A professional 2-stroke blower with plenty of power to get the job done.
Simplify your workday with this easy-to-use and affordable professional backpack blower. Equipped with a powerful 2-stroke engine, the STIHL BR 450 has all the power you need in a convenient package. Use it for a range of applications, from managing large properties and tree-heavy lots to seasonal leaf cleanup. The low-emission engine boasts high-quality power, with a blowing force approaching that of our BR 600 model. Designed with the operator in mind, the unit features an easily adjustable tube that can adapt to different operator heights and application needs. And the control handle can also be adjusted for ideal comfort without tools. Additional features include a semi-automatic choke for a simplified starting procedure as well as improved ergonomic design elements for increased user comfort. Whether maintaining residential or commercial property, the BR 450 is up to your landscaping demands.
- Features
- Specs
- Options
- Photos
Features
- BUILT IN THE USA: When you own a STIHL, you hold in your hands the product of hard work, pride and dedication.
- REDUCED-EMISSION ENGINE TECHNOLOGY - CARING FOR NATURE: The STIHL Inc. “Caring for Nature” seal identifies its powered products that are more environmentally conscious, producing zero or low exhaust emissions. STIHL Inc. defines “low exhaust emissions” as being cleaner than EPA and/or CARB exhaust emission standards.
- MULTI-FUNCTION CONTROL HANDLE: Having easy access to all of the controls on one comfortable handle makes it easy to complete tasks so the operator’s hand never has to leave the handle.
- ANTI-VIBRATION SYSTEM: STIHL has a system for minimizing the vibration levels of handheld outdoor power equipment. The STIHL anti-vibration system helps reduce operator fatigue and provides a more comfortable working experience.
- ADJUSTABLE SUPPORT HARNESS: STIHL backpack blowers and sprayers are equipped with an adjustable support harness that distributes weight evenly across the shoulders and back, reducing user fatigue.
- FOOT PAD: For stability when starting.
- TRANSLUCENT FUEL TANK: Allows operator to easily check fuel level before starting work.
- PROTECTED FUEL TANK: Helps prevent damage.
- UPRIGHT FUEL TANK: For easy filling.
- EASY-TO-REPLACE: starter assembly.
- PROTECTED CHOKE KNOB: Helps prevent damage.
- PROTECTED SPARK PLUG: Secure yet easy to change.
- ADJUSTABLE STRAPS: Dual adjustments for comfort.
- LIGHTWEIGHT POLYMER FRAME: Padded
- HIGH-TECH POLYMER HOUSINGS: Lightweight, withstand greater impact and are corrosion-resistant.
- NOZZLE: Increased wear area.
- ADJUSTABLE TUBE: Lets the operator choose the length that is right for them.
- JOYSTICK-STYLE HANDLE: Has throttle control and stop/run switch.
- PROTECTED CONTROL CABLES: Shield wires.
- LONG-LIFE CYLINDERS: Give maximum wear life, better cooling and lubrication, and more power output per cubic centimeter of engine displacement.
- SUPERIOR BALANCE AND DESIGN: Help reduce fatigue and make handling easy.
- REPLACEABLE "IN-TANK" FUEL FILTERS: Lowers cost and are easy to maintain.
- SMOOTH, CLEAN DESIGN: No rough edges to snag on clothing or brush.
- ELECTRONIC IGNITION: Provides easier starting, smoother running and no periodic maintenance.
- EASY-ACCESS CARBURETOR ADJUSTMENT SCREWS: Letsyou adjust the carburetor for local cutting conditions and altitude.
- ANTI-VIBRATION SYSTEM: Helps reduce operator fatigue.
- 2-RING PISTONS: Improve engine efficiency and hold compression longer than 1-ring pistons. Also they transfer heat from the piston to cylinder better, helping engine stay cooler and last longer.
- PROTECTED THROTTLE TRIGGER: Helps prevent damage.
Other Features
- ADJUSTABLE BLOWER TUBES: BR 500 has 2 positions, BR 550 and BR 600 have 3 positions.
- HEAVY DUTY: Pleated Air Filter
- HEAVY-DUTY CRANKSHAFT: For durability.
- INTELLICARB" COMPENSATING CARBURETOR: measures air on clean side of air filter and adjusts metering diaphragm in carburetor. Maintains RPM levels even when filter begins to clog.
- ELASTOSTART™ HANDLE: Has a built-in shock absorber for smoother starting.
- *STIHL handheld blowers have many common features. However, all models may not have all the features shown here. Consult your Dealer for details.
General Information
Dimensions
Weight
23.4 lbs. (10.6 kg)
Engine
Horsepower
2.9 kW (3.9 bhp)
Displacement
63.3 cc (3.86 cu. in.)
Fuel Tank Capacity
57.5 oz. (1,700cc)
Operational
Air Flow
Average Air Velocity - 186 mph (83 m/sec)Max Air Velocity - 219 mph (98 m/sec)
Air Volume - 642 cfm (1,090 m³/h)
Other
Miscellaneous
Sound Pressure Rating - 77 dB(A)