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Stihl BR 800 X MAGNUM® - 912 CFM Gas Backpack Blower

The Stihl BR 800 X MAGNUM® is a gas-powered backpack leaf blower delivering up to 912 CFM and 239 MPH. It features a 4-stroke 79.9-cc engine. (Read full specs)

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Stihl BR 800 X MAGNUM® 912 CFM Gas Backpack Blower

Note: Some serial numbers of the BR 800 X are currently being recalled by Stihl. Check the official recall notice (opens in a new tab) to find out if your unit is affected.

Some of the retailers below may only allow online purchase and in-store pickup of Stihl products.

Description

Prepared to be blown away. The most powerful blower in the STIHL line is here. The American-built* BR 800 X MAGNUM® is the ideal machine for professional landscapers tackling large properties. With a 4.4 bhp engine, the BR 800 X offers 20 percent more power than the BR 700, allowing you to clear leaves, grass and heavy debris faster and more efficiently. By adding the BR 800 X to your fleet, you’ll see a real impact where it counts most – on your bottom line. Blast through jobs quickly and move on to the next, all while doing it in comfort. The BR 800 X features ergonomic S-shaped shoulder straps and an easily adjustable handle, allowing each user to select their most comfortable position. It also includes a hanging slot for convenient storage when not in use. The BR 800 X – Are you ready?

Zoom on the Stihl BR 800 X MAGNUM®

The Stihl BR 800 X MAGNUM® in use

The Stihl BR 800 X MAGNUM®

With its gas backpack design, the Stihl BR 800 X MAGNUM® is a good match for both homeowners with a residential property with medium to large lawns, often half an acre to several acres, and professionals working across several client grounds.

It is capable of expelling a maximum air volume of 912 cubic feet per minute (CFM). Its air speed is rated at 239 MPH. To put it simply, it combines strong airflow to move piles of leaves in the yard with enough force to clear heavier material such as pine needles or acorns from patios and walkways.

Equipped with a 79.9-cc 4-stroke 4-Mix engine, this blower uses a 50:1 fuel-oil mix even though it's a 4-stroke unit. Its tank has a capacity of 67.6 fl. oz., which is typical for backpack gas blowers.

The Stihl BR 800 X MAGNUM® offers customizable airflow through its variable speed settings, along with integrated cruise control for convenient operation.

With a dry weight of 23 lbs, the backpack design of the unit shifts most of the weight off the arms and makes the tube easier to handle. Its throttle is located on the tube, which allows to keep the left hand free.

Product Videos

The Stihl BR 800 X MAGNUM®'s performance versus other blowers

The following charts are provided to give you an idea how the key specs of the Stihl BR 800 X MAGNUM® compare with similar leaf blowers.

  • With its 23 lbs build, the Stihl BR 800 X MAGNUM® holds the lightest weight seen in gas-powered backpack blowers over 75cc.
  • Exiting the nozzle, the air can reach speeds of up to 239 MPH, showcasing impressive velocity for a gas-powered backpack blower over 75cc. If you wish to benefit from air expelled at the fastest possible speed, the PRORUN PBB3000 and its 250 MPH could be an option to consider.
  • As this unit is rated at 912 CFM (cubic feet per minute), it expells less air than most gas-powered backpack blowers with a comparable engine size. For the highest air volume, you may want to have a look at the Husqvarna 590BTS, which boasts with 1245 CFM.
According to our stats, the following comparison is pretty popular: Stihl BR 800 X MAGNUM® vs Stihl BR 800 C-E MAGNUM®.

Price comparison

As you can see from these interactive charts, when compared to other gas backpack blowers, the Stihl BR 800 X MAGNUM® is on the average side of the price range.

Therefore, this blower nicely fits in the expected budget for this kind of product.

4-Mix Engine Technology

Stihl's 4-Mix engine combines the advantages of 2-stroke and 4-stroke engines. This award-winning 4-stroke engine runs on a mix of gasoline and oil (1:50). For this to happen, the gasoline-oil mix enters the cylinder head through a bypass channel in order to offer full lubrication, which avoids the need for parts like an oil pump, sump or tank (which are compulsory for traditional 4-stroke engines). Therefore, there is no oil servicing to do (easy maintenance), the leaf blower is lighter (due to fewer parts) and its overall noise is lower. Additionally, all 4-MIX engines are fitted with a system that considerably reduces the effort needed to pull the starter rope.

The bottom line

STRENGTHS:
  • In the expected price range
  • Cruise control
  • 4-Mix Engine
  • Lightweight (23 lbs)
  • High MPH (239 MPH)
AVERAGE SPECS:
  • Decent tank (67.6 fl. oz.)
WEAKNESSES:
  • Low CFM (912 CFM)

Do you own the Stihl BR 800 X MAGNUM® and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

Type
TypeGas-Powered
HandlingBackpack
Air volumeUp to 912 CFM
Air speedUp to 239 MPH
Blowing forceUp to 41 N
Engine
Engine type4-stroke 4-Mix
Engine displacement79.9cc
Fuel/oil ratio50:1
Fuel tank capacity67.6 fl. oz.
Speed settingsVariable
Features
Cruise controlYes
Noise rating78 dB
Throttle positionTube
Misc
Weight23 lbs
Warranty2 years
UPC886661252633

We've taken extra care to research and verify each of the specifications above. That said, occasional mistakes or omissions are still possible. If you spot any missing or inaccurate information, feel free to suggest a correction so we can address it. For full technical details on the Stihl BR 800 X MAGNUM®, the user manual is available here (opens in a new tab).

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About Stihl

Stihl AG & Company KG was founded by Andreas Stihl in 1926. The German company specializes in handheld outdoor power equipment. Over the past fifty years, Stihl has opened manufacturing plants in Brazil, the United States, and China. The German company’s sure and steady expansion has made it a leading provider of in the lawn, forestry, and landscape maintenance industries.

Warranty Information

The Stihl BR 800 X MAGNUM® is covered under a warranty for up to 2 years. This warranty may not cover all parts of the blower.
For more information about the warranty of Stihl blowers, please consult Stihl's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-800-467-8445.

Questions & Answers

How do I get an owners manual for BR 800 X We recently moved and my manual got lost in the move I am really impressed with this blower It was bought at Acme Tools in Grand Forks ND (Asked July 7, 2024)

The owner's manual can be downloaded here (opens in a new tab).

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Stihl BR 800 X MAGNUM®
7.2 Total Score
6 reviews
Add your review
Price
6.3
Value
7.3
Quality
7
Performance
8.2

User Reviews

Most Recent Most Helpful Highest Rating Lowest Rating Add your review
  1. 0.65
    Price
    20
    Value
    10
    Quality
    10
    Performance
    10

    Bought mine in November. It’s March now it’s in the shop tore apart, waiting on parts maybe just get the runaround from customer support and tech. It never ran right right from the start. One run around after the other warranty is nonexistent would never buy another Stihl

    + PROS:
    • If working properly a good product
    - CONS:
    • No warranty no customer support and no tech support. They like to sell product just not back it if you get a lemon
    Helpful(0) Unhelpful(0)You have already voted this
  2. 3.75
    Price
    70
    Value
    80
    Quality
    70
    Performance
    80

    Not a great carburetor for cold Canadian winter usage. Maybe fine on milder climates. Moved a lot of snow when running at peak rpm but weather will affect the carburetor performance and rpm’s may drop while in use due to fuel mixture not quite right for -30°C or colder air temperatures. Have to retune the carburetor for different ambient temperatures which is irksome to maintain peak performance. Only used it in the winter following factory storage instructions for the summer. Carburetor likely works well in milder climates like I’m Germany and the USA but falters in performance in Canadian Winters when weather changes can be 20°C or more from one day to the next in the winter. Otherwise a nice machine the 800X.

    + PROS:
    • Powerful with a nicely engineered nozzle extension with the locking twist nut.
    - CONS:
    • Carb adjustment requirements, harness almost too small for bulky clothing and not friendly for mild arthritic condition of the user to install backpack blower on ones back.
    Helpful(1) Unhelpful(0)You have already voted this
  3. 5
    Price
    100
    Value
    100
    Quality
    100
    Performance
    100

    The BR 800 is a mighty machine. It is well-designed with high-quality craftsmanship. It comes on quickly and is very easy to use it.

    + PROS:
    • The BR 800 is a mighty blower, easy to use, and well-designed machine.
    - CONS:
    • Nothing to mention
    Helpful(1) Unhelpful(0)You have already voted this
  4. 4.5
    Price
    60
    Value
    100
    Quality
    100
    Performance
    100

    I love STIHL BR 800 X MAGNUM High Quality I have used STIHL products for years

    + PROS:
    • Powerful
    - CONS:
    • Thirsty on gas
    Helpful(0) Unhelpful(0)You have already voted this
  5. 4.4
    Price
    50
    Value
    100
    Quality
    100
    Performance
    100

    The weight of the blower is well distributed and being 2-3 pounds lighter than other similar backpacks means my wife or I can use it easily for an hour on several acres we maintain. It can blow 2″ gravel like its sand and deep leaves go 20 feet. We will never need to rake again. I didnt know about the 4 stroke until now, its very light and grunts, meaning you can set 20% throttle and tap the trigger when you need the boost. that makes it more quiet and not having the high pitch 2stroke whine. its VERY well thought out. it is thirstier than our 15hp mower per hour, but that means its even lighter, burning off the fuel. Im very very happy with ours. didnt have trouble starting it. It does use 89+ octane with mix, and it has a winter slide under the air filter that we will need to use if there is snow to blow. Again, @240mph, and 912cfm we will never touch a shovel again. it can lift an 8″ round, 2″ thick rock and move it away at full throttle. Stihl quality is worth the price. dont stop part of the way there. and it has residual value too if you sell your property.

    + PROS:
    • even weight distribution and no pressure points with backpack.
    • well engineered. didnt need ear muffs.
    • 20' leaf blow flat, 25' downhill and 15' uphill with 25% grade. gets the job done fast and its fun to use. im done with the handheld, hand-numbing unit.
    - CONS:
    • do need KN95 mask because it blows up a LOT of dust/etc...
    • pretty thirsty fuel use, but its great HP.
    Helpful(10) Unhelpful(2)You have already voted this
  6. 3.4
    Price
    80
    Value
    50
    Quality
    40
    Performance
    100

    Got one in February 2019,only used it for about 4 month as I do not need it in the Summer,had always problem starting,needed at least 6 to 8 pulls and when it was cold up to 20 pulls,had it in the shop 3 times when they put on a new carburetor,still under warranty,helped some what,still problems starting,and now the recoil broke.Don’t think I by another Stihl ,maybe try some other brands.I do not recommend this one.However,it does have great power.

    + PROS:
    • Great power
    - CONS:
    • Difficult starting
    Helpful(2) Unhelpful(12)You have already voted this

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