RM 443
Versatile petrol lawn mower with 41 cm cutting width
General
The STIHL RM 443 petrol lawn mower with a cutting width of 41 cm is ideal for amateur gardeners who seek agile and fast mowing and manoeuvring on medium-sized lawns. It features practical details such as a fold-open, easy-to-empty grass catcher box with level indicator, as well as QuickFix clamping devices. A precisely cut lawn is ensured by the central cutting height adjustment with six settings. If you would like to also mulch your lawn using the RM 443, this petrol lawn mower can also be converted to a Multi-mower with the appropriate mulching kit available as an accessory.
Versions
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RM 443 Lawn mower
Deviations from the product range and information provided here are possible, depending on the country. STIHL reserves the right to make changes to technical specifications and equipment.
Product versions
- RM 443 T Versatile petrol lawn mower with 1-speed gearing
- RM 448 PC Universal petrol lawn mower with mono-comfort handlebar
- RM 448 T Robust petrol lawn mower with 1-speed gearing
- RM 448 TC Robust petrol lawn mower with mono-comfort handlebar
- RM 448 TX Petrol lawn mower with 1-speed gearing
- RM 448 VC Petrol lawn mower with Vario self-propulsion
Technical specifications

Technical specifications
Technical specifications | Value |
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Lawns | up to 1.200 m² |
Cutting height | 25-75 mm |
Cutting width | 41 cm |
Grass catcher box | 55 l |
Engine type | Series 550 EX OHV RS |
Displacement | 140 cm³ |
Nominal output | 2,1 kW / 2,8 PS U/min |
Working speed | 2.800 rpm |
Weight | 23 kg |
Guaranteed sound power level LWAd [dB(A)] | 94 dB(A) |
Sound pressure level uncertainty KpA | 2 dB (A) |
Vibration value ahw | 4,1 m/s² |
Uncertainty factor K | 2,05 m/s² |
Uncertainty factor KpA [dB(A)] | 2 dB(A) |
Deviations from the product range and information provided here are possible, depending on the country. STIHL reserves the right to make changes to technical specifications and equipment.
Features

Standard equipment
Retrofitted equipment
Deviations from the product range and information provided here are possible, depending on the country. STIHL reserves the right to make changes to technical specifications and equipment.
Accessories

Accessories
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STIHL Smart Connector
The Smart Connector can be attached to petrol-driven, electric, and cordless products, enabling it to deliver important information about your STIHL power tool via Bluetooth® 4.2. The Smart Connector offers entirely new functions and services, as a basis for device management both in your home garden using the STIHL connected app, and for managing your machine fleet using the STIHL connected Portal.
Technical specifications Value Weight 20 g Dimensions (l x b x h) 53 x 42 x 14 mm Signal range ca. 10 m Running time per battery charge ca. 1 Year Connectivity BLE 4,2 Battery 3V CR 2.032 -
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AMK 043 Mulching kit
The retrofittable mulching kit shreds the grass into fine grass particles during mowing. The fine grass clippings can then fall back onto the turf as a nutritious fertiliser. The accessory kit is suitable for a cutting width of 41 cm and consists of a multi-blade and mulch insert.
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APO 030 - Benzinabsaugpumpe
Mithilfe der Benzinabsaugpumpe für den STIHL Benzin Rasenlüfter RL 540 lässt sich das Benzin aus dem Tank absaugen und umfüllen.
Versions
- APO 030
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Deviations from the product range and information provided here are possible, depending on the country. STIHL reserves the right to make changes to technical specifications and equipment.
Documents
Owners manuals and safety brochures
Languages | Date | Link |
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27.04.2021 |