STIHL SR 450 Mist Blower / Sprayer

The STIHL SR 450 is a high-capacity, professional-grade mist blower designed for agriculture, horticulture, forestry, and pest control applications. Equipped with a 63.3 cc (3.9 cu-in) petrol engine that delivers 2.9 kW of power, it offers outstanding performance for large-scale spraying tasks.

Featuring a large 14 L (3.7 US gal) chemical tank and a 1.7 L (57.5 fl.oz) fuel tank, the SR 450 provides extended operation with fewer refills, making it highly efficient for treating orchards, plantations, nurseries, and wide crop areas.

With an air throughput of 1,300 m³/h (765 cfm), this blower ensures powerful atomization and uniform chemical coverage. It can reach a maximum horizontal spraying distance of 14.5 metres, giving farmers and professionals the ability to effectively cover tall crops, orchards, and expansive fields.

Despite its large capacity and high output, the SR 450 is ergonomically designed with comfortable backpack straps and well-balanced weight distribution. At 12.7 kg (28 lbs) (dry weight), it remains practical for long working sessions.

The SR 450 is engineered with STIHL’s reliability, ensuring durability even under demanding agricultural conditions, while providing operators with efficiency, comfort, and productivity in crop care and pest management.

🔹 Key Features

• 63.3 cc (3.9 cu-in) engine, 2.9 kW power output

• 14 L (3.7 US gal) container capacity for extended spraying coverage

• 1.7 L (57.5 fl.oz) fuel tank for long working autonomy

• Air throughput: 1,300 m³/h (765 cfm) for strong and consistent misting

• Spraying reach: up to 14.5 m horizontally

• Weight: 12.7 kg (28 lbs) without fuel

• Ergonomic backpack design for professional use

• Optimized for orchards, plantations, forestry, and pest control

The STIHL SR 450 delivers powerful misting capacity, large coverage, and professional comfort, making it a trusted choice for farmers, foresters, and crop protection specialists.

Technical details