The Stihl RB 800 is a gas-powered pressure washer offering a maximum water pressure of 4200 PSI and flow of 4 GPM. (Read full specs)
eBay 
Northern Tool 
Acme Tools 
Ace Hardware Page Content
Features and Specifications
| Fuel | Gas-Powered |
|---|---|
| Handling | Hand Truck |
| Water | Cold (125°F max.) |
| PSI | 4200 |
| GPM | 4 |
| Cleaning Units | 16800 |
| Engine | 429 cc 14 HP Kohler CH440 4-stroke OHV |
| Pump | Annovi Reverberi Triplex |
| Pump material | Brass |
| Frame | Steel tubing |
|---|---|
| Soap injection | Via siphon hose |
| Soap dilution | No |
| Nozzles | 0°, 15°, 25°, 40°, Soap |
| Quick connect nozzles | Yes |
| Onboard storage | Yes |
| Hose | 50 ft, ⌀3/8 |
| Hose storage | Hooks |
| Dimensions (D x W x H) | Approx. 33.5 x 31 x 45.8 in |
|---|---|
| Weight | 168 lbs |
| Pressure control | Valve |
| Wheels | 2 wheels, ⌀13", pneumatic |
| Included accessories | Oil, wand, spray gun, high pressure hose, soap hose, 5 nozzles |
| Security | Low oil, trigger lock and thermal relief valve |
| Emissions | Unknown |
| Warranty | 2 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.
Description
Zoom on the Stihl RB 800
The Stihl RB 800, a heavy duty, commercial pressure washer, gives its user an all-around versatile cleaning experience, topped off by the following features:
- spot cleaning of hard, paint-free surfaces and out-of-reach areas
- intense cleaning of tough, paintless surfaces
- cleaning of painted or delicate 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
The Stihl RB 800
With an impressive 429 cc (14 hp) engine, its brass triplex pump delivers a pressure of 4200 PSI (roughly 70 times more than a standard garden hose) and a flow of up to 4 GPM (values claimed by the manufacturer), resulting in the Stihl RB 800's cleaning power of 16800 Cleaning Units.
The Kohler CH440 engine of this gas-powered pressure washer relies on an old-school pull-start mechanism to get started.
Gasoline storage is facilitated by a fuel tank with a maximum capacity of 1.8 gallon.
Design & Handling
The Stihl RB 800 offers superb mobility, with a hand truck design and approximate dimensions of D33.5 x W31 x H45.8 in. The strong steel tubing frame assures assembly longevity. The folding handle enhances its mobility, while allowing for a convenient storage.
The device weighs 168 lbs and thus, is far from lightweight. Transporting and manually lifting it may therefore pose a challenge. A key role in its final weight is played by its 429 cc Kohler CH440 engine, the triplex pump and steel tubing frame. However, its two 13" pneumatic wheels play an important part in its maneuverability, as they allow for a smooth manipulation on the job.
Main Features
The Stihl RB 800
Along with the Stihl RB 800 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: While the device doesn't feature a soap tank, detergent supply is ensured by a siphon hose. The Stihl RB 800 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 50 ft ⌀3/8" high-pressure hose is facilitated by 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. The gun features a rotating auxiliary side handle to further improve the comfort of both left and right-handed users.
- 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.
0° | 15° | 25° | 40° | Soap | |
|---|---|---|---|---|---|
| Concrete, brick, masonry | Use with caution | Suitable | Suitable | Suitable | Suitable |
| Siding, gutters, house | Not recommended | Use with caution | Use with caution | Suitable | Suitable |
| Fencing, deck, patio | Not recommended | Use with caution | Use with caution | Suitable | Suitable |
| Lawn equipment, boat, RV | Not recommended | Use with caution | Use with caution | Use with caution | Suitable |
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 Stihl RB 800
- Onboard storage: With the Stihl RB 800'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 low oil protection, a trigger lock mechanism (which prevents accidental operation) and a thermal relief valve (which helps to prevent internal pump damage).
- Accessories: The Stihl RB 800 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, spray gun, soap hose, oil and pressure hose.
Product Videos
The Stihl RB 800'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 800 compare to similarly priced pressure washers.
- The Stihl RB 800, which can reach a PSI of 4200, achieves an average pressure output, compared to other gas-powered units that cost between $1100 and $1500. If your priority is the highest possible power of the water stream, in this price range, we suggest checking out the Lifan LFQ4515E-CA, which reaches up to 4500 PSI.
- In the aforementioned price range, the 4 GPM (gallons per minute) of this washer makes it one of the best performing units in terms of the delivered volume of water.
- Boasting with 16800 Cleaning Units (PSI x GPM), the RB 800 is one of the more efficient devices in its respective price range. 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 LFQ4515E-CA and its 18000 Cleaning Units.
Price comparison
As you can see from this interactive chart, when compared to other gas-powered washers between 16500 and 17000 Cleaning Units, the Stihl RB 800 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
- In the expected price range
- Triplex pump
- Good range of nozzles included
- Onboard storage
- Several security features
- High GPM for the price
- High CU for the price
- Decent PSI for the price
- No soap tank
- No detergent dilution mechanism
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 800 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.
