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Kärcher G3100XH Spec Review

The Kärcher G3100XH is a gas-powered pressure washer offering a maximum water pressure of 3100 PSI and flow of 2.4 GPM. (Read full specs)

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Kärcher G3100XH 3100PSI Gas Pressure Washer
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Description

The G3100XH was developed to offer strong and trusted cleaning performance that is both easy to use and store. Powered by the reliable Honda GC 190, the G3100XH gas pressure washer is backed by a 2 year limited warranty and delivers 3100 PSI of TruPRESSURE™, ensuring you get the highest level of reliable cleaning power.This was designed with the user in mind with features like one-half gallon removable detgent tank, four spray nozzles, oversized 12" wheels, onboard accessory storage, and easy access to all hose connections. (source: Kärcher (opens in a new tab))

Zoom on the Kärcher G3100XH

In a nutshell, the Kärcher G3100XH is a heavy duty, commercial pressure washer, which not only offers an all-around versatile cleaning experience, but that also allows:

  • intense cleaning of hard, unpainted surfaces
  • cleaning of painted or delicate surfaces
  • use of detergent and cleaning solutions

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

Using a 187 cc (6 hp) engine, its axial pump delivers a pressure of up to 3100 PSI (roughly 52 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 7440 Cleaning Units.

The Honda GC190 engine of this gas-powered pressure washer relies on an old-school pull-start mechanism to get started.

Gasoline is stored in a fuel tank with a maximum capacity of 0.48 gallon.

Design & Handling

The Kärcher G3100XH offers superb mobility, with a hand truck design and approximate dimensions of D25 x W19 x H37 in. The robust welded steel frame guarantees longevity of the assembly. The folding handle enhances its mobility, while allowing for a convenient storage.

The majority of users will be able to maneuver this unit easily, it only weighs 65 lbs. One of the largest contributors to its weight are its 187 cc Honda GC190 engine and its welded steel frame. But, as the G3100XH does have a set of two 12" never-flat wheels, it can be easily maneuvered and manipulated.

Main Features

The Kärcher G3100XH comes with a spray gun, a wand, a pressure hose, 4 nozzles and a detergent injection feature, which are detailed below.

  • Soap injection: A safe detergent storage is facilitated by a removable 0.5 gal tank. As the Kärcher G3100XH doesn’t include a soap dilution mechanism, the user must provide a correctly diluted detergent before proceeding to use it. If a soap nozzle is attached, the device will proceed to add the detergent to the water automatically.
  • Pressure hose: The included 25 ft ⌀1/4" high-pressure hose can be neatly stored on the unit when idle thanks to a set of easy-to-use straps.
  • Spray gun and wand: Both the VersaGRIP spray gun and its zinc-coated wand may be conveniently stored in a side hook.
  • 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.

VersaGRIP Gun

The VersaGRIP trigger gun has dual action triggers, which allow you to effectively use it at any angle. A shoulder stock lets you utilize your very own body as an anchor, creates a secure holding position and reduces any strain exerted on your fingers, hand and wrists during the cleaning. The VersaGRIP is compatible with many brands and models of gas pressure washers, as it can be easily attached to industry-standard standardized high pressure hoses and spray wands.

Other Features

  • Onboard storage: With the Kärcher G3100XH's handy storage area, you’ll always have all the necessary nozzles and accessories at hand and thus, you’ll be fully prepared for any job.
  • Safety: Safety of operation is enhanced by a trigger lock mechanism (which prevents accidental operation).
  • Accessories: Included with the Kärcher G3100XH 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 pressure hose, spray gun and wand.
  • Emissions: The Kärcher G3100XH is NOT CARB-compliant. Therefore, it is not available in California for sale nor purchase.

The Kärcher G3100XH's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Kärcher G3100XH compare to similarly priced pressure washers.

  • The Karcher G3100XH, which can reach a PSI of 3100, achieves an average pressure output, compared to other gas-powered units that cost between $400 and $500. If you're going after the highest possible power of the water stream, one of the best in this price range is the Champion 100786 that can reach up to 3500 PSI.
  • This washer, with a GPM of 2.4 (gallons per minute) has a somewhat lower water flow value compared to 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 Lifan LFQ3370E, that can deliver up to 3 GPM.
  • With 7440 Cleaning Units (PSI x GPM), the G3100XH is on the low end when compared to other similarly priced gas-powered devices. If you are after the highest overall cleaning power, the Lifan LFQ3370E with its 9900 Cleaning Units is one of the products that can achieve the highest cleaning efficiency in this price range.

Price comparison

As you can see from this interactive chart, when compared to other gas-powered washers between 7000 and 7500 Cleaning Units, the Karcher G3100XH 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
  • Honda engine
  • Good range of nozzles included
  • VersaGRIP gun
  • Onboard storage
AVERAGE SPECS:
  • Decent PSI for the price
WEAKNESSES:
  • No detergent dilution mechanism
  • Not CARB-compliant
  • Low GPM for the price
  • Low CU for the price

Do you own the Kärcher G3100XH 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.)
PSI3100
GPM2.4
Cleaning Units7440
Engine187 cc 6 HP Honda GC190 4-stroke OHC
PumpAxial
Other model numbers1.107-389.0
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. 25 x 19 x 37 in
Weight65 lbs
Wheels2 wheels, ⌀12", never flat
Included accessoriesZinc-coated wand, VersaGRIP spray gun, high pressure hose, 4 nozzles
SecurityTrigger lock
EmissionsEPA
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 G3100XH 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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