Why buy the Allett C20 20″ Cylinder Mower?
- Professional 51cm (20″) cutting width for fine turf surfaces.
- Powered by the reliable and fuel-efficient Honda GX160 petrol engine.
- Versatile C-Range interchangeable cartridge system for year-round lawn care.
- Ultra-low cutting height from 2.4mm to 19mm with micrometer-style adjustment.
- Ergonomic design with adjustable anti-vibration handlebars for operator comfort.
- Robust construction with grooved front and two-piece aluminium rear rollers.
Precision Mowing for Professional Turf
The Allett C20 is the definitive choice for professional groundskeepers, sports turf managers, and meticulous gardeners who demand a versatile, high-performance solution for fine turf maintenance. As part of Allett’s esteemed C-Range, the C20 is engineered to perform a wide array of turf care functions from a single, robust pedestrian-controlled unit. It is perfectly suited for maintaining prestigious surfaces such as cricket wickets, bowling greens, golf greens, and immaculate formal lawns.
Versatile Interchangeable Cartridge System
The core strength of the Allett C20 lies in its quick-change cartridge system. This allows operators to seamlessly switch between tasks, transforming the machine from a precision mower to a complete lawn care tool. The system is compatible with a comprehensive range of purpose-built cartridges including a 6-bladed cylinder for a standard fine cut, and a 10-bladed cylinder for an exceptionally close finish. Beyond mowing, the C20 can be equipped for verticutting, scarifying, brushing, slitting, and sorrel rolling, making it an indispensable tool for year-round turf management.
Engineered for Performance and Comfort
At its heart, the C20 is powered by the dependable Honda GX160 engine, a 163cc 4-stroke unit renowned for its durability, low noise, fuel efficiency, and consistent power delivery. This ensures reliable performance with reduced operating costs. Operator comfort is paramount, addressed through adjustable handlebars with anti-vibration mountings that significantly reduce fatigue during extended use. The mower’s precision is further enhanced by a micrometer-style height adjuster, allowing for incredibly fine control over the cutting height, from just 2.4mm up to 19mm. The grooved front roller and two-piece aluminium rear roller create the perfect striped finish while ensuring stability and traction.
Buy with Confidence from an Authorised UK Dealer
As a family business with a history stretching back over 100 years, Sims Garden Machinery is an established, authorised UK dealer for Allett. When you purchase an Allett C20 from us, you’re not just buying a box. Our trained sales staff are on hand at our Stratford-upon-Avon showroom to provide expert advice and ensure you get the right machine for your needs. Furthermore, our trained mechanics in the workshop fully assemble and test every machine. For local customers, this includes a comprehensive pre-delivery inspection (PDI), free local delivery, and a full handover demonstration to ensure you can operate your new mower confidently and safely from day one.
Our team is here to help. Contact us today for expert advice.
Technical Specification
| Cutting Width | 51cm (20″) |
| Engine | Honda GX160 4-stroke |
| Power Output (Net) | 3.6kW (4.8hp) @ 3,600 rpm |
| Fuel Tank Capacity | 3.1 Litres |
| Cutting Height Range | 2.4mm to 19mm (0.1″ to 0.75″) |
| Cylinder Options | 6-blade or 10-blade |
| Cuts per Metre | 6-blade: 93 cuts/m | 10-blade: 155 cuts/m |
| Handlebars | Adjustable with anti-vibration mountings |
| Grassbox Capacity | 79 Litres (Moulded plastic with steel reinforcing strip) |
| Rear Roller | Two-piece aluminium |
| Front Roller | Grooved aluminium with sealed bearings |
| Weight | 88.5kg (195lb) |
| Overall Width | 79cm (31″) |
| Warranty (Sports Users) | 24 months or 1,500 hours |
| Warranty (Home Users) | 48 months or 1,500 hours |
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
What types of turf are best suited for the Allett C20 Cylinder Mower?
The C20 is ideal for fine turf maintenance, making it perfect for cricket wickets, bowling greens, golf greens, and other formal low-cut lawns. Its precision cutting system ensures a professional finish on these sensitive turf surfaces.
Can the Allett C20 be used year-round?
Yes, the C20 is designed for year-round use with its versatile cartridge system, which allows you to easily switch between mowing, verti-cutting, scarifying, brushing, and more. This makes it ideal for maintaining fine turf throughout the year.
What cartridges are available for the Allett C20?
The C20 offers a range of interchangeable cartridges, including 6-blade and 10-blade cylinders for mowing, as well as scarifiers, turf rakes, sorrel rollers, brushes, verticutters, slitter attachments, and a groomer option for turf grooming.
How does the Allett C20 help with operator comfort?
The C20 features adjustable handlebars with anti-vibration mountings that reduce operator fatigue during extended use. This ergonomic design ensures comfort and control, even during long mowing sessions.
What warranty comes with the Allett C20?
The C20 comes with a 24-month or 1,500-hour warranty for sports users and a 48-month or 1,500-hour warranty for homeowners. This generous warranty provides peace of mind, demonstrating the mower’s durability and reliability for professional use.
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