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

Features and Specifications

General
FuelGas-Powered
HandlingWheelbarrow
WaterCold (100°F max.)
PSI4200
GPM4
Cleaning Units16800
Engine420cc Generac G-Force OHV 4-stroke
PumpCAT Triplex
SeriesXC
Other model numbers8873
Features
FrameWelded steel
Soap injectionVia siphon hose
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose35 ft, ⌀3/8
Hose storageNone
Misc
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

We've taken extra care to research and verify each of the specifications above. That said, occasional mistakes or omissions are still possible. If you spot any missing or inaccurate information, feel free to suggest a correction so we can address it.

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Description

Zoom on the Generac XC4200W

The Generac XC4200W is a heavy duty, commercial pressure washer, that provides its users with an all-around versatile cleaning experience, and enables:

  • 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
  • gentle cleaning of delicate surfaces, and low pressure cleaning of larger areas
  • applying detergents or chemicals, and rinsing surfaces afterward

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 an impressive 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.

Initiating the Generac G-Force engine of this gas pressure washer is achieved through a classic pull-start process.

Gasoline is stored in a steel fuel tank with a maximum capacity of 1.6 gallon.

Design & Handling

With its wheelbarrow design, the Generac XC4200W delivers superior maneuverability and stability, facilitating easy transport and steady performance across various surfaces. The robust welded steel frame guarantees longevity of the assembly, providing stability and protection for internal components, even under demanding working conditions. The folding handle enhances its mobility, while allowing for a convenient storage.

Tipping the scales at 151 lbs, this unit's weight presents a notable challenge for users, especially when it comes to lifting and moving it, particularly over uneven ground. A key role in its final weight is played by its 420cc Generac G-Force engine, the triplex pump and welded steel frame. Nevertheless, with its three 10" never-flat wheels, users can manage the XC4200W with less difficulty, even over uneven terrain.

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 detergent is automatically mixed with the water flow by the pressure washer when a soap nozzle is connected.
  • Pressure hose: An easy-to-connect 35 ft ⌀3/8" high-pressure hose (4200 PSI rating) is included with the unit. 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. The gun features a rotating auxiliary side handle to further improve the comfort of both left and right-handed users.
  • 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, masonry/use>/use>/use>/use>/use>
Siding, gutters, house/use>/use>/use>/use>
Fencing, deck, patio/use>/use>/use>/use>
Lawn equipment, boat, RV/use>/use>/use>/use>

Kindly note: The shapes of the nozzles depicted above are for illustrative purposes and may vary. Symbols indicate suitability, with a signifying 'Not recommended,' a for 'Suitable,' and an for 'Use with caution.'

Other Features

  • Onboard storage: The Generac XC4200W 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 low oil protection, a thermal relief valve (which helps to prevent internal pump damage) and a trigger lock mechanism (which prevents accidental operation).
  • Accessories: Included with the Generac XC4200W are also the owner's manual (opens in a new tab) and some basic documentation to get you promptly started, along with several accessories, such as spray gun, wand, pressure hose 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.

  • Equipped to deliver up to 4200 PSI, the Generac XC4200W is recognized as one of the gas-powered models delivering higher-than-average water pressure, priced between $1200 and $1600. If the highest possible power of the water stream is your priority, one of the champions in this price range is the DeWalt DXPW4440 with 4400 PSI.
  • With a maximum GPM of 4 (gallons per minute), this washer belongs to the best in terms of water flow, in its respective price range.
  • With a total of 16800 Cleaning Units (PSI X GPM), the XC4200W stands as one of the most efficient devices in its price range. If the highest overall cleaning power is a priority, the DeWalt DXPW4440 and its 17600 Cleaning Units are notable for their higher potential cleaning efficiency compared to units in the same price range.

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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