Description
The Stihl BR 800 X Magnum is the most powerful backpack blower in the Stihl lineup, and it’s built for operators who need to move serious volume fast. A 79.9cc 4-MIX engine delivers 912 cfm and 239 mph air speed enough to clear wet leaves, heavy debris, and packed material that smaller blowers push around without moving. Built in the USA, the BR 800 X Magnum is a lighter, manually-started alternative to the BR 800 C-E Magnum, giving professional landscapers and large property owners the same top-end power in a more straightforward package. If you’re stepping up from the BR 700 or any mid-range blower, this is a significant jump in capability.
Features
79.9cc 4-MIX engine delivers 20% more power than the BR 700, producing 912 cfm and 239 mph air speed with 41 N of blowing force for fast, efficient clearing of heavy debris on large properties.
4-MIX engine technology runs on a 50:1 fuel-oil mix while offering four-stroke-like performance, delivering stronger torque, lower emissions, and reduced fuel consumption compared to conventional two-stroke engines.
Ergonomic S-shaped shoulder straps are contoured to fit the natural curve of the operator’s back, distributing the unit’s weight more comfortably during extended use.
Adjustable support harness with padded hip belt distributes weight evenly across the shoulders and back, reducing fatigue on long jobs.
Multi-function control handle keeps throttle, cruise control, and stop switch accessible from one position so the operator’s hand never has to leave the handle.
Throttle trigger lock with built-in momentary stop switch allows the engine to be shut off with a single press and automatically resets to the start position when released.
Low-emission engine technology meets current exhaust emission standards while maintaining full commercial-grade output.
Telescoping blow tube adjusts for operator height without tools, accommodating different users without requiring hardware changes.
Hanging slot built into the unit allows it to be stored off the ground when not in use.
Built in the USA from domestic and global materials.
Specifications
Engine displacement: 4.9 cu-in (79.9cc)
Power output: 4.4 bhp
Air volume: 912 cfm
Air speed: 239 mph
Blowing force: 41 N
Weight: 23.1 lbs.
Sound pressure level: 77 dB(A)
Sound power level: 113 dB(A)






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