Allett C20 Cylinder Mower (Power-unit with Grassbox)


The Allett C20 is the ideal choice for professional groundskeepers, sports turf managers, and gardeners seeking a versatile, high-performance solution for fine turf maintenance.

Part of the C-Range, the C20 is engineered to deliver a wide range of turf care functions using a single, pedestrian-controlled machine. Its easy-to-change, purpose-built cartridges allow users to switch seamlessly between fine turf mowing, verti-cutting, scarifying, brushing, and sorrel rolling — making it perfect for maintaining cricket wickets, bowling greens, golf greens, and formal lawns.

With a cutting width of 51cm (20") and the option of a six-blade or ten-blade cylinder, the C20 delivers precise results with adjustable cutting heights from 2.4mm to 19mm.

The lightweight design, anti-vibration handlebars, and efficient Honda GX160 engine ensure smooth operation, low fuel consumption, and minimal noise — reducing operating costs.

Built for year-round use, the C20 offers excellent value, especially when paired with optional accessories like the cartridge stand and transport wheel kit.

Whether you're maintaining sports pitches, prestigious lawns, or fine turf surfaces, the Allett C20 provides the flexibility, durability, and professional performance you need.

Ideal for low cut lawns

The Allett C20 is ideal for cricket wickets, greens, and low-cut lawns due to its precision cutting (2.4–19mm), interchangeable turf care cartridges, professional-grade Honda engine, and stable roller-based design—delivering a clean, consistent finish and year-round versatility for fine turf maintenance.

Micrometer style HOC adjustment

The Allett C20 features a micrometer-style height adjuster, allowing precise cutting from 2.4mm to 19mm — ideal for maintaining low, even cuts on cricket wickets, bowling greens, and fine turf surfaces where accuracy is essential.

6 & 10 Blade cutting cylinders

The Allett C20 offers interchangeable 6- and 10-blade cutting cylinders, allowing users to choose between standard or ultra-fine cuts. This flexibility ensures optimal turf quality on sports surfaces like cricket wickets and golf greens, adapting to different mowing frequencies and grass conditions.

Interchangeable cartridge mower

The Allett C20 features a 10-cartridge system, including options for mowing (6- and 10-blade), scarifying, verti-cutting, brushing, sorrel rolling, and more. This versatile setup allows year-round turf maintenance with a single machine—perfect for cricket wickets, golf greens, and other fine turf surfaces.

Honda GX160 engine

The Allett C20 is powered by the dependable Honda GX160 engine, a 163cc 4-stroke unit known for its durability, low noise, and fuel efficiency. It provides reliable, consistent performance—perfect for professional groundskeepers maintaining fine turf surfaces like cricket wickets and golf greens.

Grooved Front Roller

The grooved front roller enhances turf contact and precision, helping guide grass blades upright before cutting. Its design improves traction and consistency, delivering a cleaner finish. Paired with sealed bearings and a scraper, it ensures low maintenance and prevents debris buildup—ideal for achieving a professional striped appearance.

Allett C-Range

Watch the Allett C20 in action – a professional-grade cylinder mower designed for fine turf maintenance. This video demonstrates its precision cutting, quick-change cartridge system, and smooth handling, making it ideal for cricket wickets, bowling greens, golf greens, and formal lawns. See why groundskeepers and turf professionals trust the C20 for year-round performance.

HOW THEY COMPARE

Our comparison table provides a detailed breakdown of the Allett C20 model, along with an Allett Stirling Sport & Tournament 20. Allowing you to easily compare their technical specifications side by side. From cutting widths and engine power to weight and height adjustments, this table helps you find the perfect mower for your needs.

Type

Sports Pro

Sports Pro

Sports Pro

Surfaces

Bowls, Cricket Wickets, Croquet, Golf Greens and Surrounds, Golf Tees, Lawn Tennis, Formal Lawns

Bowls, Cricket Wickets, Croquet, Golf Greens and Surrounds, Golf Tees, Lawn Tennis, Formal Lawns

Bowls, Cricket Wickets, Croquet, Golf Greens and Surrounds, Golf Tees, Lawn Tennis, Formal Lawns

Working width

510mm (20")

510mm (20")

510mm (20")

Overall width

790mm (31")

655mm (26")

686mm (27")

909mm (35.5") with transport wheels

Power source

Honda GX160 engine

56V 10Ah Removable Battery

Honda GX120 engine

Power output (net)

3.6kW (4.8hp) @ 3,600 rpm

1000W @10A Motor

2.6kW (3.5hp) @ 3,600 rpm

Cutting cylinder

120mm (4.7") diameter cutting cylinder equipped with 10 blades. All-welded construction

137mm (5.3") diameter cutting cylinder equipped with 10 blades. All-welded construction

120mm (4.7") diameter cutting cylinder equipped with 10 blades. All-welded construction

Bottom blade

2.4mm (0.1") bottom blade as standard. 4mm (0.16") bottom blade available on request

2.4mm (0.1") bottom blade as standard. 4mm (0.16") bottom blade available on request

2.4mm (0.1") bottom blade as standard. 4mm (0.16") bottom blade available on request

Grooming reel

45 blades @ 10mm spacing (optional cartridge)

28 blades @ 16mm spacing (optional cartridge)

45 blades @ 10mm spacing (standard)

Height of cut

Hand-adjustable from 2.4mm to 19mm (0.1" to 0.75")

Hand-adjustable from 3mm to 50mm (0.1"to 2")

Hand-adjustable from 2.4mm to 19mm (0.1" to 0.75")

Clip-rate

6 blade: 93 cuts/metre

10 blade: 155 cuts/metre

138-389 cuts/metre

246 cuts/metre

Handlebars

Adjustable handlebar with anti-vibration mounting

Adjustable handlebar with anti-vibration mounting

Adjustable handlebar with anti-vibration mounting

Drive engagement

Handle-mounted lever engaging V belt drive via cable

Handle-mounted push button (left or right handed operation) engaging belt drive

Handle-mounted lever engaging V belt drive via cable

Cylinder engagement

Handle-mounted lever engaging V belt via cable

Handle-mounted bail bar engaging belt

Handle-mounted lever engaging V belt drive via cable

Rear roller

Two-piece aluminium rear-roller with steel bevel gear differential

Two-piece steel rear-roller with steel bevel gear differential

Two-piece aluminium rear-roller with steel bevel gear differential

Front roller

Grooved aluminium front-roller with scraper and sealed end-bearings

Steel / zinc-plated front roller with scraper bar, locking kit fitted to front roller

Grooved aluminium front-roller with scraper and sealed end-bearings

Grassbox

Moulded plastic grassbox with steel reinforcing strip (79L)

Lightweight wire frame fabric grass catcher (70L)

Moulded plastic grassbox with steel reinforcing strip (32L)

Weight

88.5kg (195lb)

57kg (126lb)

96kg (212lb)

Overall height

1090mm (42.9")

1100mm (40")

1020mm (40")

Overall length

1375mm (54")

900mm (35")

1270mm (50")

Optional accessories

Scarifier with Tunsten tipped blades, Scarifier, Turf Rake, 6 bladed cylinder, 10 bladed cylinder, Sorrel Roller, Brush, 10 bladed cylinder with groomer, Verticut, Slitter

C027 Cartridge Stand and C015 Transport Wheel Kit

Aerator, dethatcher, groomer, lawn brush, scarifier, verticut, 6-blade cylinder (10 blade comes as standard)

Allett Cartridge Stand - AHCS-1

Smooth front roller in place of grooved roller

TS029 transport wheels & stand

Warranty

24 Months/1500 Hours for Sports User. 48 Months/1500 Hours for Homeowner

12 Months for Sports User, 24 Months for Homeowner

24 Months/1500 Hours for Sports User. 48 Months/1500 Hours for Homeowner

C20 in Action

Explore the Allett C20 in action with our curated YouTube playlist, featuring this professional-grade mower being used in top stadiums and sports fields. Watch as groundskeepers achieve immaculate, striped finishes on some of the world’s best pitches. Plus, learn essential maintenance tips and step-by-step guides on how to operate and care for your C20 mower, ensuring peak performance and longevity. Whether you're a professional turf manager or an enthusiast, these videos provide valuable insights into the power and precision of the Allett C20

View playlist

FAQ

In our FAQs for the Allett C20, you'll find answers to common questions about the mower's features, maintenance, and performance. We’ve gathered insights on everything from how to adjust cutting heights and maintain the mower, to recommendations for the best usage on different types of turf.

Our customer support is available Monday to Thursday: 8am-5pm. Friday 8am-3:30pmAverage answer time: 2h
Contact

Testimonials

Arjun P (Aberdeenshire, UK)

Best Investment for My Cricket Square

Switching to the C20 has made weekly prep a breeze. Clean cut, no scalping, and the cartridge change system is super quick. Worth every penny for cricket grounds.

William H (Surrey, UK)

Top-Notch Mower for Our Greens

We’ve been using the C20 on our club’s greens for over a year – consistent cut, low maintenance, and a real upgrade from our previous kit. Highly recommended for serious turf care.

Zoe R (Yorkshire, UK)

Superb Quality and Finish

As a private gardener, I use the C20 weekly on estate grounds. It’s dependable, beautifully built, and creates perfect stripes. Customers notice the difference right away!

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