The Sun Joe SPX4001 is an electric pressure washer offering a maximum water pressure of 2030 PSI and flow of 1.76 GPM. (Read full specs)
Zoom on the Sun Joe SPX4001
The Sun Joe SPX4001, a medium duty pressure washer, gives its user an all-around versatile cleaning experience, topped off by the following features:
- spot cleaning of hard, unpainted surfaces or high reach areas
- intense cleaning of tough, paintless surfaces
- cleaning of painted or delicate surfaces
- use of detergent and cleaning solutions
Using a 14.5 amp universal motor, its axial pump delivers a pressure of up to 2030 PSI (roughly 34 times more than a standard garden hose) and a flow of up to 1.76 GPM. Together, the values result in a cleaning power of 3572.8 Cleaning Units.
As it is an electric pressure washer, the motor of the SPX4001 gets easily started by a simple ON/OFF switch. The unit is ready-to-use with peace of mind, thanks to the included 35 ft GFCI cord.
Design & Handling
The Sun Joe SPX4001 offers superb mobility, with a hand truck design and approximate dimensions of D21.2 x W19.3 x H36.6 in. The strong metal frame assures assembly longevity. The foam-padded fixed handle adds to the SPX4001 convenience of transport, while offering a comfortable grip.
Since the unit weighs only 32.4 lbs, it is very easily carried around. As if this lightweight wasn't enough, the device also features two 8" wheels to further improve its ease of use and of transport.
The Sun Joe SPX4001's package includes a spray gun, a wand, a pressure hose, 5 nozzles and a detergent injection feature, with a more detailed description below.
- Soap injection: Detergent is stored in a removable 0.4 gal tank. The device has a dial which allows you to manually select the detergent dilution ratio. Whenever a soap nozzle is connected, the detergent is automatically added to the water.
- Pressure hose: The 20 ft ⌀1/4" high-pressure hose, which is included with the device, can be stored neatly on the unit itself when idle, using a convenient hose reel, which also improves its lifespan.
- Spray gun and wand: A side hook allows for an easy storage of the included classic ergonomic spray gun and its wand.
- Nozzles: The table below shows you the 5 included nozzles, as well as the surfaces they're the most appropriate for.
|Concrete, brick, masonry||Use with caution||Suitable||Suitable||Suitable||Suitable|
|Siding, gutters, house||Not recommended||Use with caution||Use with caution||Suitable||Suitable|
|Fencing, deck, patio||Not recommended||Use with caution||Use with caution||Suitable||Suitable|
|Lawn equipment, boat, RV||Not recommended||Use with caution||Use with caution||Use with caution||Suitable|
Note: The shape of the nozzles above is for illustration purposes only and may differ.
Red cross: Not recommended. Green check: Suitable. Orange check: Use with caution.
- Total Stop System (TSS): This feature automatically shuts off the pressure washer when the trigger is not engaged, to prolong the pump's lifespan.
- Onboard storage: The Sun Joe SPX4001 features a handy storage area, which allows you to neatly store nozzles and accessories and be always prepared by having everything needed at hand.
- Safety: Safety of operation is enhanced by a trigger lock mechanism (which prevents accidental operation).
- Accessories: The Sun Joe SPX4001 comes with an owner's manual (opens in a new tab) and some basic documentation to get you quickly started. On top of that, you also get nozzle cleaner, power cord, pressure hose, spray gun and wand.
The Sun Joe SPX4001's performance versus other pressure washers
The following charts are provided to give you an idea of how the key specs of the Sun Joe SPX4001 compare to similarly priced pressure washers.
- The Sun Joe SPX4001, reaching a PSI of up to 2030, is one of the more powerful electric units in $120-160 price range. If you're going after the highest possible power of the water stream, one of the best in this price range is the Realm BY03-VBP-WTR that can reach up to 2400 PSI.
- Considering the above-mentioned price range, this washer's maximum water flow of 1.76 GPM (gallons per minute) is higher than the average. If you’re after the highest rinsing efficiency, one of the units with the highest water flow in the current price range is the Sun Joe SPX2866-MAX, that can deliver up to 1.8 GPM.
- The SPX4001, which reaches up to 3572.8 Cleaning Units (PSI x GPM) is one of the more efficient, in comparison to its similarly priced counterparts. When it comes to the highest overall cleaning power in the current price range, one of the products at the very top currently is the Realm BY03-VBP-WTR and its 4200 Cleaning Units.
Here's a list of the most popular specific comparisons:
As you can see from this interactive chart, when compared to other electric washers between 3500 and 4000 Cleaning Units, the Sun Joe SPX4001 is on the cheap side of the price range.
It can therefore be a really good buy if you're looking to acquire a budget pressure washer.
Features and Specifications
|Water||Cold (104°F max.)|
|Motor||14.5 amp, universal|
|Soap tank||0.4 gal, removable|
|Nozzles||0°, 15°, 25°, 40°, Soap|
|Quick connect nozzles||Yes|
|Hose||20 ft, ⌀1/4|
(D x W x H)
|Approx. 21.2 x 19.3 x 36.6 in|
|Wheels||2 wheels, ⌀8"|
|Included accessories||Nozzle cleaner, wand, spray gun, high pressure hose, 35 ft GFCI power cord, 5 nozzles|
Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.
About Sun Joe
Sun Joe is the brand that the parent Snow Joe Company uses to market its line of summertime outdoor power equipment. Founded in 1994 in Edison, NJ, Snow Joe + Sun Joe has consistently supplied do-it-yourselfers with quality corded electric and battery-powered tools for home and gardening needs. The company strives to be ecologically friendly and prides itself on innovation and low-cost solutions. Their range of products includes snow throwers, lawn mowers, pressure washers, and trimmers. The design team is located in Carlstadt, NJ, while the manufacturing facilities are located in China, India, Taiwan, Japan, as well as in the USA.
The Sun Joe SPX4001 is covered under a warranty for up to 2 years. This warranty may be limited and may not cover all parts of the unit.
For more information about the warranty of Sun Joe pressure washers, please consult Sun Joe's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-866-SNOWJOE (866-766-9563).