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Westinghouse WPX4400 - 4400 PSI 4.2 GPM 420cc Gas Pressure Washer

The Westinghouse WPX4400 is a gas-powered pressure washer offering a maximum water pressure of 4400 PSI and flow of 4.2 GPM. (Read full specs)

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Set an alert for the Westinghouse WPX4400 - Current lowest price: $899.00
Price History
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Price history for the Westinghouse WPX4400
Latest updates:
  • $899.00 - July 9, 2024
  • $1,399.99 - July 3, 2024
  • $899.00 - May 12, 2024
  • $898.00 - May 11, 2024
  • $899.00 - May 9, 2024
  • $895.00 - May 8, 2024
  • $875.00 - May 8, 2024
  • $899.00 - May 2, 2024
Data source: walmart.com
Since: March 13, 2024
  • Highest Price: $1,499.99 - April 21, 2024
  • Lowest Price: $875.00 - May 8, 2024

Features and Specifications

FuelGas-Powered
HandlingWheelbarrow
WaterCold (104°F max.)
PSI4400
GPM4.2
Cleaning Units18480
Engine420cc OHV 4-stroke
PumpTriplex
Pump materialBrass
FrameSteel tubing
Soap injectionVia siphon hose
Soap dilution12:1
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose50 ft, ⌀5/16
Hose storageHooks
Dimensions
(L x W x H)
Approx. 38 x 25 x 30 in
Weight142 lbs
Wheels2 wheels, ⌀12"
Included accessoriesOil, funnel, nozzle cleaner, steel wand, EnduraGrasp spray gun, high pressure hose, soap hose, 5 nozzles
SecurityTrigger lock and thermal relief valve
EmissionsCARB, EPA
Warranty3 years
UPC850032657693

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

Zoom on the Westinghouse WPX4400

In a nutshell, the Westinghouse WPX4400 is a heavy duty, commercial pressure washer, which not only offers an all-around versatile cleaning experience, but that also allows:

  • focused spot cleaning on hard, unpainted surfaces, accessing high spots, and efficiently eliminating stubborn stains
  • overall cleaning of hard surfaces, washing vehicles, and prepping surfaces for painting
  • gentle cleaning for sensitive surfaces, and wide coverage cleaning with low pressure
  • using cleaning solutions, and rinsing surfaces to remove residue

Its power characteristics and design, its main features and all its additional features are presented ahead.

Power

The Westinghouse WPX4400 in use

The Westinghouse WPX4400

Powered by a powerful 420cc engine, its brass triplex pump can deliver a pressure of 4400 PSI (around 73 times more than a standard garden hose) and a flow of up to 4.2 GPM (values claimed by the manufacturer). With these values combined, the Westinghouse WPX4400 boasts a cleaning power of 18480 Cleaning Units.

For this gas-powered pressure washer, the engine is started using a time-tested pull-start mechanism.

Fuel for the pressure washer is housed in a tank capable of holding up to 1.72 gallon of gasoline..

Design & Handling

The Westinghouse WPX4400's wheelbarrow-style design enhances both mobility and stability, enabling seamless navigation and consistent performance, even on rugged terrain. The durable steel tubing frame of the assembly ensures its longevity, providing stability and shielding internal components from damage, even in tough conditions. The reversible handle offers further versatility, as its different positions make the unit less bulky when stored.

With its hefty 142 lbs, this unit isn't exactly easy to handle, making manual lifting and transport quite a daunting task, especially on uneven terrain. Its 420cc engine, the triplex pump and steel tubing frame add up to a large chunk of the device's weight. Despite this, the presence of two 12" wheels reduces the complexity of moving the WPX4400, even on rugged surfaces.

Main Features

The Westinghouse WPX4400 in use

The Westinghouse WPX4400

The Westinghouse WPX4400'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: While the device doesn't feature a soap tank, detergent supply is ensured by a siphon hose. The detergent is diluted with a 12:1 ratio by the Westinghouse WPX4400's automatic soap dilution mechanism. When a soap nozzle is connected, the pressure washer takes the initiative to mix the detergent with the water flow automatically.
  • Pressure hose: With a set of convenient hooks, the unit offers a practical solution for maintaining workspace order, allowing the included 50 ft ⌀5/16" high-pressure hose to be neatly stored when idle.
  • Spray gun and wand: The included ergonomic EnduraGrasp spray gun and its steel wand can be easily stored in a side hook.
  • Nozzles: The table below shows you the 5 included nozzles and 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

Please note: The shapes of the nozzles depicted above are for illustration purposes and may vary. Symbols used include a red cross for 'Not recommended,' a green check for 'Suitable,' and an orange check for 'Use with caution.'

Other Features

The specs of the Westinghouse WPX4400

The Westinghouse WPX4400

  • Onboard storage: The Westinghouse WPX4400 allows you to be always fully prepared, as it features a handy storage area, where nozzles and accessories can be stored.
  • Safety: Safety of operation is enhanced by a trigger lock mechanism (which prevents accidental operation) and a thermal relief valve (which helps to prevent internal pump damage).
  • Accessories: The Westinghouse WPX4400 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 wand, nozzle cleaner, pressure hose, spray gun, soap hose, funnel and oil.

The Westinghouse WPX4400's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Westinghouse WPX4400 compare to similarly priced pressure washers.

  • With 4400 PSI, the Westinghouse WPX4400 ranks as one that can reach the highest pressure, amongst the gas-powered products that cost between $825 and $900.
  • With a water flow of up to 4.2 GPM (gallons per minute), this washer belongs to the best of the above-mentioned price range, as it can deliver a high volume of water.
  • With 18480 Cleaning Units (PSI X GPM), the WPX4400 ranks as among the most efficient devices in its price range.

Price comparison

As you can see from these interactive charts, when compared to other gas-powered washers between 18000 and 18500 Cleaning Units, the Westinghouse WPX4400 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
  • Triplex pump
  • Designed to be stable
  • Good range of nozzles included
  • Automatic detergent dilution
  • Onboard storage
  • Several security features
  • High PSI for the price
  • High GPM for the price
  • High CU for the price
WEAKNESSES:
  • No soap tank

Do you own the Westinghouse WPX4400 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

About Westinghouse

Since its founding in 1886 by George Westinghouse, the Westinghouse brand has become synonymous with electric power. With a wide-ranging product line supporting heavy industry, municipal power grids, and home appliances, the company has maintained innovation as one of its core values. Westinghouse has several partnerships and controlling stakes in media enterprises and manufacturing conglomerates worldwide, including Viacom and Electrolux. Products for the homeowner and contractor marketed under the Westinghouse brand are produced in facilities worldwide, and include outdoor power equipment such as pressure washers and portable generators.

Warranty Information

The Westinghouse WPX4400 is covered under a warranty for up to 3 years. This warranty may be limited and may not cover all parts of the unit.
For more information about the warranty of Westinghouse pressure washers, please consult Westinghouse's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-855-944-3571.

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