SR 450 Petrol Mistblower
Backpack mistblower with 2-MIX engine
Overview
Powerful 2-in-1 backpack mistblower for spraying large areas of liquid and dusting and spraying granules. With a spraying distance of up to 14.5 metres and easy to use functions, this model allows you to work efficiently and in comfort. The 2 in 1 conversion mechanism allows you to switch from spraying liquid to dusting granules in no time.
Versions
Price-
SR 450£900.00*
* Manufacturer's recommended retail price updated as of May 2022. The manufacturer's recommended retail prices are subject to change without notice.
The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.
Technical data

Technical data
Technical data | Value |
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CO2 g/kWh | 977 |
Capacity cm3 | 63.3 |
Weight kg 1) | 12.8 |
Sound pressure level dB(A) 2) | 101 |
Sound power level dB(A) 2) | 110 |
Sound power level dB(A) 2) | 109 |
Vibration value, right m/s2 3) | 1.9 |
Maximum air flow m3/h 4) | 1.300 |
Horizontal spray width m | 14.5 |
Performance kW | 2.9 |
Tank volume l | 1.70 |
Air throughput with Round Nozzle m3/h 5) | 920 |
1) Without fuel, complete
2) K-factor according to DIR 2006/42/EC = 2.5 dB (A)
3) K-factor according to DIR 2006/42/EC = 2m / s ²
4) Without blowing tube
5) With Round Nozzle
The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.
Features

Standard features
The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.
Accessories

Accessories
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Hip belt
The hip belt evenly distributes the weight of the device. It is comfortable to wear and reduces strain on your back - even when working over extended periods of time.
Versions
Price- Hip belt for BR 320, BR 340, BR 350, BR 420, BR 430, BR 450, SR 200, SR 420, SR 430, SR 450 £43.33*
* Manufacturer's recommended retail price updated as of May 2022. The manufacturer's recommended retail prices are subject to change without notice.
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Pressure pump kit
The pressure pump keeps the amount of spray constant and mixes the liquid in the tank. Contains a set of nozzles.
Versions
Price- Pressure pump kit for SR 450 £135.36*
* Manufacturer's recommended retail price updated as of May 2022. The manufacturer's recommended retail prices are subject to change without notice.
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Extension tube
Extends the spraying tube by 33 cm. Pressure pump is also recommended with this accessory. Suitable for SR 450.
Versions
Price- Extension tube for SR 450 £13.29*
* Manufacturer's recommended retail price updated as of May 2022. The manufacturer's recommended retail prices are subject to change without notice.
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Set of ULV nozzles
Important for optimum distribution of fertiliser, and enables dusting to be carried out with extremely fine droplets. Suitable for the SR 450.
Versions
Price- ULV nozzles for SR 450 £12.84*
* Manufacturer's recommended retail price updated as of May 2022. The manufacturer's recommended retail prices are subject to change without notice.
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The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.
Documents
Owners manuals and safety brochures
Languages | Date | Link |
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04/02/2022 |