The Simpson Pro Series 3700 PSI Pressure Washer Power’s Through Tough Grime With Ease
We’ve been testing Simpson pressure washers for years and have come to appreciate their quality and value. As one of the largest, most vertically integrated gas-powered pressure washer manufacturers in North American, they’re getting even better with new Simpson Pro series pressure washers. We’ve got our hands on the latest Simpson Pro Series 3700 PSI Pressure Washer to see what sets it apart from the competition.
Pros
- Compact profile
- Excellent hose and accessory management
- Low-oil shutoff
- Lightweight design
- Easy setup
Cons
- No significant drawbacks
Simpson Pro Series 3700 PSI Pressure Washer Performance
- PSI: 3700 PSI
- Flow Rate: 2.5 GPM
- Nozzles: 0°, 15°, 25°, 40°, and soap nozzle
Cleaning Power
This Simpson Pro Series PSI pressure washer is powered by their OEM CRX225 engine, capable of producing 3,700 PSI with a peak flow rate of 2.5 GPM. It’s ideal for medium to heavy-duty cleaning applications such as deck cleaning, wood restoration, paint preparation, graffiti removal, and all other professional cleaning services.
The biggest difference you’ll notice between this Simpson PS61370 pressure washer and something like the Simpson Pro Series 4000 PSI model is how fast you can clean, rather than what you can clean. That simply boils down to PSI vs GPM when considering which model is best suited for your needs.
Simpson Pro Series 3700 PSI Pressure Washer Design Notes
- Model: Simpson PS61370
- Engine: CRX 225 engine
- Fuel Type: Gasoline
- Pump: AAA Triplex
- Hose Type: Steel-braided Morflex 5/16 in x 50 ft Hose
- Oil Type: 10W-30
- Oil Capacity: 20.48 oz.
- Tires: 10 in. pneumatic
Profile
Simpson opted for a corrosion-resistant, powder-coated steel tube frame for their construction. This choice is critical in prolonging the operational lifespan of your machine, especially when handling chemical-intensive cleaning processes.
The compact open-frame design ensures easy access to the engine and other critical components, such as the oil reservoir and pump. Additionally, the hose and accessory management systems are designed well and allow you to maintain an organized workspace.
Pump
The AAA triplex pump featured on this Pro series pressure washer is ideal for medium-duty professional and residential use. These pumps undergo CETA CPC-100 certification testing for pressure and flow, giving us a tremendous amount of confidence that the ratings Simpson gives are what we’ll experience in the field. Moreover, the PSI is adjustable, so you can customize it to fit your needs.
Simpson CRX Engine
The CRX engines are designed for heavy-duty professional and residential use. It has all the key features Pros looks for, including easy starting, reliable performance, and a low oil engine shutdown. The team that developed the CRX engine is so confident in its long-term reliability that it includes a 5-year warranty—the best in the industry and two years longer than what Honda offers.
These engines aren’t just for pressure washers, though. There are also generators, semi-trash pumps, and chemical pumps that come with CRX engines. Plus, they’re an excellent option when it’s time to repower other equipment.
Simpson Pro Series 3700 PSI Pressure Washer Price
The Simpson PS61370 retails for $649 and comes with a 50-foot 5/16-inch MorFlex kink and abrasion resistant hose as well as 0°, 15°, 25°, 40°, and soap nozzles. Simpson backs your purchase with a 5-year pump warranty, 5-year engine warranty, and a 10-year warranty on the frame.
The Bottom Line
Overall, the Simpson Pro Series 3700 PSI Pressure Washer displayed confident cleaning power that spans the needs of both Pros and serious DIYers. There are some limitations when it comes to using cleaning implements, such as a large surface cleaner, but this class is incredibly useful at home and around the jobsite. If you’re on the hunt for a compact and capable pressure washer, Simpson has your back!
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