STIHL RT 5112 Z Petrol Ride-On Mower
Perfect for lawns up to 8,000 m², this STIHL ride on mower combines a powerful twin-cylinder engine, wide 110cm cutting deck, and 350-litre catcher box with A1 user comfort. Featuring hydrostatic drive, an electromagnetic blade clutch, and 5-year warranty too, it’s built to deliver premium levels of performance.
RRP: £5159
Our Price: £4,395.00 (inc VAT)
Only 1 left in stock
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Fully assembled, tested, and delivered by our team. Free within 100 miles of WR5 1HF – contact us for a delivery quote beyond this area.
About the STIHL RT 5112 Z Petrol Ride-On Mower
STIHL RT 5112 Z Petrol Ride-On Mower: Perfect for Managing Large Lawns
When it comes to keeping an expansive garden or estate looking immaculate, nothing beats the convenience offered by STIHL ride on lawnmowers. Designed for lawns up to 8,000 m², the STIHL RT 5112 Z Petrol Ride-On Mower offers a perfect combination of powerful performance, exceptional user comfort, and high-precision cutting. It’s a machine that proves you can enjoy top-end quality while still being savvy on price.
Strong Engine for Demanding Work
At the heart of this STIHL lawn tractor lies a powerful EVC 7000 twin-cylinder petrol engine, producing up to 12.2 kW (16.6 hp) from its 635 cm³ capacity. This engine delivers all the muscle you need for covering very large areas with ease, while the 9-litre fuel tank ensures long sessions are possible without pitstops. Despite its power, this STIHL sit on lawn mower is impressively quiet, creating just 86 dB(A) at the operating position, so you can work comfortably in both rural and suburban environments without disturbing the peace.
Smooth, Simple Driving
Driving the RT5112Z STIHL ride on mower feels natural and intuitive thanks to its hydrostatic transmission, controlled by a single pedal. This setup removes the need for gear changes, leaving you free to focus on your surroundings. You can switch between forward and reverse instantly using the lever at your side, while a dedicated brake pedal ensures confident stopping power. This balance of agility and control makes navigating flowerbeds, borders and trees straightforward, transforming mowing into a task that you’ll enjoy.
Wide Deck for a Precise Cut
The RT5112Z STIHL lawn mower tractor is fitted with a 110 cm (43-inch) cutting deck, featuring two synchronised blades that overlap at right angles. This design produces a clean, even finish across wide swathes of grass, reducing the time it takes to cover your lawn. Cutting height can be adjusted centrally between 30 mm and 100 mm, with a clearly marked scale and easy-to-reach lever beside the seat. Whether you want a close trim for a neat summer lawn or a higher cut to deal with thicker spring growth, this STIHL ride on lawnmower gives you complete control over the finish.
Efficient Grass Collection and Mulching Option
No one wants to spend extra time tidying up after mowing, which is why the RT 5112Z is fitted with a clever catching management system. It directs clippings smoothly towards the blades, ensuring grass is collected right up to the edge. The extra-large 350-litre polymer grass box provides ample storage without adding excess weight, and can be emptied easily from the driver’s seat using a curved handle designed for comfort. If you prefer a more natural approach, the optional AMK 127 mulching kit is available to add to your basket, turning clippings into fine mulch that helps feed nutrients back into the soil.
Useful Blade Control
Preserving the blades’ condition is refreshingly straightforward, thanks to an electromagnetic blade clutch that lets you control the cutting system directly from your seat. This means you can raise the deck when crossing gravel paths or rough patches, protecting both the blades and wider deck. Once back on grass, simply re-engage the system at the touch of a button. It’s a detail that adds convenience while also helping extend the blades’ lifespan.
Comfort Right at the Forefront
This STIHL lawn mower ride on has a design that puts operator comfort first. The spring-loaded seat adjusts easily (without tools) to suit your height, ensuring you can adopt a healthy and relaxed posture. A low step-through frame makes climbing on board simple, while generous legroom keeps you comfortable during long sessions. The ergonomic steering wheel and well-positioned controls further reduce operator fatigue, while specialist turf tyres protect delicate lawns from scuffing. All of this adds up to a mowing experience that’s as pleasant as it is productive.
Built for More Than Lawncare
Weighing 258 kg, the RT5112Z STIHL riding mower is robust enough to handle demanding conditions while remaining simple to drive. Its strong frame not only improves stability but also supports a range of optional accessories, such as a deflector, snow chains, and snow clearing set. (You can also purchase a covering hood to protect your investment when it’s not in use.) This adaptability transforms the machine into a true STIHL garden tractor, offering value beyond the mowing season and enabling year-round use.
Generous Warranty for Peace of Mind
Like all STIHL ride on mowers for sale, the RT5112 Z comes with a generous five-year extended warranty when registered and serviced annually. This impressive coverage underlines why STIHL ride on mower prices represent such great long-term value, combining premium engineering with reliable aftercare.
Make the Smart Choice Today
When you need a dependable, comfortable and high-performing ride on mower for a large lawn, the STIHL RT 5112 Z is a really smart choice. Its engine power, wide cutting deck, efficient grass collection and ergonomic design work together to save you time while achieving a superb finish. If you’re ready to elevate your lawncare routine, choose this STIHL lawn mower tractor today and experience the difference that a professional-quality machine can make.
STIHL RT 5112 Z Petrol Ride-On Mower Technical Information
- Displacement: 635 cm³
- Rated power: 12.2 kW / 16.6 hp
- CO₂: 850 g/kWh
- Gear type: Hydrostatic
- Motor type: EVC 7000.0
- Device weight without refuelling: 258 kg
- Cutting width: 110 cm
- Cutting height: 30 – 100 mm
- Tank capacity: 9 l
- Rated speed: 2700 r/min
- Turning radius: 0.7 m
- Grass catcher box volume: 350 l
- Device length without grass catcher box: 206 cm
- Device length with grass catcher box: 260 cm
- Device width with mowing unit: 117 cm
- Device height to seat: 116 cm
- Sound power level, guaranteed LWA: 100 dB(A)
- Measured sound pressure level LpA: 86 dB(A)
- Uncertainty factor, sound pressure level KpA: 2 dB(A) 1)
- Vibration level at seat: 0.98 m/s²
- Uncertainty, vibration on seat: 0.49 m/s² 1)
- Vibration level at steering wheel: 4.4 m/s²
- Uncertainty, vibration on steering wheel: 2.20 m/s² 1)
1)Uncertainty according to Directive 2006/42/EC








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