Generac XC4200W - 4200 PSI 4 GPM 420cc Gas Pressure Washer

The Generac XC4200W #8873 is a gas-powered pressure washer offering a maximum water pressure of 4200 PSI and flow of 4 GPM. (Read full specs)

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Generac XC4200W 4200PSI Gas Pressure WasherGenerac XC4200W 4200PSI Gas Pressure WasherGenerac XC4200W 4200PSI Gas Pressure WasherGenerac XC4200W 4200PSI Gas Pressure Washer

Features and Specifications

FuelGas-Powered
HandlingWheelbarrow
WaterCold (100°F max.)
PSI4200
GPM4
Cleaning Units16800
Engine420cc Generac G-Force OHV 4-stroke
PumpCAT Triplex
SeriesXC
Other model numbers8873
FrameWelded steel
Soap injectionVia siphon hose
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose35 ft, ⌀3/8
Hose storageNone
Dimensions
(L x W x H)
Approx. 51.5 x 23.3 x 32.5 in
Weight151 lbs
Pressure controlValve
Wheels3 wheels, ⌀10", never flat
Included accessoriesStainless steel wand, spray gun, high pressure hose, soap hose, 5 nozzles
SecurityLow oil, trigger lock and thermal relief valve
EmissionsEPA
Warranty3 years
UPC696471079852

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 Generac XC4200W

In a nutshell, the Generac XC4200W is a heavy duty, commercial pressure washer, which not only offers an all-around versatile cleaning experience, but that also allows:

  • precise spot cleaning of hard, unpainted surfaces, reaching elevated areas, and effectively removing 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 detergents and cleaning agents, and rinsing off 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

With a powerful 420cc engine, its triplex pump delivers a pressure of 4200 PSI (roughly 70 times more than a standard garden hose) and a flow of up to 4 GPM (values claimed by the manufacturer), resulting in the Generac XC4200W's cleaning power of 16800 Cleaning Units.

To start the Generac G-Force (opens in a new tab) engine of this gas-powered washer, users employ the familiar pull-start technique.

Fuel for the pressure washer is housed in a steel tank capable of holding up to 1.6 gallon of gasoline..

Design & Handling

Designed with a wheelbarrow configuration, the Generac XC4200W ensures improved mobility and stability, allowing for effortless movement and reliable operation on challenging surfaces. With its strong welded steel frame, the assembly is built to last, providing stability and safeguarding internal components, even in challenging environments. The folding handle enhances its mobility, while allowing for a convenient storage.

At 151 lbs, this unit's substantial weight makes it quite a challenge for users to lift and maneuver, particularly on uneven surfaces where its heft can become even more apparent. A key role in its final weight is played by its 420cc Generac G-Force engine, the triplex pump and welded steel frame. Nonetheless, the addition of three 10" never-flat wheels simplifies maneuvering the XC4200W, even across rough ground.

Main Features

Along with the Generac XC4200W 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: The XC4200W does not feature a traditional soap tank. Instead, the detergent is supplied by a siphon hose. For this purpose, it has an integrated 5 gallon bucket holder that can hold cleaning detergent or serve as an additional onboard storage for tools and accessories. This bucket holder can be folded to save storage space. The pressure washer automatically dispenses and mixes the detergent with the water when a soap nozzle is attached.
  • Pressure hose: With the included 35 ft ⌀3/8" high-pressure hose (4200 PSI rating), connecting to the unit is a breeze, simplifying the setup process. But, there is no proper storage solution designed for it (no reel, strap or hook).
  • Spray gun and wand: A side hook allows for an easy storage of the included classic ergonomic spray gun and its stainless steel wand. A rotating auxiliary side handle further improves both left-handed and right-handed users' comfort.
  • 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

Please be aware: The shapes of the depicted nozzles are for illustration purposes and may differ. Symbols utilized include a red cross indicating 'Not recommended,' a green check for 'Suitable,' and an orange check for 'Use with caution.'

Other Features

  • Onboard storage: The Generac XC4200W'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 low oil protection, a thermal relief valve (which helps to prevent internal pump damage) and a trigger lock mechanism (which prevents accidental operation).
  • Accessories: The Generac XC4200W 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 pressure hose, wand, spray gun and soap hose.

Product Videos

The Generac XC4200W's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Generac XC4200W compare to similarly priced pressure washers.

Note: Even though we couldn’t list its price on this page, our research indicates that some retailers sell this unit around $1470.

  • Able to deliver a maximum pressure of 4200 PSI, the Generac XC4200W is one of the gas-powered products that produce an above average water pressure, in the $1250 to $1600 price range. If you're seeking the strongest water stream, look no further than the Lifan LFQ4515E-CA, which delivers an impressive 4500 PSI.
  • Boasting a water flow of up to 4 GPM, this washer occupies a leading position in the price range mentioned above, ensuring a superior water volume.
  • The XC4200W, with its 16800 Cleaning Units (PSI X GPM) sits at the high end of the cleaning efficiency spectrum, when compared to other devices of similar price. If you consider the highest overall cleaning power as a really important factor, the Lifan LFQ4515E-CA and its 18000 Cleaning Units has one of the highest cleaning efficiency of all the similarly priced units.

Price comparison

As you can see from this interactive chart, when compared to other gas-powered washers between 16500 and 17000 Cleaning Units, the Generac XC4200W 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
  • Triplex pump
  • G-Force engine
  • Designed to be stable
  • Good range of nozzles included
  • Foldable bucket holder
  • Onboard storage
  • Several security features
  • High PSI for the price
  • High GPM for the price
  • High CU for the price
WEAKNESSES:
  • No pressure hose storage

Do you own the Generac XC4200W and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

About Generac

Founded in a garage in Wales, Wisconsin by Robert Kern and five employees, Generac has been a leader in power generation systems since 1959. In the early 1960s, Generac began producing electric generators for Sears and Roebuck Company. During the 1970s the company began to manufacture other outdoor power equipment such as electric chainsaws, pressure washers, and welders. Generac, now a subsidiary of CCMP Capital, continues to be headquartered in Waukesha, with manufacturing facilities in four other cities in Wisconsin USA.

Warranty Information

The Generac XC4200W 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 Generac pressure washers, please consult Generac's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-888-GENERAC (888-436-3722).

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