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)
Zoom on the Sun Joe SPX4000
The Sun Joe SPX4000 is a medium duty pressure washer, that provides its users with an all-around versatile cleaning experience, and enables:
- spot cleaning of hard, paintless surfaces and reaching far-away areas
- thorough cleaning of hard, paint-free surfaces
- cleaning of painted or delicate surfaces
- application of detergent and cleaning solutions
With a 14.5 amp motor, its axial pump delivers a pressure of 2030 PSI (roughly 34 times more than a standard garden hose) and a flow of up to 1.76 GPM, resulting in the Sun Joe SPX4000's cleaning power of 3572.8 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 is very mobile, due to its hand truck design and approximate dimensions of D21.2 x W19.3 x H36.6 in. The robust metal frame guarantees longevity of the assembly. The foam-padded fixed handle adds to the SPX4000 convenience of transport, while offering a comfortable grip.
Since the unit weighs only 27.8 lbs, it is very easily carried around. On top of its light weight, the transportability and easy of use of this model is further improved by the addition of two 8" wheels.
The Sun Joe SPX4000'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 storage is ensured by a removable 0.4 gal tank. The unit features a dial to allow you to manually choose the detergent dilution ratio. If a soap nozzle is attached, the device will proceed to add the detergent to the water automatically.
- 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 set of convenient hooks.
- Spray gun and wand: A side hook enables you to easily store the included classic ergonomic spray gun and its wand.
- Nozzles: The 5 nozzles included with the device, and the respective surfaces which they’re the most suitable for, are shown in the following table.
|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: With the Sun Joe SPX4000's handy storage area, you’ll always have all the necessary nozzles and accessories at hand and thus, you’ll be fully prepared for any job.
- Safety: Safety of operation is enhanced by a trigger lock mechanism (which prevents accidental operation).
- Accessories: Besides the usual owner's manual (opens in a new tab) and documentation to get you promptly started, the Sun Joe SPX4000 comes with nozzle cleaner, pressure hose, spray gun, wand and power cord.
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.
- With a maximum pressure output of 2030 PSI, the Sun Joe SPX4000 finds itself in the expected pressure range among electric units that cost between $150 and $200. As for the device with the most powerful water stream, in this price range, one of the top products is the Sun Joe SPX3000-MAX with 2800 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, which reaches up to 3572.8 Cleaning Units (PSI x GPM) is one of the more efficient, in comparison to its similarly priced counterparts. If you consider the highest overall cleaning power as a really important factor, the Realm BY02-BIMK and its 4550 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 3500 and 4000 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.
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.
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).