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Kärcher G2900X Spec Review

The Kärcher G2900X is a gas-powered pressure washer offering a maximum water pressure of 2900 PSI and flow of 2.4 GPM. (Read full specs)

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Description

The G2900X was developed to offer strong cleaning performance that is both easy to use and store. This gas pressure washer delivers 2900 PSI of TruPRESSURE™, ensuring you get the highest level of cleaning power. The G2900X is powered by the performance driven Karcher KPS 196 cc engine with auto choke for easy starting; just pull and clean. (source: Kärcher (opens in a new tab))

Zoom on the Kärcher G2900X

In summary, the Kärcher G2900X is a heavy duty pressure washer, that offers an all-around versatile cleaning experience, and also:

  • intense cleaning of hard, unpainted surfaces
  • cleaning of painted and frail surfaces
  • application of detergent and cleaning solutions

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

Power

Using a 196 cc engine, its axial pump delivers a pressure of up to 2900 PSI (roughly 48 times more than a standard garden hose) and a flow of up to 2.4 GPM (values claimed by the manufacturer). Together, the values result in a cleaning power of 6960 Cleaning Units.

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

Gasoline storage is facilitated by a fuel tank with a maximum capacity of 0.4 gallon.

Design & Handling

The Kärcher G2900X is very mobile, due to its hand truck design and approximate dimensions of D21.5 x W20 x H35 in. Its sturdy welded steel frame provides longevity to the assembly. The folding handle enhances its mobility, while allowing for a convenient storage.

The device can be maneuvered with ease by most, since it only weighs 63 lbs. One of the largest contributors to its weight are its 196 cc Kärcher KPS engine and its welded steel frame. Nethertheless, thanks to its two 12" never-flat wheels, the G2900X remains very easy to manipulate and maneuver.

Main Features

The Kärcher G2900X's package includes a spray gun, a wand, a pressure hose, 4 nozzles and a detergent injection feature, with a more detailed description below.

  • Soap injection: A safe detergent storage is facilitated by a removable 0.5 gal tank. The Kärcher G2900X is not equipped with a soap dilution mechanism, and thus, it is up to the user to ensure the detergent’s correct dilution ratio when using it. The detergent is automatically added to the water when a soap nozzle is connected.
  • Pressure hose: A neat storage for the included 25 ft ⌀1/4" high-pressure hose is facilitated by a set of easy-to-use straps.
  • Spray gun and wand: A side hook enables you to easily store the included classic ergonomic spray gun and its zinc-coated wand.
  • Nozzles: The table below shows you the 4 included nozzles, as well as the surfaces they're the most appropriate for.
 

15°

25

40°

Soap
Concrete, brick, masonrySuitableSuitableSuitableSuitable
Siding, gutters, houseUse with cautionUse with cautionSuitableSuitable
Fencing, deck, patioUse with cautionUse with cautionSuitableSuitable
Lawn equipment, boat, RVUse 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: Stay prepared for any job with Kärcher G2900X'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).
  • Accessories: The Kärcher G2900X comes with an owner's manual and some basic documentation to get you quickly started. On top of that, you also get pressure hose, spray gun and wand.
  • Emissions: The Kärcher G2900X is CARB-compliant. Therefore, its sale and purchase are permitted in all of the 50 states, including California.

The Kärcher G2900X's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Kärcher G2900X compare to similarly priced pressure washers.

  • The Karcher G2900X, a device which can produce up to 2900 PSI, is on the lower end of the pressure spectrum, among the gas-powered pressure washers in the $300-400 price range. If your priority is the highest possible power of the water stream, in this price range, we suggest checking out the Stanley SXPW3425, which reaches up to 3400 PSI.
  • This washer reaches 2.4 GPM (gallons per minute) and thus, has an average water flow compared to similarly priced devices. If maximum rinsing efficiency is your top priority, one of the devices with the highest water flow in the same price range is the Lifan LFQ3370, with a GPM of 3.
  • The G2900X ranks as below average in terms of Cleaning Units, compared to gas-powered devices in its price range, reaching only a value of 6960 CU (PSI x GPM). 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 Lifan LFQ3370 and its 9900 Cleaning Units.

Price comparison

As you can see from this interactive chart, when compared to other gas-powered washers between 6500 and 7000 Cleaning Units, the Karcher G2900X 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
  • Good range of nozzles included
  • Onboard storage
  • CARB-compliant
AVERAGE SPECS:
  • Decent GPM for the price
WEAKNESSES:
  • No detergent dilution mechanism
  • Low PSI for the price
  • Low CU for the price

Do you own the Kärcher G2900X and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
FuelGas-Powered
HandlingHand Truck
WaterCold (122°F max.)
PSI2900
GPM2.4
Cleaning Units6960
Engine196 cc Kärcher KPS 4-stroke OHV
PumpAxial
Other model numbers1.107-384.0
Features
FrameWelded steel
Soap injectionYes
Soap tank0.5 gal, removable
Soap dilutionNo
Nozzles15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose25 ft, ⌀1/4
Hose storageStraps
Misc
Dimensions
(D x W x H)
Approx. 21.5 x 20 x 35 in
Weight63 lbs
Wheels2 wheels, ⌀12", never flat
Included accessoriesZinc-coated wand, spray gun, high pressure hose, 4 nozzles
SecurityTrigger lock
EmissionsCARB
Warranty3 years

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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About Kärcher

Founded in 1935 by Alfred Kärcher, this family-owned business is headquartered in Winnenden, Germany. Credited with developing Europe's first hot water high-pressure washer in 1950, the company continues to pride itself on ingenuity and innovative thinking for new solutions in the cleaning industry. Kärcher also insists on being a socially- and ecologically-sustainable company. The popularity of the brand can be seen by the fact that the name Kärcher has in some European countries become a colloquial term used synonymously with pressure washers.

Warranty Information

The Kärcher G2900X 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 Kärcher pressure washers, please contact the Kärcher Customer Support: 1-800-537-4129.

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