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Westinghouse WPX3800 - 3800 PSI 3.6 GPM 274cc Gas Pressure Washer

The Westinghouse WPX3800 is a gas-powered pressure washer offering a maximum water pressure of 3800 PSI and flow of 3.6 GPM. (Read full specs)

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Price History
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Price history for the Westinghouse WPX3800
Latest updates:
  • $729.00 - April 25, 2024
  • $364.50 - April 24, 2024
Data source: walmart.com
Since: April 24, 2024
  • Highest Price: $729.00 - April 25, 2024
  • Lowest Price: $364.50 - April 24, 2024

Features and Specifications

FuelGas-Powered
HandlingWheelbarrow
WaterCold (104°F max.)
PSI3800
GPM3.6
Cleaning Units13680
Engine274cc OHV 4-stroke
PumpTriplex
Pump materialBrass
FrameSteel tubing
Soap injectionYes
Soap tank0.8 gal
Soap dilution12:1
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose35 ft, ⌀5/16
Hose storageHooks
Dimensions
(L x W x H)
Approx. 34 x 21 x 28 in
Weight91 lbs
Wheels2 wheels, ⌀10"
Included accessoriesOil, funnel, nozzle cleaner, steel wand, spray gun, high pressure hose, 5 nozzles
SecurityTrigger lock and thermal relief valve
EmissionsCARB, EPA
Warranty3 years
UPC850032657679

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 WPX3800

In a nutshell, the Westinghouse WPX3800 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
  • complete cleaning of hard surfaces, vehicle washing, and surface prep for painting
  • mild cleaning for delicate surfaces, and low-pressure cleaning for broader areas
  • applying detergent and cleaning solutions, and rinsing surfaces

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 Westinghouse WPX3800 in use

The Westinghouse WPX3800

The Westinghouse WPX3800's brass triplex pump, powered by a powerful 274cc engine, can provide a pressure of up to 3800 PSI (approximately 63 times more than a standard garden hose) and a flow of up to 3.6 GPM (values claimed by the manufacturer). Thus, the Westinghouse WPX3800 achieves a cleaning power of 13680 Cleaning Units.

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

Containing gasoline, the pressure washer's fuel tank can hold a maximum of 1.32 gallon..

Design & Handling

With its wheelbarrow design, the Westinghouse WPX3800 delivers superior maneuverability and stability, facilitating easy transport and steady performance across various surfaces. 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 91 lbs, this unit isn't exactly easy to handle, making manual lifting and transport quite a daunting task, especially on uneven terrain. The major reasons for its heavy weight are its 274cc engine, the triplex pump and steel tubing frame. Despite this, the presence of two 10" wheels reduces the complexity of moving the WPX3800, even on rugged surfaces.

Main Features

Along with the Westinghouse WPX3800 itself, the package also includes a spray gun, a wand, a pressure hose, 5 nozzles and a detergent injection feature, which are discussed in further detail below.

  • Soap injection: Detergent storage is ensured by a 0.8 gal tank. The detergent is diluted with a 12:1 ratio by the Westinghouse WPX3800's automatic soap dilution mechanism. Upon attaching a soap nozzle, the pressure washer seamlessly integrates the detergent into the water flow.
  • Pressure hose: With a set of convenient hooks, the unit offers a practical solution for maintaining workspace order, allowing the included 35 ft ⌀5/16" high-pressure hose to be neatly stored when idle.
  • Spray gun and wand: Both the classic ergonomic spray gun and its steel wand may be conveniently stored in a side hook.
  • Nozzles: Below, you'll find a table outlining the 5 included nozzles and their recommended surfaces.


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 Westinghouse WPX3800

The Westinghouse WPX3800

  • Onboard storage: Stay prepared for any job with Westinghouse WPX3800'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) and a thermal relief valve (which helps to prevent internal pump damage).
  • Accessories: On top of an owner's manual (opens in a new tab) and the usual documentation to get you swiftly started, the Westinghouse WPX3800 also comes with nozzle cleaner, oil, spray gun, wand, funnel and pressure hose.

The Westinghouse WPX3800's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Westinghouse WPX3800 compare to similarly priced pressure washers.

  • The Westinghouse WPX3800, with a max water pressure of 3800 PSI, has one of the highest pressure outputs of the gas-powered products in the $675-800 price range.
  • Featuring a water flow of up to 3.6 GPM, this washer ranks among the top performers in the price range mentioned above, delivering a substantial volume of water.
  • With 13680 Cleaning Units (PSI X GPM), the WPX3800 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 13500 and 14000 Cleaning Units, the Westinghouse WPX3800 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:
  • The Westinghouse WPX3800 doesn't have any notably low specs.

Do you own the Westinghouse WPX3800 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 WPX3800 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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