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Allett Kensington 20K Cylinder Lawnmower

£1,239.00inc vat£1,339.00

  • Availability: In Stock
  • Estimated Dispatch: 2 - 3 working days
  • Manufacturer: Allett
  • Delivery Charge: Free To UK Mainland

The Kensington 20K is a self-propelled cylinder mower powered by a potent 98cc Kawasaki four-stroke petrol engine making it ideal for anyone seeking to keep their lawn in peak condition.

Optional Extras:

  • Lawnmower Starter Kit
    Purchase a lawnmower starter kit with your new petrol lawnmower for some useful extras to help your lawnmower perform better for longer. Available in two varieties (one for Honda engines, and one for Briggs and Stratton engines).
    £14.99-£15.99 Select options
  • Allett 20-inch QC Grooming Lawn Brush Cassette
    Clear general surface debris, renovate seed material or work in a top dressing using this highly versatile lawn brush cassette. Fits the Kensington 20K.
    £179.00 £169.00
  • Allett 20-inch QC Aerator Cassette
    This aerator cassette slits the soil to allow air and water to the roots of your lawn. It will also prune the roots, causing vigorous growth and activity. Fits the Kensington 20K.
    £155.00 £144.00
  • Allett 20-inch QC 10-Blade Cylinder Cassette
    Upgrade any Allett Kensington petrol cylinder mower with a Ten-blade Cutting Unit. Simply slot into place for an even more precise finish. For use with the 20K.
    £240.00 £225.00
  • Allett 20-inch QC Verticut Cassette
    The thin and closely spaced tines of the Verticut Cassette help remove unwanted lateral growth and moss. Encourage your grass to tiller and create a dense, more regimented sward. Fits the Kensington 20K.
    £299.00 £279.00
  • Allett 20-inch QC De-thatcher Cassette
    Easily remove dense thatch using this dethatcher cassette. The thick, wider spaced tines penetrate the soil to a depth of 6mm. Fits the Kensington 20K.
    £184.00 £174.00
  • Allett 20-inch QC Lawn Scarifier Cassette
    Available for machines in the Kensington and Classic ranges, Scarifying Cassettes can be quickly slotted in place of the original five- or six-blade cutting unit to convert your mower into a powered rake for the removal of moss and litter from your lawn.
    £179.00 £169.00

Product Description

Allett’s precision, single-cylinder machines have for decades been the lawnmower of choice for a wide range of people and organisations, from top Premier League football clubs and professional groundsmen to keen home gardeners, united by a commitment to maintaining a superb surface on their lawns and turfs; something for which Allett mowers have a deserved reputation. By investing in one of Allett’s Kensington petrol mowers, including the 14K, 17K and 20K, you therefore not only acquire a first-rate machine, but also join a proud tradition of gardeners dedicated to achieving a luxurious manicured finish on their lawns.

The Kensington 20K has the largest cutting width of any of Allett’s Kensington range at 51 cm, and is fitted as standard with a six-blade “Quick Cartridge” cutting cylinder capable of delivering up to 79 cuts per metre. The clean and efficient cut offered by the Kensington 20K can be further improved by the addition of the optional ten-blade cutting cylinder (available separately), which slots quickly and easily into place and increases the clip rate to around 131 cuts per metre. The 20K’s cutting height can be adjusted to precision to suit your needs, over a range of 6mm-32mm, and the inclusion of a static grass rake in front of the cutting cylinder lifts grass to ensure a finer and more even cut.

In addition to the cutting cylinder, the self-propelled Kensington 20K’s potent 98cc Kawasaki four-stroke petrol engine also supplies power to the rear roller, thereby taking much of the effort out of mowing larger lawns. The front and rear stainless steel rollers also work to improve stability and manoeuvrability, as well as ensuring a crisply defined stripe effect on your finished lawn. All mowers in Allett’s Kensington range can be quickly and easily fitted with a scarifier cartridge for the removal of leaf litter and other detritus from the surface of your lawn. The British manufactured Kensington 20K also comes with Allett’s two year warranty on parts and labour, and is ideal for anyone seeking to keep their lawn in peak condition.

Product Features

• Six-blade "Quick Cartridge" cutting cylinder (optional ten-blade and scarifier cassettes available separately)
• Front (zinc plated steel with bearings) and rear (double-section steel with rolled edges and geared differential drive) rollers, offering stability, manoeuvrability and an even striped finish
• 51cm/20 inch cutting width (suitable for gardens of up to 350 square metres) and variable cutting height (6mm-32mm) controlled via a stepless micro-adjustment knob
• 98cc Kawasaki recoil-start unleaded petrol engine with 1.6 litre fuel tank, operated via handlebar controls (including safety release mechanism) and throttle lever
• Adjustable folding handlebars with three height positions for convenience and storage
• High capacity impact resistant 70 litre polypropylene grassbox for improved collection performance and easy access

Technical Specifications

Engine/motor:98cc Kawasaki OHV
Power source:Unleaded petrol 
Starting method:Recoil  
Deck material:Steel  
Cutting system:6-blade cylinder cassette
Cutting width:51cm  
Cutting height:6mm - 32mm
Blade-brake clutch:N/a  
Collection bag:Polypropylene 
Mulching function:N/a  
Rear roller:Yes  
Drive system:Self-propelled 
Weight: 54kg  
Warranty: 2 year parts / 2 year labour
Weight54 kg
About Allett
Allett is a wholly British-owned company (as British as queuing for a cup of tea or eating fish and chips while standing on a rainy beach) with a longstanding tradition in the design and manufacture of precision, single-cylinder, walk-behind mowers. Founded by Reg Allett almost half a century ago, Allett has since become a byword for a finely mown lawn across the UK, Ireland and continental Europe, and the distinctive black, silver and gold livery of Allett machines is recognised throughout the world. In fact, if you have ever stopped to admire the crisp, luxurious, striped finish on the ornamental lawn of an old country estate there is a good chance that one of Allett’s high quality cylinder lawnmowers was used to achieve it.

Allett’s cylinder mowers cut using a series of sharp rotating blades rather than a basic rotary blade. The cutting cylinder traps blades of grass between its spinning blades and cuts with a clean, scissor-like action, producing a crisp cut which heals more quickly for a healthier lawn. Thus, as well as the iconic stripe effect, cylinder mowers also ensure the most pristine finish possible, making them perfect for maintaining golf and bowling greens, sports stadiums, cricket wickets and outfields as well as public and private parks and gardens.

This has led to Allett machines being adopted by professional groundskeepers in all walks of life, including at many leading rugby and football clubs, country cricket clubs and the All England Club, Wimbledon. In addition to this, Allett has also been bestowed with the honour of being chosen by the Commonwealth War Graves Commission to supply mowers for the upkeep of its immaculate cemeteries around the world.

More recently, Allett acquired the design and manufacturing rights for the former Atco and Suffolk Punch branded petrol and electric pedestrian cylinder mowers. These now form the basis for Allett’s Classic and Expert mowers, providing an even more extensive range of both domestic and semi-professional machines from which to choose. Thus, whatever your particular requirements, if you need to achieve a truly flawless striped finish on your lawn there is almost certainly an Allett machine ideal for you.

So why buy from Lawnmowers Direct?

Well firstly, we're pretty good at what we do. In fact, we'd class ourselves as experts. With more than 40 years experience supplying lawnmowers to both home users and professionals, we know what we're talking about. We pride ourselves on our high levels of customer service and we're happy to provide help and support throughout the process, from your initial decision making to after sales, servicing, repairs and spare parts. The service we're offering is a complete one, and unlike some other companies, we are specialists.

We know that not all our customers are looking for the same products, and that they come to us with different knowledge levels. We've built a Free Advice section to help you if you're not sure where to start looking, or you can use our search facility if you've more of an idea what you're looking for. If there's anything you can't find or you just need a little bit more help, feel free to Contact Us.

We hold an extensive stock between our two showrooms, and this means we can offer competitive pricing on everything we sell. If you've found the same product in stock for less on another website, we will try our best to match the offer.

All petrol machinery is checked before dispatch by our team of trained mechanics. While this means we can't always offer same day dispatch, it does mean you'll be getting a bit of kit which will definitely work. We know sometimes things go wrong, but we do our best to make sure they don't, and if you have any problems just get in touch with our customer service team who will be able to help fix it.

If you're not convinced, have a little look at our reviews.

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