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STIHL RMA 248.3 T 18" Cordless Lawn Mower (Tool Only)
£549.00 inc. VAT
STIHL RMA 443.3 V 16" Cordless Lawn Mower (Tool Only)
£649.00 inc. VAT
STIHL RMA 253.3 T 20″ Cordless Lawn Mower (Tool Only)
£599.00 inc. VAT
The STIHL RMA 253.3 T is a durable, self-propelled cordless lawn mower for homeowners. With a generous 20″ steel deck and versatile 4-in-1 mowing functions, it makes tackling medium-sized lawns effortless. Part of the AK System. (Tool Only).
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MAKE IT A KIT:
Need a battery and charger? Buy as a kit and save £££ (discount applied at checkout)
Description
Why buy the STIHL RMA 253.3 T 20″ Cordless Lawn Mower (Tool Only)?
- Wide 51cm (20″) cutting width ideal for small to medium lawns
- Single-speed wheel drive for effortless mowing on level ground and gentle slopes
- Durable, torsion-resistant sheet steel deck for a long service life
- Versatile 4-in-1 mowing: collect, mulch, side discharge, and rear discharge
- Features a height-adjustable and foldable mono-handlebar for comfort and compact storage
- Large 55-litre grass collector with a convenient fill-level indicator
Powerful and Versatile Cordless Mowing
The STIHL RMA 253.3 T is a battery-powered, single-speed lawn mower designed for homeowners seeking an efficient solution for small to medium-sized lawns. As part of STIHL’s acclaimed AK System, this quiet and lightweight mower is packed with innovative features that make it an ideal choice for home gardeners. Its robust sheet steel deck provides a generous 51cm (20″) cutting width, while the central cutting height adjustment offers a wide range from 20mm to 100mm, adapting perfectly to various lawn conditions.
Please note: This is a ‘Tool Only’ version and does not include a battery or charger. These must be purchased separately. A kit version including these items is also available.
Four Mowing Functions for a Perfect Finish
The RMA 253.3 T offers exceptional versatility with four different mowing methods available without the need for additional tools. Gardeners can choose the perfect option for their lawn’s needs:
- Cut & Collect: Use the 55-litre grass catcher box for a tidy finish.
- Cut & Drop: Simply remove the grass catcher box to allow clippings to fall back onto the lawn.
- Side Discharge: An integrated flap allows clippings to be discharged neatly to the side.
- Mulching: Use the multi-blade and integrated mulching function to finely shred clippings and return vital nutrients to the soil.
STIHL AK Battery System Performance
Powered by the interchangeable STIHL AK battery system, the RMA 253.3 T features two battery slots. This smart design allows for continuous work; when the first battery is depleted, the user can simply switch over to the second. The mower’s flow-optimised blades ensure minimal air resistance, maximising the energy used and extending the runtime. Below are the typical coverage areas per battery charge:
| Battery Model | Max. area per charge |
|---|---|
| AK 10 | up to 125 m² |
| AK 20 | up to 250 m² |
| AK 30 | up to 325 m² |
| AK 30 S (Recommended) | up to 325 m² |
Designed for Comfort and Durability
STIHL has engineered the RMA 253.3 T with user comfort in mind. The unique mono-handlebar provides unrestricted access to the 55-litre grass box, making it incredibly easy to remove and empty. This sturdy handlebar is also height-adjustable for ergonomic operation and folds away for compact storage. Smooth-running wheels ensure effortless manoeuvrability, while the integrated carry handle simplifies transport. Furthermore, its IPX4 rating certifies its protection against splashing water, making it suitable for use even in damp conditions.
As an authorised UK dealer for STIHL, Sims Garden Machinery has been serving customers for over 100 years. When purchasing from us, you receive more than just a box. Our trained sales staff are on hand to offer expert advice at our Stratford-upon-Avon showroom, ensuring you choose the right machine for your needs. For local customers, our service includes a free PDI (Pre-Delivery Inspection), local delivery, and a full handover demonstration by our team to get you started safely. All servicing and warranty work is carried out by our own trained mechanics in our on-site workshop, providing complete peace of mind for the life of your machine.
Not sure which machine or part is right for you?
Our team is here to help. Contact us today for expert advice.
Our team is here to help. Contact us today for expert advice.
Technical Specification
| Battery system | AK |
| Drive Speed | 3.5 km/h |
| Recommended battery | AK 30 S |
| Weight (without battery) | 31 kg |
| Cutting width | 51 cm |
| Cutting height | 20 – 100 mm |
| Rated speed | 3000 rpm |
| IP Rating | IPX4 |
| Max. area per charge (AK 10) | 125 m² |
| Max. area per charge (AK 20) | 250 m² |
| Max. area per charge (AK 30 / AK 30 S) | 325 m² |
| Grass catcher box volume | 55 l |
| Device width | 55 cm |
| Max. device height | 117 cm |
| Front wheel diameter | 180 mm |
| Rear wheel diameter | 200 mm |
| Measured sound pressure level LpA | 79 dB(A) |
| Guaranteed sound power level LWA | 94 dB(A) |
| Vibration, guide bar, ahw | 1.80 m/s² |
| Vibration uncertainty K | 0.90 m/s² |
Why buy from Sims Garden Machinery?
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 support
No call centres. No ticket systems. Just a knowledgeable local team you can speak to when you need help.
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.
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
Who is the STIHL RMA 253.3 T most suitable for?
The RMA 253.3 T is ideal for homeowners with small to medium-sized lawns, typically up to around 325m². Its single-speed self-propelled drive makes it particularly good for gardens with gentle slopes or for users who prefer not to push a mower, reducing fatigue during use.
What battery and charger do I need for this mower?
This is a ‘Tool Only’ model, so the battery and charger are sold separately. It is part of the STIHL AK System. For the best performance and maximum mowing area, the AK 30 S battery is recommended, but it is also fully compatible with the AK 10 and AK 20 batteries if you already own them from other AK tools.
What are the mowing options with the RMA 253.3 T?
This mower is highly versatile, offering four functions. You can use the standard collection with the 55-litre grass box, rear discharge (cut and drop) by removing the box, side discharge using the integrated flap, or mulching with the included multi-blade to naturally fertilise your lawn.
Is this lawn mower difficult to store?
No, storage is made simple thanks to the innovative mono-handlebar. It can be folded forward quickly and without tools, making the mower significantly more compact for easy storage in a shed or garage, saving valuable space.
User Manuals / Downloads
Additional information
| Dimensions | 120 × 60 × 62 cm |
|---|---|
| Brand | STIHL |
| 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). | Steel |
| Drive TypeHow the mower is propelled (e.g., Push, Self-Propelled, Variable Speed). | Self-Propelled |
| 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 |
| Power SourceThe primary energy source (e.g., Petrol 4-stroke, Battery, Electric). | Battery |
| Weight (Net)The weight of the machine itself, excluding any fuel and packaging (kg). | 31 |
| Battery SystemThe specific battery family or series this tool is compatible with (e.g., Stihl AP System). | STIHL AK System |
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Accessories & PPEShop Now STIHL at Sims Garden Machinery
Sims Garden Machinery is a family-run business, serving gardeners since 1908, and an Approved STIHL Dealer in Stratford-upon-Avon — with one of the largest STIHL displays in the region: over 12 metres of the full range to see, hold and compare in person. From petrol and cordless chainsaws to hedge trimmers, brushcutters, leaf blowers, lawn mowers and pressure washers, we stock the STIHL line-up for homeowners, rural estates and professionals right across Warwickshire.
The STIHL battery system
STIHL's AK, AP and AS cordless ranges run a whole set of tools from one battery. Come and see the range in person and we'll help you choose the system that suits your garden.
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Our on-site workshop services and repairs STIHL machines — whether you bought them from us or not — with genuine STIHL parts, chains and accessories. Plus free local delivery and handover on every new machine.
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- Each machine will be tested prior to delivery.
- Orders will be sent out via either ThePalletNetwork or DHL insured service.
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