RT 4112 SZ
Powerful ride-on mower with 2-cylinder engine
General
With the compact RT 4112 SZ ride-on mower, you can even cope with major gardening tasks. In order to drive this powerful model effortlessly and safely, it offers equipment features that provide for simple operation and a high level of driving comfort. These include single-pedal self-propulsion 1 with which you can quickly select between the forward and reverse gear and between standstill and top speed. The sporty design, low step and comfortable driver's seat, which can be adapted to your body size without tools, ensure pleasant working conditions. The blades of the mowing deck can be activated and deactivated with ease from the control panel. Thanks to the catching management system on both sides of the mowing deck, the grass blades are gathered in ideal manner across the entire cutting width. The side discharge ensures that you can mow extensive areas in a single working operation. Your clippings are distributed over the lawn, meaning that no emptying of the grass catcher box is required.
Versions
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RT 4112 SZ
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.
Technical specifications

Technical specifications
Technical specifications | Value |
---|---|
Uncertainty factor K Seat | 0,25 m/s² |
working speed | 2.950 rpm |
Measured sound pressure level LpA | 86 dB(A) |
Cutting width | 110 cm |
Uncertainty factor, sound pressure level KpA | 2 dB(A) |
Cutting height | 35-90 mm |
Nominal output | 12,6 kW / 17,1 PS |
Displacement | 635 cm³ |
Tank capacity | 9 l |
Machine Height | 118 cm |
Guaranteed sound power level LWAd [dB(A)] | 100 dB(A) |
Machine W | 132 cm |
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
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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14.07.2021 |