
Customers overwhelmingly praise this pressure washer for its exceptional 4000 psi power and reliability. Most highlight dramatic cleaning results on driveways, decks, and siding—completing jobs in a fraction of the time compared to older models. Reviewers consistently commend the easy assembly compl...
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1 to 4 of 140 Reviews .
1 – 4 of 140 Reviews
Most Recent
Wayne1247987
US
Review 1
4 out of 5 stars.
Looks impressive
7 days ago
Easy to assemble! Just got it together I haven't powered it up yet.
Originally posted on simpsoncleaning.com
Mona
US
Review 1
5 out of 5 stars.
Easy to use!
10 days ago
I just bought this and am very happy with the quality of the product
Originally posted on simpsoncleaning.com
CSM69
Alabama
Review 1
5 out of 5 stars.
Very good product
13 days ago
I’ve been using this machine for several hours and it easily gets the job done and fast. The controls are simple and well thought out. Overall, the machine appears to be made very durable and I plan to use the pump foam when storing for longer than a week
Originally posted on simpsoncleaning.com
CJG26
US
Review 1
5 out of 5 stars.
Great Pressure washer
14 days ago
I Bought today and washed 4000 sq ft barn w 25 ft walls and it did awesome job...Easy to assemble and Crank right up. thanks
Originally posted on simpsoncleaning.com