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

Description

Zoom on the Generac XC4200W

In summary, the Generac XC4200W is a heavy duty, commercial pressure washer, that offers an all-around versatile cleaning experience, and also:

  • focused spot cleaning on hard, unpainted surfaces, accessing high spots, and efficiently eliminating stubborn stains
  • broad cleaning of hard surfaces, vehicle washing, and surface preparation for painting
  • soft cleaning of delicate surfaces, and gentle cleaning for larger areas 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

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.

Starting the Generac G-Force engine of this gas pressure washer involves using a conventional pull-start method.

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

Design & Handling

Featuring a wheelbarrow design, the Generac XC4200W prioritizes maneuverability and stability, ensuring smooth handling and reliable functionality in demanding cleaning applications. The welded steel frame's robustness ensures the assembly's longevity, maintaining stability and protecting internal components, even in the harshest environments. The folding handle enhances its mobility, while allowing for a convenient storage.

At 151 lbs, we can't really say that the unit is lightweight, and manually lifting or transporting it could be a significant challenge for users, especially if they need to move it frequently or navigate over uneven terrain. Its 420cc Generac G-Force engine, the triplex pump and welded steel frame add up to a large chunk of the device's weight. Nonetheless, the addition of three 10" never-flat wheels simplifies maneuvering the XC4200W, even across rough ground.

Main Features

The Generac XC4200W comes with a spray gun, a wand, a pressure hose, 5 nozzles and a detergent injection feature, which are detailed 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. Upon attaching a soap nozzle, the pressure washer seamlessly integrates the detergent into the water flow.
  • Pressure hose: This washer comes with an easy-to-connect 35 ft ⌀3/8" high-pressure hose (4200 PSI rating). However, it doesn't feature any proper storage solution for it (no reel, strap or hook).
  • Spray gun and wand: A side hook enables you to easily store 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: Find details on the 5 included nozzles and their recommended surface applications in the table below.


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>

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

Other Features

  • Onboard storage: The Generac XC4200W features a handy storage area, which allows you to neatly store nozzles and accessories and be always prepared by having everything needed at hand.
  • Safety: Safety of operation is enhanced by a thermal relief valve (which helps to prevent internal pump damage), a trigger lock mechanism (which prevents accidental operation) and a low oil protection.
  • 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 wand, soap hose, spray gun and pressure hose.

Product Video

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 $1200 to $1500 price range. If you're going after the highest possible power of the water stream, one of the best in this price range is the DeWalt DXPW4440 that can reach up to 4400 PSI.
  • In the aforementioned price range, the 4 GPM (gallons per minute) of this washer makes it one of the best performing units in terms of the delivered volume of water.
  • Featuring 16800 Cleaning Units (PSI X GPM) in total, the XC4200W ranks among the more efficient options in its respective price bracket. When it comes to the highest overall cleaning power in the current price range, one of the products at the very top currently is the DeWalt DXPW4440 and its 17600 Cleaning 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.

Features and Specifications

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