Sprayer and duster
Switch between liquid and solid compounds without changing to another machine.
STIHL® GAS PROFESSIONAL GAS SPRAYER / DUSTER
SR 450
Professional gas backpack machine that applies both liquid and solid compounds.
3.7 galContainer capacity3.9 BHPPower output3.9 in³Displacement
Prices and availability may change. STIHL.com opens with Garland Saw selected as dealer 55279.
Online checkout is completed securely on STIHL.com with Garland Saw & Lawnmower selected for local pickup.
Container capacity3.7 gal
Power output3.9 BHP
Displacement3.9 in³
Dry weight28.2 lb
Choose by capacity and application
Powered reach for larger areas.
The SR 450 converts between misting and dusting without special tools, giving professional users one machine for two application types.
Container capacity3.7 gal
Power output3.9 BHP
Displacement3.9 in³
Dry weight28.2 lb
Fuel capacity57.5 fl oz
ApplicationLiquid + granular
Adjustable material feed
Controls help tune product flow and air speed to the application.
Professional backpack support
An adjustable harness and anti-vibration system reduce fatigue during longer work.
For your sprayer or mistblower
Genuine STIHL accessories
Garland Saw can confirm nozzle, pressure-pump, extension and battery-system compatibility before purchase.
Prices and availability may change. Contact Garland Saw to confirm the model or part number and current availability.
Safety & product information
Use it safely.
Read and follow the operator’s manual and all safety instructions supplied with the product.