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Stihl RB 600 Spec Review

The Stihl RB 600 is a gas-powered pressure washer offering a maximum water pressure of 3200 PSI and flow of 3 GPM. (Read full specs)

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According to Stihl's Internet Sales Policy (opens in a new tab) and to the 10 reasons mentioned on this page (opens in a new tab), it is not possible or recommended to buy a NEW Stihl product online in the USA. The only way to buy the Stihl RB 600 online is to get it second hand or refurbished on eBay. Online stores such as Acme Tools (link below) only allow in-store purchase and pickup of Stihl products.

Description

Whether it’s greasy farm equipment, stained aluminum siding, or a dirty truck, the STIHL RB 600 is ready to rock. It features 3,200 psi of water pressure and 208 cc engine. Its pump components are made of premium commercial-grade Triplex to reinforce its durability. Plus, with the easy start pump system you can start the washer without difficulty or back pressure from the pump. (source: Stihl (opens in a new tab))

Zoom on the Stihl RB 600

The Stihl RB 600 is a heavy duty, commercial pressure washer, that provides its users with an all-around versatile cleaning experience, and enables:

  • spot cleaning of hard, paintless surfaces and reaching far-away areas
  • intense cleaning of hard, unpainted surfaces
  • cleaning of painted or delicate surfaces
  • application of detergent and cleaning solutions

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

Power

The Stihl RB 600 in use

The Stihl RB 600

Using an impressive 208 cc (7 hp) engine, its brass triplex pump delivers a pressure of up to 3200 PSI (roughly 53 times more than a standard garden hose) and a flow of up to 3 GPM (values claimed by the manufacturer). Together, the values result in a cleaning power of 9600 Cleaning Units.

The Kohler CH270 engine of this gas-powered pressure washer relies on an old-school pull-start mechanism to get started.

A fuel tank with a maximum capacity of 1 gallon is used to store gasoline.

Design & Handling

The Stihl RB 600 is very mobile, due to its hand truck design and approximate dimensions of D32.8 x W29 x H42 in. The robust steel tubing frame guarantees longevity of the assembly. The folding handle enhances its mobility, while allowing for a convenient storage.

With a weight of 118 lbs, the model is not lightweight. Therefore, it may be challenging to manually carry it around and transport it. Its 208 cc Kohler CH270 engine, the triplex pump and steel tubing frame are mainly responsible for its heavy weight. However, its two 13" pneumatic wheels play an important part in its maneuvrability, as they allow for a smooth manipulation on the job.

Main Features

The Stihl RB 600 in use

The Stihl RB 600

The Stihl RB 600 comes with a spray gun, a wand, a pressure hose, 5 nozzles and a detergent injection feature, which are detailed below.

  • Soap injection: Even though the device doesn't have a soap tank, detergent is supplied by a siphon hose. It must be noted that the Stihl RB 600 doesn’t come with a soap dilution mechanism. Therefore, you must always make sure that your detergent is correctly diluted. The detergent is automatically added to the water when a soap nozzle is connected.
  • Pressure hose: The 40 ft ⌀3/8" high-pressure hose, which is included with the device, can be stored neatly on the unit itself when idle, using a set of convenient hooks.
  • Spray gun and wand: The included classic ergonomic spray gun and its wand can be easily stored in a side hook. A rotating auxiliary side handle further improves both left-handed and right-handed users' comfort.
  • Nozzles: The table below shows you the 5 included nozzles, as well as the surfaces they're the most appropriate for.
 


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

The specs of the Stihl RB 600

The Stihl RB 600

  • Onboard storage: The Stihl RB 600 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 low oil protection and a trigger lock mechanism (which prevents accidental operation).
  • Accessories: Besides the usual owner's manual (opens in a new tab) and documentation to get you promptly started, the Stihl RB 600 comes with pressure hose, spray gun, oil, wand and soap hose.

Product Videos

The Stihl RB 600's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Stihl RB 600 compare to similarly priced pressure washers.

  • The Stihl RB 600 with its 3200 PSI achieves a lower pressure value, compared to other gas-powered pressure washers in the $900-1000 price range. If the highest possible power of the water stream is your priority, one of the champions in this price range is the DeWalt DXPW4440 with 4400 PSI.
  • The achievable water flow of this washer, which reaches 3 GPM (gallons per minute) can be described as low, compared to other devices in its price range. In case you are looking for a device which can most efficiently rinse away debris in the current price range, the Predator 4400 has the highest GPM of 4.2.
  • The RB 600 has 9600 Cleaning Units (PSI x GPM), which can be considered low in comparison to other gas-powered devices of this price. If you are after the highest overall cleaning power, the Predator 4400 with its 18480 Cleaning Units is one of the products that can achieve the highest cleaning efficiency in this price range.

Here's a list of the most popular specific comparisons:

Price comparison

As you can see from this interactive chart, when compared to other gas-powered washers between 9500 and 10000 Cleaning Units, the Stihl RB 600 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
  • Good range of nozzles included
  • Onboard storage
  • Several security features
WEAKNESSES:
  • On the expensive side
  • 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 Stihl RB 600 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 (125°F max.)
PSI3200
GPM3
Cleaning Units9600
Engine208 cc 7 HP Kohler CH270 4-stroke OHV
PumpTriplex
Pump materialBrass
Features
FrameSteel tubing
Soap injectionVia siphon hose
Soap dilutionNo
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose40 ft, ⌀3/8
Hose storageHooks
Misc
Dimensions
(D x W x H)
Approx. 32.8 x 29 x 42 in
Weight118 lbs
Pressure controlValve
Wheels2 wheels, ⌀13", pneumatic
Included accessoriesOil, wand, spray gun, high pressure hose, soap hose, 5 nozzles
SecurityLow oil, trigger lock and thermal relief valve
EmissionsUnknown
Warranty2 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 Stihl

Since revolutionizing the forestry industry in 1926 with the invention of the first two-person electric chainsaw, STIHL has become one of the top-selling brands of outdoor power equipment in the US and around the world. Their ever-growing product line includes gas-powered, corded-electric and battery products. Made in the USA and in China by over 2,000 dedicated employees at their state-of-the-art, dedicated, manufacturing facilities in Virginia Beach, VA, and in Qingdao, STIHL products are sold by local, authorized dealers in over 80 countries.

Warranty Information

The Stihl RB 600 is covered under a warranty for up to 2 years. This warranty may be limited and may not cover all parts of the unit.
For more information about the warranty of Stihl pressure washers, please consult Stihl's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-800-467-8445.

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