Original price was: £779.00.£649.00Current price is: £649.00. inc. VAT
The STIHL RM 453.3 V petrol lawn mower brings exceptional versatility to medium and large gardens. With a wide 21″ cut and Vario self-propulsion, it adapts to your pace and lawn conditions effortlessly.
The STIHL RM 453.3 V is a highly capable self-propelled petrol lawn mower from STIHL’s 4 Series range, engineered for homeowners tackling medium to large, challenging gardens. Its blend of power, convenience, and versatility makes it an excellent choice for maintaining lawns up to 1200m² on a single tank, with the capacity to handle up to 1800m² under optimal conditions.
This mower offers exceptional flexibility with its four distinct mowing methods, which can be changed without needing any additional tools. You can choose the best option for your lawn’s condition and desired finish:
The RM 453.3 V is built upon a rugged polymer deck that is not only lightweight but also rust-proof, petrol-resistant, and double-layered for extra stability. Power is delivered by a reliable STIHL EVC 300 engine, featuring an easy-start system for minimal effort whether the engine is cold or warm. The Vario self-drive allows you to adjust the forward speed to perfectly match your walking pace and the terrain. Smooth-running wheels enhance manoeuvrability and control, ensuring a comfortable mowing experience.
STIHL has integrated several features focused on operator comfort. The innovative comfort mono-handlebar provides unrestricted access to the 55-litre grass catcher box, which includes a fill-level indicator and is designed for easy opening and emptying. The super-soft handle grip absorbs vibrations to protect the user’s arms. For storage, the Quick-Fix quick-release tensioners allow the handlebar to be folded down compactly without tools. A central, spring-loaded lever makes adjusting the cutting height simple, with a range from a low 20mm up to 100mm.
As an established STIHL authorised dealer in the UK, Sims Garden Machinery offers more than just a machine in a box. With a history stretching back over a century, the team provides expert guidance and complete aftersales support. The trained sales staff at the Stratford-upon-Avon showroom can help you choose the perfect mower, while the on-site workshop with its team of trained mechanics ensures your investment is supported for years to come. For local customers, this machine includes a free Pre-Delivery Inspection (PDI), personal delivery, and a full handover demonstration to ensure you are confident and ready to mow.
| Displacement | 166 cm³ |
| Drive Speed | 2.4 – 4.2 km/h |
| Motor Type | EVC 300.1 |
| CO2 | 922 g/kWh |
| Device Weight | 33 kg |
| Max. Lawn Area | 1800 m² |
| Cutting Width | 51 cm |
| Cutting Height | 20 – 100 mm |
| Rated Engine Speed | 2800 r/min |
| Grass Catcher Box Volume | 55 l |
| Device Width | 57 cm |
| Max. Device Height | 108 cm |
| Front Wheel Diameter | 190 mm |
| Rear Wheel Diameter | 215 mm |
| Measured Sound Pressure Level LpA | 82 dB(A) |
| Guaranteed Sound Power Level LWA | 97 dB(A) |
| Uncertainty Factor KpA | 2 dB(A) |
| Vibration Guide Bar ahw | 4.40 m/s² |
| Vibration Uncertainty K | 2.20 m/s² |
We are authorised dealers for leading brands, meaning genuine parts, manufacturer-approved training, and warranty support you can rely on.
No call centres. No ticket systems. Just a knowledgeable local team you can speak to when you need help.
Our team are trained mechanics and product specialists, so you get honest, practical advice based on how you’ll actually use the machine.
We’re a long-standing independent dealer with deep roots in the local area — built on reputation, repeat customers, and word of mouth.
The STIHL RM 453.3 V is specifically designed for medium to large domestic lawns. STIHL states it can comfortably mow lawns up to 1200 m² on a single tank of fuel, and is capable of handling areas up to a maximum of 1800 m² under ideal conditions.
The RM 453.3 V is a versatile 4-in-1 mower. It can be used for standard cutting and collection with the 55-litre grass box, cutting and dropping (rear discharge), side discharge using the integrated flap for longer grass, or mulching with the included multi-blade and attachment to naturally fertilise your lawn.
Yes, it features STIHL’s Vario self-drive system. The mowing speed can be smoothly and infinitely adjusted between 2.4 and 4.2 km/h using a control lever on the handlebar, allowing you to match the pace to your comfort and the lawn’s condition.
This mower features a central, single-point cutting height adjustment system. A single spring-loaded lever allows you to easily change the height across a wide range, from 20 mm for a close cut up to 100 mm for longer grass.
| Dimensions | 120 × 60 × 62 cm |
|---|---|
| Brand | STIHL |
| Engine SizeThe displacement of the engine in cubic centimetres (cc). | 166 |
| Blade Brake ClutchIndicates if the blade can be stopped while the engine keeps running. | FALSE |
| Collector SizeThe capacity of the grass collection bag or box in litres. | 55 |
| Cutting MethodThe cutting mechanism used (e.g., Rotary or Cylinder). | Rotary |
| Cutting WidthThe width of the grass cut in a single pass. | 51 cm |
| Deck MaterialThe material the cutter deck is constructed from (e.g., Steel, Aluminium). | Polymer |
| Drive TypeHow the mower is propelled (e.g., Push, Self-Propelled, Variable Speed). | Variable Speed |
| Electric StartIndicates if the machine features a key or push-button electric starter. | FALSE |
| Mowing FunctionsAvailable mowing modes (e.g., Collection, Mulching, Side-Discharge). | [“Collection”,”Mulch”,”Side-Discharge”] |
| Rear RollerIndicates if the mower features a rear roller for creating lawn stripes. | FALSE |
As a brand, STIHL's international reputation goes before it and the name is well known and respected by homeowners and gardening professionals alike.
STIHL has created and honed a number of innovations, particularly in the development of its chainsaws, one of its flagship products. STIHL chainsaws are well known and sought after for their power, sturdy construction, durability and user-friendly features!
We offer a free delivery service for all machines within a 30 mile radius. Not only that; we build, inspect and run up every machine prior to delivery. Making sure you get a fully functional machine that is set-up and ready for use. On delivery we will run through with you any instructions & maintenance advice so you are comfortable with your new machine.
Free local delivery and handover
Industry trained sales team
In-house machinery repairs
Family run since 1908
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