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Sun Joe SPX4000 - Spec Breakdown

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)

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Sun Joe SPX4000 2030PSI Electric Pressure WasherSun Joe SPX4000 2030PSI Electric Pressure WasherSun Joe SPX4000 2030PSI Electric Pressure Washer
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Set an alert for the Sun Joe SPX4000 - Current lowest price: $189.00
Price History
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Price history for the Sun Joe SPX4000
Latest updates:
  • $189.00 - November 17, 2021
  • $175.20 - November 4, 2021
  • $199.00 - October 24, 2021
  • $218.77 - October 22, 2021
  • $157.85 - October 18, 2021
  • $218.77 - October 13, 2021
  • $157.85 - October 10, 2021
  • $174.73 - August 23, 2021
Data source: walmart.com
Since: August 18, 2021
  • Highest Price: $218.77 - October 13, 2021
  • Lowest Price: $157.85 - October 10, 2021

Features and Specifications

General
FuelElectric
HandlingHand Truck
WaterCold (104°F max.)
PSI (max/rated)2030/1450
GPM (max/rated)1.76/1.24
Cleaning Units3572.8
Motor14.5 amp
PumpAxial
Features
FrameMetal
Soap injectionYes
Soap tank0.4 gal, removable
Soap dilutionWheel
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose20 ft, ⌀1/4
Hose storageHooks
Misc
Dimensions
(D x W x H)
Approx. 21.2 x 19.3 x 36.6 in
Weight27.8 lbs
Pressure controlYes
Wheels2 wheels, ⌀8"
Included accessoriesNozzle cleaner, wand, spray gun, high pressure hose, 35 ft GFCI power cord, 5 nozzles
SecurityTrigger lock
Warranty2 years

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.

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Description

Featuring Sun Joe’s exclusive Pressure-Select Technology, the SPX4000 lets you pick the perfect pressure to combat dirt and grime with professional results, and a Total Stop power-saving system designed to save energy and prolong pump life when the trigger is not engaged. (source: Sun Joe (opens in a new tab))

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, paint-free surfaces and out-of-reach areas
  • thorough cleaning of hard, paint-free surfaces
  • cleaning of painted or delicate surfaces
  • application of detergent and cleaning solutions

The following sections will present you in detail its power characteristics and design, its main features and all the additional features it has to offer.

Power

The Sun Joe SPX4000 in use

The Sun Joe SPX4000

Using a 14.5 amp 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.

Since it is an electric pressure washer, the motor of the SPX4000 is started simply 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

With its hand truck design and approximate dimensions of D21.2 x W19.3 x H36.6 in, the Sun Joe SPX4000 provides great mobility. The strong metal frame assures assembly longevity. 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.

Main Features

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 is stored in a removable 0.4 gal tank. The detergent dilution ratio can be manually selected, using a dial. The detergent will be added automatically to the water when a soap nozzle is attached.
  • Pressure hose: The included 20 ft ⌀1/4" high-pressure hose can be neatly stored on the unit when idle thanks to 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 table below shows you the 5 included nozzles, as well as the surfaces they're the most appropriate for.
 


15°

25°

40°

Soap
Concrete, brick, masonryUse with cautionSuitableSuitableSuitableSuitable
Siding, gutters, houseNot recommendedUse with cautionUse with cautionSuitableSuitable
Fencing, deck, patioNot recommendedUse with cautionUse with cautionSuitableSuitable
Lawn equipment, boat, RVNot recommendedUse with cautionUse with cautionUse with cautionSuitable

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.

Other Features

The specs of the Sun Joe SPX4000

The Sun Joe SPX4000

  • 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 SPX4000's handy storage area lets you store nozzles and accessories, and thus, you’ll be always prepared and have everything necessary for the job at hand.
  • Safety: Safety of operation is enhanced by a trigger lock mechanism (which prevents accidental operation).
  • Accessories: On top of an owner's manual (opens in a new tab) and the usual documentation to get you swiftly started, the Sun Joe SPX4000 also comes with nozzle cleaner, wand, pressure hose, spray gun and power cord.

Product Videos

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.

  • The Sun Joe SPX4000, with a maximum pressure output of 2030 PSI, has an average pressure output, when considering electric units in $170 to $220 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 Sun Joe SPX4600 that can reach up to 3000 PSI.
  • The water flow of this washer, which reaches up to 1.76 GPM (gallons per minute) is one of the higher values found in the above-mentioned price range. If rinsing away debris most efficiently is your priority, one of the devices with the highest GPM in this price range is the Sun Joe SPX2005P, which can reach up to 1.8 GPM.
  • Boasting with 3572.8 Cleaning Units (PSI x GPM), the SPX4000 is one of the more efficient devices in its respective price range. In case you are looking for the highest overall cleaning power, in this price range, one of the current champions is the Realm BY02-BIMK and its 4550 Cleaning Units.

Price comparison

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.

The bottom line

STRENGTHS:
  • In the expected price range
  • Good range of nozzles included
  • Detergent dilution mechanism
  • Onboard storage
  • High GPM for the price
  • High CU for the price
AVERAGE SPECS:
  • Decent PSI for the price
WEAKNESSES:
  • The Sun Joe SPX4000 doesn't have any notably low specs.

Do you own the Sun Joe SPX4000 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

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.

Warranty Information

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).

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