| Displacement | 3.9 in³ |
| Blowing force with round nozzle | 28 N 1) |
| Device weight without refuelling | 23.4 lb |
| Max. air velocity with round nozzle | 324.8 ft/s |
| Max. air velocity with round nozzle | 222 mph |
The pictures shown are sample photos. The actual appearance of the equipment features and their specific attachment to the product may differ from the pictorial representations, but will have the same functionality.
The STIHL BR 450 is built for properties that demand serious cleanup power. From seasonal leaf removal to maintaining large, tree-filled landscapes, it delivers impressive blowing performance in a package that's easy to use day after day. With blowing force approaching that of the BR 600, it's equipped to handle demanding work without unnecessary complexity.
Adjustability comes naturally on the BR 450. The blower tube can be tailored to different operator heights and applications, while the control handle adjusts without tools for a comfortable fit. A comfortable carrying system with breathable back padding, combined with STIHL anti-vibration technology, helps reduce fatigue and keep you moving through larger cleanup jobs.vA semi-automatic choke simplifies starting, so getting to work takes less effort. The result is a powerful, practical backpack blower that delivers the comfort, performance, and reliability needed to keep residential and commercial properties looking their best.
Note: Not available for purchase or delivery in California

Improper use of any power tool may cause serious or fatal injury. Read, understand, and follow carefully the operating and safety instructions in your instruction manual before using such products. STIHL products sold through U.S. STIHL Dealers are for distribution in the United States only. Improper use of any power tool may cause serious or fatal injury. Read, understand, and follow carefully the operating and safety instructions in your instruction manual before using such products. STIHL products sold through U.S. STIHL Dealers are for distribution in the United States only.
Proposition 65 - EnglishThis product contains chemicals known to the State of California to cause cancer and reproductive harm. www.P65Warnings.ca.gov
E-10 StatementNote: STIHL recommends use of fuel with no more than 10% Ethanol content. Using fuel with greater than 10% Ethanol content may cause damage to your equipment and may void your STIHL warranty.