SIMPSON Pro Series with AAA Triplex Pump 4000-PSI 3.5-GPM Cold Water Gas Pressure washer with 5 Spray Tips

Name: SIMPSON Pro Series with AAA Triplex Pump 4000-PSI 3.5-GPM Cold Water Gas Pressure washer with 5 Spray Tips
Brand: SIMPSON
SKU: 5014825461
Rating: 4.6 (2938 reviews)

4.6

2938

At a Glance

Gas

Heavy Duty: 2800 or more

4000 PSI

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Pressure Rating (PSI): 4000

3500

3700

4000

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This Item Is Featured In

SIMPSON Pro Series with Triplex Pump 4000 PSI 3.5-GPM Cold Water Gas Pressure Washer Combo Kit

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Shipping Details

The SIMPSON® Pro 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.

CRX340 engine with a low oil shutdown feature
Reliable AAA® Triplex PRO Pump with PowerBoost Technology delivering higher pressure at the nozzle
Steel-braided Monster Hose 3/8 in x 50 ft kink and abrasion resistant hose with quick connect fittings and polyurethane outer jacket
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 to use for a variety of cleaning applications
Ergonomic 360-degree side assist rotating spray gun designed for operator comfort and control
Unit Dimensions: L: 38" x W: 23.5” x H: 29”, Unit Weight 120 lbs, **Does not ship to California**
Exclusive 5 year limited engine warranty, 5 year limited pump warranty, 10 year limited frame warranty

General
Color/Finish Family	Black	Hose Material	Polyester
Manufacturer Color/Finish	Black	Wheel Material	Heavy-duty polyurethane
Series Name	Pro Series with AAA Triplex Pump	Wheel Type	Pneumatic
Type	Pressure washer	Start Type	Manual
Power Source	Gas	Usage	Heavy-duty
Grade	Residential	Nozzle Type	Pro style tips with quick disconnect
Package Contents	Pressure Washer, Spray Gun, Spray Lance, Nozzles, Hose, Owner's Manual, Quick Set Up Guide, Engine Oil	Pump Type	Triplex

Dimensions
Engine Oil Capacity (oz.)	20.48	Battery Amp Hours	0
Fuel Capacity (Gallons)	1.6	Amperage	0
Hose Diameter	3/8-in	Cord Length (Feet)	0
Hose Length (Feet)	50	Width (Inches)	23.5
Weight (lbs.)	120	Height (Inches)	29
Depth (Inches)	38	Wheel Diameter (Inches)	13

Features
Adjustable Wand	No	Integrated Storage	No
Battery Recharge Time (Hours)	0	Interchangeable Wands	Yes
Battery Run Time (Hours)	0	Lowe's Exclusive	Yes
Brushless	Yes	Number of Batteries Included	0
Chemical/Detergent Injection	No	Number of Spray Tips Included	5
Corded/Cordless	Cordless	Pressure Rating (PSI)	4000
Detergent Tank Options	None	Quick Connect Tips	Yes
Engine Brand	CRX	Recommended Engine Oil	10W-40
Engine Horsepower	7.6	Soap Applicator Included	No
Engine Oil Included	Yes	Variable PSI	No
Engine Torque (Foot/lbs.)	15.4	Water Tank	No
Flow Rate (GPM)	3.5	Water Temperature	Cold
Includes Surface Cleaner	No	Wheels Included	Yes

Warranty
Warranty	3-year limited

Certifications
CA Residents: Prop 65 Warning(s)	Prop 65 WARNING(S) -	Safety Listing	Not safety listed
CARB Compliant	No

Miscellaneous
UNSPSC	47121800

Check out the Best Selling Pressure Washers on Lowes.com

Review

4.6 out of 5

2938 Reviews

65% Recommend this product

Ratings may include incentivized customer reviews.

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+ 138

What Customers Are Saying

Customers overwhelmingly praise this pressure washer for its powerful 3500 PSI performance, reliable first-pull starts, and exceptional cleaning results on driveways, patios, siding, and decks. Reviewers consistently highlight the lightweight, maneuverable design with pneumatic tires, quick assembly, and high-quality triplex pump and engine. Many emphasize the durability and long-term reliability, with the five-year pump and engine warranty plus ten-year frame warranty reinforcing confidence. A few report isolated pump failures or minor wand holder issues, but these concerns are vastly outweighed by strong satisfaction. Overall, most customers consider this a best-in-class investment for home cleaning.

Customer review summary generated by AI, including incentivized reviews.

3047 Customer Reviews

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Good one

Excellent product, would recommend to anyone who Need real power

Edf1985September 5, 2026

From simpsoncleaning.com

Easy to use

Works great for all my cleaning needs works great and easy to move around from cleaning fence to driveway

RitabugSeptember 5, 2026

From simpsoncleaning.com

Lots of power

Used for the first time today and loved all the pressure. Cleaned concrete drive quicker than any pressure washer I've ever had.

J.W. LaneSeptember 5, 2026

From simpsoncleaning.com

Gets it done quick

Cleaned my driveway in less that an hour , this thing gets it done . Especially with the surface max pro

Tc1269September 5, 2026

From simpsoncleaning.com

Well, put together pressure wash

The frame motor pump everything is great. I do recommend this. The tires are good. Everything is in great shape nice and clean. The hose is good. Came with all the nozzles easy to put together.

Gasgas RyanSeptember 5, 2026

From simpsoncleaning.com

GREAT PRESSURE WASHER

Gets the job done! Replaced electric with this one and it’s AWESOME

Reb1234September 5, 2026

From simpsoncleaning.com

Great pressure washer

I bought it today and it exceeded my expectations.

washer9September 5, 2026

From simpsoncleaning.com

Excellent!!

Would recommend after having a Briggs Stratton for 18+ years

Brian19760823September 5, 2026

From simpsoncleaning.com

This thing is a beast!

Was looking for a good pressure washer to clean my house and driveway with and this thing does the job and then some!

Aneeley15September 5, 2026

From simpsoncleaning.com

Works great

I bought this week. Works great on my decks and house.

Chris68September 5, 2026

From simpsoncleaning.com

36 Questions

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		Usage	Heavy-duty
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