Why buy the Cobra Fortis 20FTB 20″ Fine Turf Cylinder Lawnmower?
- Powered by a reliable Briggs & Stratton XR550 petrol engine
- Wide 51cm / 20″ 10-bladed cutting cylinder for a precision finish
- Achieves an exceptionally low cut from 3mm to 30mm
- Includes a grooved front roller and turf rake for improved performance
- Heavy-duty, self-propelled drive system for effortless operation
- Large 75-litre grass box for fewer interruptions
The Cobra Fortis 20FTB is a premium cylinder lawnmower designed for enthusiasts and professionals who demand a flawless finish on fine turf. Powered by a dependable Briggs & Stratton XR550 engine, this mower combines robust engineering with precision cutting, making it ideal for large lawns, ornamental gardens, and sports pitches.
The Ultimate Fine Turf Finish
At the heart of the Fortis 20FTB is its finely crafted 20-inch, 10-bladed cutting cylinder. This hardened steel cylinder delivers an impressive 158 cuts per meter, ensuring a clean, scissor-like action that promotes healthier grass. The cutting height can be easily adjusted via a single front-mounted knob, offering a range from an exceptionally low 3mm up to 30mm. This level of precision is perfect for creating the immaculate, striped finish associated with bowling greens and professional sports turf.
Enhanced Performance as Standard
Unlike many mowers, the Fortis 20FTB comes equipped with both a grooved front roller and a turf rake as standard. The grooved roller has less surface contact with the ground, which helps to present more grass to the bottom blade for a cleaner cut. The turf rake actively lifts grass blades just before cutting, further enhancing precision and improving overall performance.
Heavy-Duty and User-Focused Design
Cobra has engineered the Fortis range with a heavy-duty drive system to ensure durability and smooth operation, even under demanding conditions. The self-propelled system makes mowing effortless across larger areas. A generous 75-litre grass box provides substantial capacity, reducing the frequency of stops to empty clippings. When it is time to empty, the box is designed for quick and convenient removal.
Versatile Lawn Care System
The Fortis 20FTB is compatible with the versatile Fortis interchangeable cartridge system (available separately). This system allows the mower to be quickly converted for a variety of lawn care tasks. Optional cartridges include a scarifier, aerator, dethatcher, verticutter, and lawn brush, transforming the mower into a complete lawn maintenance solution.
Authorised UK Dealer & Service Centre
Sims Garden Machinery, with a history stretching back over 100 years, is an authorised UK dealer for Cobra. When you purchase a Cobra Fortis 20FTB from us, you are buying with confidence from a company that offers comprehensive aftersales support. Our trained sales staff are available to offer expert advice at our Stratford-upon-Avon showroom, and our workshop is staffed by trained mechanics capable of handling all servicing and repairs. For local customers, this lawnmower includes our free PDI (Pre-Delivery Inspection), local delivery, and a full handover demonstration to ensure you are comfortable with its operation.
Our team is here to help. Contact us today for expert advice.
Technical Specification
| Engine | Briggs & Stratton XR550 |
|---|---|
| Power Type | Petrol |
| Drive | Self Propelled |
| Drive System | Heavy Duty |
| Cutting Width | 51cm / 20″ |
| Cutting Height | 3 – 30mm |
| Cutting Cylinder | 10 Blade |
| Front Roller | Steel, Grooved (Included) |
| Rear Roller | Cast Ribbed Split |
| Grass Box Capacity | 75ltr |
| Interchangeable Cassette System | Available Separately |
| Turf Rake | Included |
| Weight | 97kg |
| Domestic Warranty | 2 Years |
| Professional Warranty | 1 Year |
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
Frequently Asked Questions
What type of lawn is the Cobra Fortis 20FTB suitable for?
The Fortis 20FTB is specifically designed for fine turf applications where a very low, precise cut is required. It excels on ornamental lawns, bowling greens, cricket pitches, and large, prestigious domestic lawns where a striped, manicured finish is the primary goal.
What is the benefit of a 10-blade cylinder over a standard mower?
A 10-blade cylinder provides a significantly higher number of cuts per meter (158 for this model). This high ‘clip rate’ results in a much finer, scissor-like cut that is cleaner and healthier for the grass blades. It avoids the tearing action of some rotary mowers, promoting denser, greener turf growth and creating a superior ‘bowling green’ finish.
Does this mower come with the lawn care cartridges?
The Cobra Fortis 20FTB comes standard with the 10-blade cutting cylinder, a grooved front roller, and a turf rake. The other lawn care cartridges, such as the scarifier, aerator, dethatcher, verticutter, and lawn brush, are part of the interchangeable cassette system and are available to purchase separately to expand the mower’s capabilities.
Is the Cobra Fortis 20FTB difficult to use?
While it is a specialist machine weighing 97kg, its design incorporates user-friendly features like a heavy-duty self-propelled drive system and a simple, single-knob height adjustment. For local customers, Sims Garden Machinery provides a full handover and demonstration upon delivery, ensuring you are completely comfortable with its operation and maintenance from day one.
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