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The STIHL RT 5112 Z ride-on mower with a powerful 2-cylinder engine, large grass catcher box and wide (110 cm) cutting width, is perfectly designed for large lawns up to 8000 m². Enjoy the sprung loaded seat which is adjustable to all heights and master the controls which are close at hand: the forward/reverse drive lever at the steering wheel, the central cutting height adjustment, the blade clutch and the lever for effortless emptying of the grass catcher box.

The RT 5112 Z features a very powerful twin cylinder STIHL EVC 7000 engine for top level performance. In addition the single-pedal operation and direct steering provide a previously unattained level of comfort during driving, maneuvering and mowing. The Grass Guide System on both sides of the mowing deck catches grass blades at the edge of the deck and guides them towards the cutting blades. The synchronized blade system provides a neat and clean cutting pattern and class leading grass collection. The RT 5112 Z comes with a 5 year extended warranty (subject to registration and annual servicing).


Cutting width 110 cm
Cutting height 30 - 100 mm
Grass catcher box volume 350 l
Transmission type Hydrostatic
Fuel tank capacity 9 l
Engine type EVC 7000.0
Displacement 635 cm³
Rated power 12.2 kW / 16.6 hp
Rated speed 2700 r/min
Tool length 260 cm
Tool width 117 cm
Tool height 116 cm
Turning radius 1 m
Guaranteed sound power level 100 dB(A)
Measured sound pressure level 86 dB(A)
Sound pressure level uncertainty factor 2 dB(A)
Vibration level seat 0.98 m/s2
Uncertainty factor 0.49 m/s2
Vibration level steering wheel 4.4 m/s2
Uncertainty factor 2.2 m/s2
CO2 emission 850 g/kWh
Technical dataValue
Uncertainty factor K Seat m/s²0.49
Cutting width cm110
Uncertainty factor, sound pressure level KpA dB(A)2
Cutting height mm30-100
Vibration value ahw m/s²4.4
Displacement cm³635
Tank capacity l9
Uncertainty factor K Wheel m/s²2.2
Grass catcher box l350
Machine Length cm260
Machine Height cm116
Turning radius m0.7
Guaranteed sound power level LWAd [dB(A)] dB(A)100
Engine typeSTIHL EVC 7.000
Machine Width cm117
Vibration value ahw Seat m/s²0.98

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