Why buy the Cobra HM381 15″ Cylinder Mower?
- Cutting Width: 38cm / 15″ for efficient mowing of smaller lawns.
- Cutting System: 5-bladed hardened steel cylinder for a sharp, clean cut.
- Rear Roller: Split rear roller for creating classic lawn stripes and easy turning.
- Cutting Height: 4-stage adjustment from 13mm to 38mm.
- Grass Collector: Includes a 25-litre fabric grass bag.
- Eco-Friendly: Hand-propelled design is quiet and environmentally friendly.
The Cobra HM381 is a lightweight and environmentally friendly hand-propelled cylinder mower, celebrated with a Gardener’s World award. It is expertly designed to make light work of maintaining small to medium-sized lawns, delivering a precise, high-quality cut without the noise or emissions of a petrol engine.
Precision Cutting with a 5-Bladed Cylinder
At the core of the HM381 is a 5-bladed hardened steel cylinder cutting system. This design cuts the grass blades cleanly and sharply, much like scissors, which promotes healthier, greener lawn growth. The precision of a cylinder mower provides a superior finish compared to standard rotary mowers, making it the perfect choice for gardeners who take pride in their lawn’s appearance.
Adjustable Cutting Heights & Classic Stripes
The mower offers four easily adjustable cutting heights, ranging from a close 13mm up to 38mm. Adjusting the height is a simple, tool-free process achieved by moving the pins on either side of the blade. This versatility allows you to adapt to different grass conditions throughout the season. Furthermore, the integrated split rear roller not only helps in creating those sought-after classic lawn stripes but also provides stability and makes turning at the end of each pass smooth and effortless.
Convenient Grass Collection
The HM381 comes complete with a 25-litre fabric grass bag to collect clippings, keeping your lawn neat and tidy. An adjustable strap on the bag allows the mower to be used at a lower handle angle for improved comfort and more efficient collection. When it’s time to empty, the bag can be uncoupled from the handle shaft quickly and easily.
Your Authorised Cobra Dealer
When you purchase a Cobra lawnmower from Sims Garden Machinery, you are choosing an established, authorised UK dealer with over 100 years of experience. Our trained sales staff are on hand at our Stratford-upon-Avon showroom to help you find the perfect machine for your needs. For local customers, our service extends beyond the sale; we offer free pre-delivery inspection (PDI) to ensure your mower is perfectly set up, followed by local delivery and a full handover demonstration. This commitment is backed by our team of trained mechanics in our workshop, ensuring you receive comprehensive aftersales support for years to come.
Our team is here to help. Contact us today for expert advice.
Technical Specification
| Drive | Hand Propelled |
|---|---|
| Cutting Width | 38cm / 15″ |
| Cutting Height | 13 – 38mm / 4 Stage |
| Grass Bag Capacity | 25L |
| Cutting System | 5 Bladed Cylinder |
| Deck | Steel |
| Rear Roller | Yes / Split |
| Weight | 8.5kg |
| Domestic 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.
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