RM 448 T Lawn mower

Robust petrol lawn mower with 1-speed drive

With a cutting width of 46 cm the STIHL RM 448 T petrol lawn mower is ideal for medium-sized lawns, up to 1200m². Its effort-saving 1-speed drive is great for steeper lawns. Well thought-out details such as the super soft grip and easy running wheels make this mower comfortable to use, especially for longer periods. The grass level indicator on the catcher box shows you when it needs to be emptied, so you don't overfill and block the chute. For ease of use, the polymer grass catcher box is simple to open and empty thanks to a fold-open mechanism. The central cutting height adjustment can be adjusted to the desired lawn height in six settings. You can also mulch your lawn using the RM 448 T, this petrol lawn mower can be converted to a Multi-mower with the appropriate mulching kit available as an accessory. The RM 448 T comes with a 5 year extended domestic warranty (subject to registration and annual servicing).

Versions Price
RM 448 T Lawn mower £499.00*
  • Technical data
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    Technical data Value
    Lawns m² up to 1,200
    Cutting width cm 46
    Cutting height mm 25-75
    Grass catcher box l 55
    Engine type Series 575 EX OHV RS
    Displacement cm³ 140
    Nominal output 2.1 kW / 2.8 PS
    Working speed rpm 2,800
    Weight kg 26
    Vibration value ahw m/s² 3.9
    Uncertainty factor K m/s² 1.95
    Guaranteed sound power level LWAd [dB(A)] dB(A) 96
    Uncertainty factor KpA [dB(A)] dB(A) 2

  • Features
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    Standard features

    • Easy start engine (ReadyStart)

      Thanks to the ReadyStart technology, the engine of the STIHL petrol lawn mower can be reliably started up with minimal effort both during cold and warm starting. 


    • Self-propelled

      Self-propelled STIHL lawn mowers take the effort out of lawn mowing. The drive mechanism propels the mower without it physically having to be pushed. This makes working easier, especially on large lawns and inclines.

    • Highlift blade

      The highlift blade gives a precise finish to the lawn and ensures optimal filling of the grass catcher box. The blade creates a strong air current in the housing, which makes the grass stand upright before cutting and efficiently carries the clippings into the catcher box using an integrated and powerful air flow system.

    • Fold-open grass catcher box with level indicator

      The plastic grass catcher box can be easily opened and emptied thanks to its folding mechanism. The current of air produced during mowing blows the clippings into the grass catcher box and ensures a high degree of filling. Thanks to the downward-facing vanes, the air is guided sideways towards the ground, preventing dirt from being thrown up. The level indicator signals the correct time for emptying. The airflow generated by the blade raises the level indicator. When the basket is full, the airflow stops. If the airflow is too low, the level indicator returns to its idle state and this is an indication to empty the catcher box. Optimal airflow is required in order for the level indicator to function fully. External influences such as wet, dense or tall grass, a low cutting height, contamination, etc. may affect the airflow and the performance of the level indicator.

    • Smooth running wheels

      The smooth 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 to help hold perfect line during mowing.

    • Super soft grip

      The super soft grip is comfortable to hold, especially when used over longer periods.

    • Carrying handles

      This STIHL lawn mower is equipped with carrying handles to make transport simple and loading easy. The carrying handles are also suitable as lashing points for securing the lawn mower 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 lawn mower. This enables the lawn mower to be folded away compactly or made ready for action without using tools.

    • Polymer housing

      The extremely lightweight polymer housing combines high resistance and robustness against forces, heat and UV radiation.

    • Height-adjustable handlebar

      The handlebar can be set to several positions to suit your body height. This individual height adjustment ensures greater comfort without affecting the stability or manoeuvrability of the STIHL lawn mower.

    • 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 features

    • Mulching function

      During mulching, the mulching blade shreds the mown grass before it falls back into the turf as a nutritional fertiliser. And with the appropriate mulching kit available as an optional accessory for this lawn mower, the machine can also be converted into a Multi-mower.

  • Accessories
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    • Moto4Plus

      Power tool petrol developed specifically for STIHL small 4-stroke engines. User- and engine-friendly thanks to fewer emissions (free from ethanol; almost no olefins and aromatic compounds). Can be kept in storage for up to five years. Reliable top performance – STIHL small 4-stroke engines and STIHL Moto4Plus are made for each other; all conceivable applications have been rigorously tested.

      Versions Price
      Moto4Plus 5 l £19.00* Save and compare
      Save and compare
    • AMK 048 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 consists of a multi-blade and mulch insert. It is suitable for a cutting width of 46 cm.

      Versions Price
      AMK 048 Mulching kit £40.00* Save and compare
      Save and compare
    • SAE 30 engine oil

      High-performance engine oil for 4-stroke engines. For use in all conditions in gardens, with high-quality base oils and additives for ideal lubrication and low consumption, API SJ/CF.

      Versions Price
      SAE 30 - 600 ml £4.00* Save and compare
      Save and compare
  • Documents
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    Owners manuals

* Manufacturer's recommended retail price updated as of February 2021. The manufacturer's recommended retail prices are subject to change without notice.

The version(s) available in each country may differ from the above range and specifications; specific details may be subject to change without notice. Please ask your local STIHL Approved Dealer for further information.