We offer a free delivery service for all machines within a 30 mile radius. Not only that; we build, inspect and run up every machine prior to delivery. Making sure you get a fully functional machine that is set-up and ready for use. On delivery we will run through with you any instructions & maintenance advice so you are comfortable with your new machine.
Cobra Fortis 14L 14" Cylinder Lawnmower
Original price was: £1,099.00.£985.00Current price is: £985.00. inc. VAT
Cobra RM46SPH 18" Petrol Rear Roller Lawnmower
Original price was: £497.99.£459.00Current price is: £459.00. inc. VAT
Sale
Cobra RM53HST-PRO 21″ Professional Petrol Rear Roller Lawnmower
Original price was: £1,839.00.£1,765.00Current price is: £1,765.00. inc. VAT
The Cobra RM53HST-PRO is a professional-grade petrol lawnmower, engineered for demanding gardeners. It features a powerful Honda engine, hydrostatic drive, and a rear roller for a classic striped finish.
This is a non-stock item but can still be ordered. Please contact us for lead times.
Description
Why buy the Cobra RM53HST-PRO 21″ Professional Petrol Rear Roller Lawnmower?
- Powered by a professional-grade Honda GXV160 engine for reliable performance.
- Hydrostatic gearbox provides smooth, seamless, and precise speed control.
- Full-width steel rear roller creates a classic, traditional striped lawn finish.
- Blade Brake Clutch (BBC) allows the engine to run while the blades are stopped.
- Robust 21″ (53cm) cast aluminium deck with reinforced liner for durability.
- Fan-assisted collection system ensures efficient grass collection into the 75L bag.
Professional Power and Precision for the Perfect Lawn
The Cobra RM53HST-PRO is a top-tier petrol roller mower designed to meet the rigorous demands of both professional gardeners and discerning domestic users. At its core is the renowned Honda GXV160 engine, providing reliable power and performance. Combined with a 21-inch cutting width and a host of professional features, this mower is built to deliver exceptional results on medium to large lawns.
Advanced Hydrostatic Drive System
Experience ultimate control with the hydrostatic transmission system. This advanced gearbox allows for smooth and seamless speed adjustments without the need for manual gear changes. It provides effortless operation and precise manoeuvrability, making it easier to navigate around obstacles and tackle larger, more complex areas efficiently.
Built for Durability and Longevity
The RM53HST-PRO is constructed with durability in mind. It features a cast aluminium deck with a reinforced liner, protected by a robust stainless steel front bar. This combination shields the mower from accidental impacts, increasing the lifespan of the deck. Furthermore, the thicker gauge handlebars and shaft-driven transmission underscore its professional build quality, ensuring it can withstand the rigours of frequent use.
Impeccable Finish and Collection
Achieve the quintessential striped lawn with the full-width steel rear roller. This feature not only creates a beautiful aesthetic but also allows for stable mowing right up to the edges of flowerbeds and borders. The fan-assisted collection system works like a vacuum, ensuring grass cuttings are efficiently gathered into the large 75-litre fabric bag, even in damp conditions. With seven cutting heights ranging from 15mm to 77mm, you can easily adjust for a superb low finish or tackle longer grass.
Convenience with Blade Brake Clutch
Cobra’s Blade Brake Clutch (BBC) system adds a layer of convenience and safety. It allows you to stop the cutting blades without switching off the engine. This is particularly useful when you need to empty the grass bag or move the mower across paths and driveways, eliminating the hassle of restarting the engine each time.
As an authorised UK dealer for Cobra, Sims Garden Machinery has over a century of experience in the industry. Our trained sales staff are available to discuss the RM53HST-PRO at our Stratford-upon-Avon showroom, ensuring you choose the right machine for your needs. For local customers, this lawnmower comes with our comprehensive handover service, including a free Pre-Delivery Inspection (PDI) by our trained mechanics, local delivery, and a full demonstration to get you started safely and confidently. This level of service ensures your machine is ready to perform from day one, a commitment you won’t find from online-only retailers.
Not sure which machine or part is right for you?
Our team is here to help. Contact us today for expert advice.
Our team is here to help. Contact us today for expert advice.
Technical Specification
| Engine | Honda GXV160 |
| Drive System | Hydrostatic Gearbox |
| Cutting Width | 53cm / 21″ |
| Cutting Height | 15 – 77mm (7 Stages) |
| Grass Bag Capacity | 75 Litres |
| Blade Brake Clutch | Yes |
| Deck Material | Cast Aluminium |
| Deck Liner | Reinforced |
| Drive Type | Shaft Driven |
| Transmission | Hi-Speed Gearbox |
| Rear Roller | Yes |
| Front Protection Bar | Yes |
| Handlebars | Thicker Gauge |
| Collection System | Fan Assisted |
| Vibration Levels | 2.4 m/s² |
| Weight | 62kg |
| Domestic Warranty | 5 Years |
| Professional Warranty | 2 Years |
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
Who is the Cobra RM53HST-PRO suitable for?
This lawnmower is designed for both professional gardeners and domestic users with medium to large lawns who demand a high-quality finish and robust construction. Its professional-grade Honda engine, durable cast aluminium deck, and features like the hydrostatic drive make it ideal for extensive and frequent use.
What is the benefit of a hydrostatic gearbox on a lawnmower?
A hydrostatic gearbox allows for smooth, stepless speed control, much like an automatic car. You can precisely adjust your mowing speed to match the terrain and grass conditions without having to stop and change gears. This enhances manoeuvrability and makes the mowing experience much more comfortable and efficient.
What does the Blade Brake Clutch (BBC) do?
The Blade Brake Clutch allows the operator to stop the rotation of the cutting blades while keeping the engine running. This is a significant convenience feature, as it means you don’t have to restart the engine every time you need to empty the grass bag or cross a non-grass area like a gravel path.
Does this mower create lawn stripes?
Yes, the Cobra RM53HST-PRO is equipped with a full-width steel rear roller. As the mower moves, the roller gently flattens the grass blades in the direction of travel, creating the classic light and dark striped effect seen on professionally maintained lawns and sports pitches.
User Manuals / Downloads
Additional information
| Brand | Cobra |
|---|---|
| Blade Brake ClutchIndicates if the blade can be stopped while the engine keeps running. | TRUE |
| Collector SizeThe capacity of the grass collection bag or box in litres. | 75 |
| Cutting MethodThe cutting mechanism used (e.g., Rotary or Cylinder). | Rotary |
| Cutting WidthThe width of the grass cut in a single pass. | 53 cm |
| Deck MaterialThe material the cutter deck is constructed from (e.g., Steel, Aluminium). | Cast Aluminium |
| Drive TypeHow the mower is propelled (e.g., Push, Self-Propelled, Variable Speed). | Self-Propelled |
| Electric StartIndicates if the machine features a key or push-button electric starter. | FALSE |
| Mowing FunctionsAvailable mowing modes (e.g., Collection, Mulching, Side-Discharge). | [“Collection”] |
| Rear RollerIndicates if the mower features a rear roller for creating lawn stripes. | TRUE |
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FREE PDI, DELIVERY & HANDOVER
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- Each machine will be tested prior to delivery.
- Orders will be sent out via either ThePalletNetwork or DHL insured service.
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