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Home » Garden Machinery » Mowers - Petrol » Allett Westminster 20H Self Propelled Cylinder Mower

Allett Westminster 20H Self Propelled Cylinder Mower

RRP £4478.82

Availability: In Stock*

PDI: This machine will be supplied fully PDI'd as per the manufacturers specifications.
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Delivery: Free delivery to the UK mainland (Except Scottish Highlands and islands). See more...

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Free 1 Litre of WGM 10W40 Oil with this machine


The Allett Westminster is made for creating amazing lawns as well as playing fields. Allett Westminster petrol cylinder lawn mowers are made with a very long service time in mind. The Westminster is a home-grown lawn mower in our range of top quality machines.

The superb, close cut precision of the Westminster Petrol Lawn Mower is suitable for the maintenance of cricket wickets, bowling and golf greens and the finest formal ornamental lawns.

Powered by a 196cc Honda four stroke cylinder petrol engine, this fine turf mower is equipped with 12 bladed cutting cylinder for extremely close and exact cutting, and an ability to deliver an impressive 145 cuts per metre and a cutting width of 51cm (20”) to ensure good coverage, while at the same time creating crisply defined stripes down your lawn. The mower also features comfortable height adjustable handlebars to help avoid any back strain issues for the operator.

The Westminster 20H features an infinitely variable micro cutting height adjustment from 3/32 to ¾ (2.4mm- 19mm) and a double section aluminium rear roller as standard. Its wheels enable the mower to be transported safely across hard surfaces like car parks and courtyards, without damage to cylinder or rollers. 100% manufactured in Great Britain, the Allett Westminster petrol cylinder lawn mower carries a two year warranty 


  • 196cc Honda GX200 easy start unleaded petrol engine
  • 3.1 litre fuel tank
  • 20" (51cm) cutting width
  • Cylinder cutting system
  • Six-blade ”Quick Cartridge” cylinder
  • 79 cuts per metre
  • 6mm – 32mm (¼“ to 1 ¼”) cut height
  • 3 handlebar height position plus folding


Model Westminster 20H

Type Petrol Engine Greens Cylinder Mower with recoil start

Cutting Width 20" (51cm)

Cutting system Cylinder

Number of blades 12-blade cylider

Engine 196cc Honda easy start unleaded pertrol engine

Fuel Tank Capactity 3.1 Litres

Drive Self Propelled engine power engaged via handle-bar to rear roller

Cuts per metre 145

Height of cut 2.4mm - 19mm

Height of cut adjustment Fully Variable

Handlebars Variable height positions. Bale-bar for cylinder and/or roller drive

Rear Roller Aluminium double section roller

Grass Rake Rake behind front roller to stand grass upright before mowing. Aggression adjustable

Grass box Impact Resistant, Polypropylene

Grass box Capacity 84L

Overall Width 79cm / 31"

Weight including grass box 92kg / 202lbs

Operator noise level 98dB(A)

Warranty 2 year parts & labour


Free Delivery

to UK Mainland



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In 1969



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* Subject to short term stock fluctuations