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Kärcher G3500OHT Spec Review

The Kärcher G3500OHT is a gas-powered pressure washer offering a maximum water pressure of 3500 PSI and flow of 2.6 GPM. (Read full specs)

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Kärcher G3500OHT 3500PSI Gas Pressure Washer
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Description

Driven by a powerful Honda GX200 engine, the G3500OHT is the perfect work companion for contractors and demanding users. Equipped with a three piston crankshaft (triplex) pump with professional-grade unloader valve, this unit can handle the largest and most challenging cleaning assignments. Pros will appreciate the 25ft steel-braided rubber high pressure hose, pneumatic tires with metal wheels and durable welded frame. (source: Kärcher (opens in a new tab))

Zoom on the Kärcher G3500OHT

In summary, the Kärcher G3500OHT is a heavy duty, commercial pressure washer, that offers an all-around versatile cleaning experience, and also:

  • spot cleaning of hard, unpainted surfaces or high reach areas
  • intense cleaning of hard, unpainted surfaces
  • cleaning of painted and fragile surfaces
  • applying 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

Powered by a 196 cc (5.8 hp) engine, its brass triplex pump can deliver a pressure of 3500 PSI (around 58 times more than a standard garden hose) and a flow of up to 2.6 GPM (values claimed by the manufacturer). Combined, these values mean that the Kärcher G3500OHT has a cleaning power of 9100 Cleaning Units.

This gas-powered pressure washer’s Honda GX200 engine is started by a traditional pull-start mechanism.

The fuel is stored in a tank, which can hold up to 0.82 gallon of gasoline.

Design & Handling

The Kärcher G3500OHT is very mobile, due to its hand truck design and approximate dimensions of D23 x W22 x H35 in. Its sturdy welded steel frame provides longevity to the assembly. The handle adds to the G3500OHT convenience of transport.

With a weight of 76 lbs, the unit can be easily maneuvered by most users. One of the largest contributors to its weight are its 196 cc Honda GX200 engine, the triplex pump and its welded steel frame. But, as the G3500OHT does have a set of two 10" pneumatic wheels, it can be easily maneuvered and manipulated.

Main Features

Along with the Kärcher G3500OHT 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: Detergent is fed in through a siphon hose, since the device lacks a soap tank. It must be noted that the Kärcher G3500OHT doesn’t come with a soap dilution mechanism. Therefore, you must always make sure that your detergent is correctly diluted. When a soap nozzle is connected, the detergent will be added automatically to the water.
  • Pressure hose: The included 25 ft ⌀3/8" high-pressure hose can be neatly stored on the unit when idle thanks to a set of convenient hooks.
  • Spray gun and wand: A side hook allows for an easy storage of the included VersaGRIP spray gun and its zinc-coated wand.
  • Nozzles: The 5 nozzles included with the device, and the respective surfaces which they’re the most suitable for, are shown in the following table.
 



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.

VersaGRIP Gun

https://www.youtube.com/watch?v=8i367vouuPU

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: The Kärcher G3500OHT 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 trigger lock mechanism (which prevents accidental operation) and a low oil protection.
  • Accessories: The Kärcher G3500OHT comes with an owner's manual (opens in a new tab) and some basic documentation to get you quickly started. On top of that, you also get wand, pressure hose, oil and spray gun.
  • Emissions: The Kärcher G3500OHT 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 Kärcher G3500OHT's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Kärcher G3500OHT compare to similarly priced pressure washers.

  • The Karcher G3500OHT with its 3500 PSI achieves a lower pressure value, compared to other gas-powered pressure washers in the $800-900 price range. In case you are looking for a device with the highest possible power of its water stream, one of the top achievers in this price range is the DeWalt DXPW4440 with a PSI of 4400.
  • This washer, with a GPM of 2.6 (gallons per minute) has a somewhat lower water flows 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 Predator 4400, that can deliver up to 4.2 GPM.
  • The G3500OHT has 9100 Cleaning Units (PSI x GPM), which is considered low in comparison to other gas-powered devices of this price. In case you are looking for the highest overall cleaning power, in this price range, one of the current champions is the Predator 4400 and its 18480 Cleaning Units.

Price comparison

As you can see from this interactive chart, when compared to other gas-powered washers between 9000 and 9500 Cleaning Units, the Karcher G3500OHT is on the expensive side of the price range.

While certainly not the cheapest of its cleaning power range, purchasing it could most likely also mean enjoying the reliability of a high-end product.

The bottom line

STRENGTHS:
  • Triplex pump
  • Honda engine
  • Good range of nozzles included
  • VersaGRIP gun
  • Onboard storage
  • Several security features
  • CARB-compliant
WEAKNESSES:
  • On the expensive side
  • No electric start
  • No soap tank
  • No detergent dilution mechanism
  • Low PSI for the price
  • Low GPM for the price
  • Low CU for the price

Do you own the Kärcher G3500OHT 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.)
PSI3500
GPM2.6
Cleaning Units9100
Engine196 cc 5.8 HP Honda GX200 4-stroke OHV
PumpTriplex
Pump materialBrass
Features
FrameWelded steel
Soap injectionVia siphon hose
Soap dilutionNo
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose25 ft, ⌀3/8
Hose storageHooks
Misc
Dimensions
(D x W x H)
Approx. 23 x 22 x 35 in
Weight76 lbs
Wheels2 wheels, ⌀10", pneumatic
Included accessoriesOil, zinc-coated wand, VersaGRIP spray gun, high pressure hose, 5 nozzles
SecurityLow oil and trigger lock
EmissionsCARB, EPA
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.

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 G3500OHT 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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