The Sun Joe SPX4000 is an electric pressure washer offering a maximum water pressure of 2030 PSI and flow of 1.76 GPM. (Read full specs)
Features and Specifications
|Water||Cold (104°F max.)|
|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.
Zoom on the Sun Joe SPX4000
The Sun Joe SPX4000, 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 and high-reach cleaning
- thorough cleaning of hard, paint-free surfaces
- cleaning of painted and fragile surfaces
- applying detergent and cleaning solutions
The Sun Joe SPX4000's axial pump, powered by a 14.5 amp motor, can provide a pressure of up to 2030 PSI (approximately 34 times more than a standard garden hose) and a flow of up to 1.76 GPM. These are the maximum values that the washer can reach only under specific conditions. Under typical load, working pressure is 1450 PSI and rated flow is 1.24 GPM. The Sun Joe SPX4000 thus has a cleaning power of 1798 Cleaning Units.
The SPX4000 is an electric pressure washer and thus, can be easily started by an 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 SPX4000 offers superb mobility, with a hand truck design and approximate dimensions of D21.2 x W19.3 x H36.6 in. Its sturdy metal frame provides longevity to the assembly. The foam-padded fixed handle adds to the SPX4000 convenience of transport, while offering a comfortable grip.
With a weight of only 27.8 lbs, the unit is very easy to carry around. To further improve its transportability and ease of use, the unit also features a set of two 8" wheels.
The Sun Joe SPX4000 comes with a spray gun, a wand, a pressure hose, 5 nozzles and a detergent injection feature, which are detailed below.
- Soap injection: Detergent storage is ensured by a removable 0.4 gal tank. The device has a dial which allows you to manually select the detergent dilution ratio. The detergent is automatically added to the water when a soap nozzle is connected.
- Pressure hose: A neat storage for the included 20 ft ⌀1/4" high-pressure hose is facilitated by a set of convenient hooks.
- 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: Stay prepared for any job with Sun Joe SPX4000's handy storage area, which allows you to neatly store any nozzles and accessories which you may need for the job.
- Safety: Safety of operation is enhanced by a trigger lock mechanism (which prevents accidental operation).
- Accessories: Included with the Sun Joe SPX4000 are also the owner's manual (opens in a new tab) and some basic documentation to get you promptly started, along with several accessories, such as nozzle cleaner, power cord, wand, spray gun and pressure hose.
The Sun Joe SPX4000'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 SPX4000 compare to similarly priced pressure washers.
- Reaching a 2030 PSI max pressure output, the Sun Joe SPX4000 has an expected pressure value, compared to the other electric units in the $170 to $200 price range. As for the device with the most powerful water stream, in this price range, one of the top products is the Sun Joe SPX3501 with 2300 PSI.
- In the aforementioned price range, the 1.76 GPM (gallons per minute) of this washer makes it one of the best performing units in terms of the delivered volume of water.
- The SPX4000 has 1798 Cleaning Units, which can be considered low in comparison to other electric devices of this price. If you consider the highest overall cleaning power as a really important factor, the Stanley SHP2150 and its 3010 Cleaning Units has one of the highest cleaning efficiency of all the similarly priced 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 1500 and 2000 Cleaning Units, the Sun Joe SPX4000 is on the average side of the price range.
Therefore, this pressure washer nicely fits in the expected budget for this kind of cleaning power.
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 SPX4000 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).