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Generac XC4000W - Spec Breakdown

The Generac XC4000W #8872 is a gas-powered pressure washer offering a maximum water pressure of 4000 PSI and flow of 3.5 GPM. (Read full specs)

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Generac XC4000W 4000PSI Gas Pressure WasherGenerac XC4000W 4000PSI Gas Pressure WasherGenerac XC4000W 4000PSI Gas Pressure WasherGenerac XC4000W 4000PSI Gas Pressure Washer
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Set an alert for the Generac XC4000W - Current lowest price: $1,599.00
Price History
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Price history for the Generac XC4000W
Latest updates:
  • $1,599.00 - June 15, 2022
  • $1,581.58 - May 5, 2022
Data source: walmart.com
Since: May 5, 2022
  • Highest Price: $1,599.00 - June 15, 2022
  • Lowest Price: $1,581.58 - May 5, 2022

Features and Specifications

General
FuelGas-Powered
HandlingWheelbarrow
WaterCold (100°F max.)
PSI4000
GPM3.5
Cleaning Units14000
Engine389 cc Honda GX390 OHV 4-stroke
PumpCAT Triplex
Pump materialAluminum
SeriesXC
Other model numbers8872
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
Weight150 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
EmissionsCARB, EPA
Warranty3 years
UPC696471079845

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 XC4000W

In summary, the Generac XC4000W is a heavy duty, commercial pressure washer, that offers an all-around versatile cleaning experience, and also:

  • spot cleaning of hard, paintless surfaces and reaching far-away areas
  • intense cleaning of tough, paintless surfaces
  • cleaning of painted and fragile surfaces
  • application of detergent and cleaning solutions

Ahead are presented its power characteristics and design, its main features and any other additional features.

Power

Its aluminum triplex pump, which utilizes a powerful 389 cc engine, may deliver a pressure of up to 4000 PSI (almost 67 times more than a standard garden hose) and a flow of up to 3.5 GPM. These values correspond to a cleaning power of 14000 Cleaning Units.

The Honda GX390 engine of this gas-powered pressure washer gets started by a classic pull-start mechanism.

The fuel is stored in a steel tank, which can hold up to 1.52 gallon of gasoline.

Design & Handling

The wheelbarrow design of the Generac XC4000W grants mobility and stability to the unit. The strong welded steel frame assures assembly longevity. The folding handle enhances its mobility, while allowing for a convenient storage.

The device weighs 150 lbs and thus, is far from lightweight. Transporting and manually lifting it may therefore pose a challenge. The main contributors to its weight are its 389 cc Honda GX390 engine, the triplex pump and welded steel frame. However, the unit is manipulated smoothly thanks to its three 10" never-flat wheels, which play a key role in its maneuverability.

Main Features

Along with the Generac XC4000W 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 XC4000W 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 will be added automatically to the water when a soap nozzle is attached.
  • Pressure hose: This washer comes with an easy-to-connect 35 ft ⌀3/8" high-pressure hose (4200 PSI rating). But, there is no proper storage solution designed for it (no reel, strap or hook).
  • Spray gun and wand: Both the classic ergonomic spray gun and its stainless steel wand may be conveniently stored in a side hook. A rotating auxiliary side handle further improves both left-handed and right-handed users' comfort.
  • Nozzles: The 5 included nozzles, and the respective surfaces they’re appropriate for, are listed in the table below.
 


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

  • Onboard storage: The Generac XC4000W'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 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 XC4000W 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, pressure hose and spray gun.
  • Emissions: The Generac XC4000W is EPA-approved and CARB-compliant. And so, this pressure washer is available for sale and purchase in any of the 50 states, including California.

The Generac XC4000W's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Generac XC4000W compare to similarly priced pressure washers.

  • The Generac XC4000W, which can reach up to 4000 PSI, has one of the higher pressure outputs of the gas-powered units that cost between $1350 and $1700. If the highest possible power of the water stream is your priority, one of the champions in this price range is the Stihl RB 800 with 4200 PSI.
  • The achievable water flow of this washer, which reaches 3.5 GPM (gallons per minute) can be described as low, compared to other devices in its price range. If you’re after the highest rinsing efficiency, one of the units with the highest water flow in the current price range is the NorthStar 157130, that can deliver up to 5 GPM.
  • The XC4000W ranks as below average in terms of Cleaning Units, compared to gas-powered devices in its price range, reaching only a value of 14000 CU (PSI x GPM). In case you are looking for the highest overall cleaning power, in this price range, one of the current champions is the Stihl RB 800 and its 16800 Cleaning Units.

Price comparison

As you can see from this interactive chart, when compared to other gas-powered washers between 14000 and 14500 Cleaning Units, the Generac XC4000W 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
  • Honda engine
  • Designed to be stable
  • Good range of nozzles included
  • Foldable bucket holder
  • Onboard storage
  • Several security features
  • CARB-compliant
  • High PSI for the price
WEAKNESSES:
  • No pressure hose storage
  • Low GPM for the price
  • Low CU for the price

Do you own the Generac XC4000W 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 XC4000W 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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