RM 4.0 RT


The STIHL RM 4.0 RT petrol lawnmower is a mulching specialist. The specially shaped mulching blade shreds the grass step-by-step into fine particles, which then fall back onto the turf.

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In this way, the lawn is supplied with important nutrients. With this model, you choose an effective working machine, which ensures first-class results on large areas with its 53 cm cutting width. This mulching mower features Vario self-propulsion for comfortable working.

The engine speed of the powerful engine always remains stable, even if you change the propulsion speed. The RM 4 RV combines design with comfort equipment features. The anti-vibration elements ensure effort-saving smooth running during mowing and provide for better machine guidance during lengthy periods of work. The foldable handlebar and the QuickFix clamping device enables effortless and space-saving transport. And thanks to the five-setting cutting height adjustment of the petrol lawnmower, you are certain to achieve a perfectly cut lawn. During mulching and mowing, you can always be sure to obtain precise results and to provide your lawn with an optimal basis for new growth.

Technical Specifications:

  • Lawns up to 2.500 m²
  • Cutting height 30-70 mm
  • Cutting width 53 cm
  • Engine type Series XT675 OHV SC
  • Displacement 149 cm³
  • Nominal output 2,2 kW / 3,0 PS
  • Working speed 2.800 rpm
  • Weight 36 kg
  • Guaranteed sound power level LWAd [dB(A)] 93 dB(A)
  • Vibration value ahw 3,2 m/s²
  • Uncertainty factor K 1,6 m/s²
  • Uncertainty factor KpA [dB(A)] 2 dB(A)


Easy start engine (SmartChoke)

Thanks to the SmartChoke technology, the engine of the STIHL petrol lawnmower starts up reliably and with minimal effort both during cold and warm starting.

Vario self-propulsion

The Vario self-propulsion enables individual adaptation of the speed of the STIHL lawnmower to personal mowing habits and lawn conditions. The mowing speed can be infinitely varied using the control lever on the handlebar.

Mulching blade

With the specially shaped mulching blade, the grass is cut in stages and shredded into fine particles in the housing. The fine grass clippings can then fall back onto the turf as a nutritious fertiliser.

Easy-running wheels

The easy-running wheels of the STIHL lawn mowers are extremely robust and hard-wearing. They have been equipped with a traction pattern and directional stability tread pattern for effortless manoeuvring and perfect line holding during mowing.

Super-soft grip

Particularly ergonomic and pleasant handling is ensured by the super-soft grip of the STIHL lawnmower.

Carrying handles

This STIHL lawnmower is equipped with carrying handles to make transport simple and loading easy. The carrying handles are also suitable as lashing points for securing the lawnmower with a strap during transport.

QuickFix quick-clamping devices

The QuickFix clamping devices can be used to effortlessly fasten or release the handlebar of the STIHL lawnmower. This enables the lawnmower to be folded away compactly or made ready for action without using tools.

Sheet steel housing

Thanks to a torsion-resistant sheet steel construction, the housing is particularly robust. Durability during demanding use is therefore guaranteed.

Central cutting height adjustment

The central cutting height adjustment is spring-loaded, which makes it easy to set the desired cutting height in several settings. The current height is indicated by a scale.

Additional information

Weight 36 kg



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