STIHL RMA 453.3 PV 20" Cordless Lawn Mower (Tool Only)
STIHL RMA 453.3 PV 20" Cordless Lawn Mower (Tool Only) Original price was: £779.00.Current price is: £729.00. inc. VAT
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STIHL RM 448.3 V 18" Petrol Lawn Mower
STIHL RM 448.3 V 18" Petrol Lawn Mower Original price was: £699.00.Current price is: £619.00. inc. VAT

STIHL RM 253.3 T 20″ Petrol Lawn Mower

Original price was: £579.00.Current price is: £519.00. inc. VAT

The STIHL RM 253.3 T is a versatile and powerful self-propelled petrol lawn mower. With a 20″ cutting width and 4-in-1 mowing functions, it’s perfect for homeowners with medium to large-sized lawns up to 1800m².

In Stock
Description

Why buy the STIHL RM 253.3 T 20″ Petrol Lawn Mower?

  • Powerful STIHL EVC 205 petrol engine with easy-start system
  • Generous 51 cm (20″) cutting width ideal for medium to large lawns up to 1800 m²
  • Single-speed wheel drive for effortless mowing, especially on slopes
  • 4-in-1 functionality: Collect, Mulch, Side Discharge, and Rear Discharge
  • Large 55-litre grass catcher box with integrated fill-level indicator
  • Robust and durable torsion-resistant sheet steel deck

The STIHL RM 253.3 T is a robust, single-speed petrol lawn mower designed for homeowners managing small to medium-sized lawns. As part of STIHL’s 2 Series range, it is equipped with a host of innovative features that make it an excellent choice for the home gardener seeking efficiency and ease of use.

This mower is constructed with a durable sheet steel deck and features a wide 51 cm cutting width. The cutting height can be easily adjusted via a single point lever, offering a range from 20 mm to 100 mm to suit various lawn conditions. Powering the RM 253.3 T is the reliable STIHL EVC 205 engine, which features an easy-start system to ensure you can get to work with minimal effort. With a full tank of fuel, this machine is capable of mowing lawns up to approximately 1800 m².

Versatile Mowing Functions

The RM 253.3 T provides exceptional versatility with four different mowing methods, all achievable without additional tools. Users can choose to cut and collect with the 55-litre grass catcher box, cut and drop by simply removing the box, use the integrated side discharge flap for tackling longer grass, or mulch to finely shred clippings and return them to the lawn as a natural fertiliser.

Ergonomic Design and User Comfort

STIHL has focused on user comfort with the inclusion of an ergonomic comfort mono-handlebar. This design allows for easy access to the grass catcher box, simplifying removal and emptying. A convenient fill-level indicator on the box lets you know exactly when it’s time to empty. The super-soft grip on the handlebar absorbs vibrations, protecting the user’s arms during operation. For storage, the sturdy handlebar is height-adjustable and features a Quick-Fix tensioner, allowing it to be folded compactly without tools.

Built for Durability and Performance

The RM 253.3 T is engineered for a long service life. Its torsion-resistant sheet steel housing is highly robust, while the smooth-running wheels provide excellent traction and directional stability, ensuring effortless manoeuvrability. The single-speed wheel drive propels the mower forward, making it much easier to mow larger areas and gentle inclines with less physical effort from the operator.

The Sims Advantage: Buy from an Authorised UK Dealer

Sims Garden Machinery, with over 100 years of experience, is an authorised UK dealer for STIHL. When you purchase a STIHL RM 253.3 T from us, you are buying more than just a machine in a box. Our trained sales staff are on hand to offer expert advice at our Stratford-upon-Avon showroom, ensuring you choose the right product for your needs. Furthermore, our dedicated workshop is staffed by factory-trained mechanics who provide comprehensive after-sales support and servicing. For local customers in areas such as Warwickshire, Worcestershire, and the Cotswolds, we offer a free Pre-Delivery Inspection (PDI), assembly, and a personal handover demonstration to ensure you are confident and safe using your new mower. This commitment to service is what sets us apart from online-only retailers.

Not sure which machine or part is right for you?
Our team is here to help. Contact us today for expert advice.

Technical Specification

Cutting Width 51 cm / 20″
Recommended Lawn Area Up to 1800 m²
Cutting Height 20 – 100 mm
Cutting Height Adjustment 7-level (central)
Engine Type STIHL EVC 205.0
Engine Displacement 127 cm³
Drive Self-propelled (Single speed, 3.5 km/h)
Grass Catcher Box Volume 55 litres
Device Weight 34 kg
Deck Material Sheet Steel
Handlebar Comfort mono-handlebar, folding
Guaranteed Sound Power Level LWA 97 dB(A)
Measured Sound Pressure Level LpA 83 dB(A)
Vibration Value (Handlebar) ahw 4.40 m/s²
Uncertainty Factor K 2.20 m/s²

Why buy from Sims Garden Machinery?

Authorised Dealer

Authorised main dealer

We are authorised dealers for leading brands, meaning genuine parts, manufacturer-approved training, and warranty support you can rely on.

Real People

Real people, real support

No call centres. No ticket systems. Just a knowledgeable local team you can speak to when you need help.

Expert Advice

Expert advice — not pushy sales

Our team are trained mechanics and product specialists, so you get honest, practical advice based on how you’ll actually use the machine.

Since 1908

Established, independent family business

We’re a long-standing independent dealer with deep roots in the local area — built on reputation, repeat customers, and word of mouth.

Frequently Asked Questions

Frequently Asked Questions

Who is the STIHL RM 253.3 T lawn mower best suited for?

The STIHL RM 253.3 T is ideal for homeowners with medium to large-sized lawns, up to a recommended area of 1800 m². Its self-propelled drive makes it particularly suitable for gardens with gentle slopes or for users who prefer not to push a mower, reducing physical effort. Its versatility and straightforward operation also make it a great choice for entry-level users wanting a high-quality petrol mower.

What are the different mowing options available on the RM 253.3 T?

This mower offers four distinct functions without needing extra tools. You can: 1) Cut and Collect using the 55-litre grass box. 2) Mulch to finely shred clippings and return them to the lawn as a natural fertiliser. 3) Side Discharge, which ejects cuttings from the side, useful for longer grass. 4) Rear Discharge (Cut & Drop) by removing the collector, which leaves the clippings on the lawn.

Will my lawn mower arrive ready to use?

Purchasing from an authorised dealer like Sims Garden Machinery offers a superior experience to buying from a ‘box-shifter’. For our local customers, every mower undergoes a full Pre-Delivery Inspection (PDI) by our trained mechanics. This includes assembly, adding oil and fuel, and a full test. We then provide a personal handover to demonstrate the controls. For national deliveries, the mower is shipped in its original packaging and will require some minor assembly, such as attaching the handlebar and grass box. Oil will be included but will need to be added before the first start.

How is the cutting height adjusted?

The cutting height is adjusted using a single, spring-loaded central lever. This convenient system allows you to easily change the cutting height across 7 different levels, from as low as 20 mm to as high as 100 mm, to perfectly match the condition of your lawn.

User Manuals / Downloads


View STIHL Brochure

Additional information
Dimensions120 × 60 × 62 cm
Brand
Engine SizeThe displacement of the engine in cubic centimetres (cc).127
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).sheet steel
Drive TypeHow the mower is propelled (e.g., Push, Self-Propelled, Variable Speed).Self-Propelled
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
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About STIHL
We stock a wide range of STIHL garden tools at Sims Garden Machinery. STIHL is an industry renowned garden machine company, producing a wide range of lawnmowers, with both petrol and electric engines. STIHL lawnmowers are available in both push and self-propelling models. STIHL also produces heavy-duty chainsaws, hedge trimmers, and brushcutters, perfect for professional work. We also sell a range of STIHL leaf blowers, with both handheld and backpack models available. There is also a selection of STIHL clothing and accessories, including protective helmets and boots. Our range of STIHL garden tools can be delivered across the UK. If you have ordered gardening equipment, such as a lawnmower or chainsaw, a member of our team will assemble and demonstrate it for you upon delivery.
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Shipping & Delivery

FREE PDI, DELIVERY & HANDOVER

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.

NATIONAL DELIVERY

  • Each machine will be tested prior to delivery.
  • Orders will be sent out via either ThePalletNetwork or DHL insured service.
SKU: S5-STIHL RM253.3T Categories: ,