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Sun Joe SPX4003 Spec Review

The Sun Joe SPX4003 is an electric pressure washer offering a maximum water pressure of 2200 PSI and flow of 1.6 GPM. (Read full specs)

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Sun Joe SPX4003 2200PSI Electric Pressure WasherSun Joe SPX4003 2200PSI Electric Pressure WasherSun Joe SPX4003 2200PSI Electric Pressure Washer
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Description

eaturing Sun Joe’s exclusive Pressure-Select Technology, the SPX4003 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 SPX4003

In a nutshell, the Sun Joe SPX4003 is a medium duty pressure washer, which not only offers an all-around versatile cleaning experience, but that also allows:

  • spot cleaning of hard, unpainted surfaces or high reach areas
  • cleaning of painted or delicate surfaces

Ahead are presented its power characteristics and design, its main features and any other additional features.

Power

The Sun Joe SPX4003 in use

The Sun Joe SPX4003

Its axial pump, which utilizes a 14.5 amp motor, may deliver a pressure of up to 2200 PSI (almost 37 times more than a standard garden hose) and a flow of up to 1.6 GPM. These values correspond to a cleaning power of 3520 Cleaning Units.

The SPX4003 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 SPX4003 offers superb mobility, with a hand truck design and approximate dimensions of D21 x W19 x H37 in. The robust metal frame guarantees longevity of the assembly. The foam-padded fixed handle adds to the SPX4003 convenience of transport, while offering a comfortable grip.

The unit can be very easily carried around, as it weighs just 27.3 lbs. A set of two 8" wheels also improves the ease of transport of the device.

Main Features

Along with the Sun Joe SPX4003 itself, the package also includes a spray gun, a wand, a pressure hose and a detergent injection feature, which are discussed in further detail below.

  • Soap injection: Detergent storage is ensured by a removable 0.42 gal tank. The device has a dial which allows you to manually select the detergent dilution ratio. Detergent is automatically added to the water when the unit is set to low pressure mode and to the 'Fan Spray' pattern.
  • Pressure hose: The included 20 ft high-pressure hose can be neatly stored on the unit when idle thanks to a set of convenient hooks.
  • Spray gun and wand: The included classic ergonomic spray gun and its versatile wand can be easily stored in a side hook. Sun Joe's adjustable wand removes the need for different nozzles. By turning the pressure adjustment knob, it is possible to easily change the water pressure from an intense, 0° jet spray to a gentle, 45° fan spray.

Other Features

The specs of the Sun Joe SPX4003

The Sun Joe SPX4003

  • Total Stop System (TSS): This feature automatically shuts off the pressure washer when the trigger is not engaged, to prolong the pump's lifespan.
  • 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 SPX4003 also comes with wand, nozzle cleaner, power cord, pressure hose and spray gun.

Product Video

The Sun Joe SPX4003'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 SPX4003 compare to similarly priced pressure washers.

  • Able to deliver a maximum pressure of 2200 PSI, the Sun Joe SPX4003 is one of the electric products that produce an above average water pressure, in the $150 to $170 price range. In case you are looking for a device with the highest possible power of its water stream, one of the top achievers in this price range is the Realm BY03-VBP-WTR with a PSI of 2400.
  • Considering the above-mentioned price range, this washer's maximum water flow of 1.6 GPM (gallons per minute) is higher than the average. If maximum rinsing efficiency is your top priority, one of the devices with the highest water flow in the same price range is the Sun Joe SPX2866-MAX, with a GPM of 1.8.
  • Reaching up to 3520 Cleaning Units (PSI x GPM), the SPX4003 is one of the more efficient amongst its similarly priced peers. If the highest overall cleaning power is your top priority, the Realm BY03-VBP-WTR, which can reach up to 4200 Cleaning Units, is one of the most efficient of the devices in the current price range.

Here's a list of the most popular specific comparisons:

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 SPX4003 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.

The bottom line

STRENGTHS:
  • Inexpensive
  • Detergent dilution mechanism
  • High PSI for the price
  • High GPM for the price
  • High CU for the price
WEAKNESSES:
  • The Sun Joe SPX4003 doesn't have any notably low specs.

Do you own the Sun Joe SPX4003 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
FuelElectric
HandlingHand Truck
WaterCold (104°F max.)
PSI (max/rated)2200/1600
GPM (max/rated)1.6/1.1
Cleaning Units3520
Motor14.5 amp
PumpAxial
Features
FrameMetal
Soap injectionYes
Soap tank0.42 gal, removable
Soap dilutionWheel
NozzlesN/A
Quick connect nozzlesYes
Onboard storageNo
Hose20 ft
Hose storageHooks
Misc
Dimensions
(D x W x H)
Approx. 21 x 19 x 37 in
Weight27.3 lbs
Pressure controlYes
Wheels2 wheels, ⌀8"
Included accessoriesNozzle cleaner, adjustable wand, spray gun, high pressure hose, 35 ft GFCI power cord
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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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 SPX4003 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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