• Cobra RM46SPC 18-inch petrol self-propelled rear-roller lawnmower
  • Cobra RM40SPC petrol lawnmower
  • Cobra RM40SPC lawnmower, side view
  • Cobra RM40SPC lawnmower, front view
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Cobra RM46SPC 18" Petrol Powered Self Propelled Rear Roller Lawnmower

Cobra RM46SPC 18" Petrol Powered Self Propelled Rear Roller Lawnmower

£389.99
£389.99
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Taxes included. Shipping calculated at checkout.
  • ✓135cc Cobra DG450 OHV petrol engine
  • ✓46cm / 18" cutting width for medium lawns
  • ✓Self-propelled drive at 3.4 km/h for effortless mowing
  • ✓Rear roller for a clean, striped lawn finish
  • ✓6-stage cutting height adjustment (17-75mm)
  • ✓55L grass bag with direct collection system
  • ✓Robust 37kg build for solid ground contact
  • ✓2-year domestic warranty
✓ 2 years warranty✓ 30-day returns✓ UK support

Ships direct from Cobra (not from Mowd), typically 2–5 business days. Delivery £9.95.

Good to know
  • ✓Best for medium to larger lawns
  • ✓Engine: Cobra DG450 OHV 135cc
  • ✓2 years warranty
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The Cobra RM46SPC petrol lawnmower is powered by a 135cc Cobra DG450 OHV engine and features an 18" cutting width. Self-propelled with a rear roller for a traditional striped finish, it offers 6 cutting heights and a 55L grass bag. Perfect for medium-sized lawns.

Specifications

Cutting width
46 cm
Cutting height
17–75mm (6 stages)
Type
Rotary
Drive
Self-propelled
Power
Petrol
Engine
Cobra DG450 OHV 135cc
Grass box
55 L
Weight
37 kg
Warranty
2 years
Full-width rear roller producing lawn stripes on the Cobra RM46SPC

Traditional striped finish

Equipped with a full-width rear roller to produce a traditional striped finish. The RM46SPC also lets you mow right up to the edge of flowerbeds and borders.

Cobra DG450 OHV petrol engine

Cobra DG450 engine

Expertly powering Cobra lawnmowers, the Cobra DG450 OHV engine offers a quiet yet powerful and lightweight combination for a range of demanding applications. It uses the latest engine design for optimal torque and efficiency, and suits gardens up to 600 square metres.

Single-lever cutting height adjustment on the Cobra RM46SPC

6 cutting heights (17–75mm)

With 6 fully adjustable cutting heights from 17mm up to 75mm for tackling longer grass, the RM46SPC has it covered - all set with a single height-of-cut lever.

Cobra RM46SPC mowing a medium-sized lawn

46cm / 18" cutting deck

The RM46SPC features a robust 18" cutting deck, an excellent choice for medium to larger lawns. It allows efficient, precise mowing with a clean, even cut every pass, striking a perfect balance between manoeuvrability and coverage.

55 litre fabric grass bag with full indicator on the RM46SPC

Empty your grass box less

Equipped with a 55-litre fabric grass bag, ideal for collecting large amounts of clippings before emptying. To make life even easier, Cobra have added a grass-bag-full indicator system.

Why buy from Mowd?

Genuine Cobra machines

Supplied as official Cobra products with full manufacturer warranty and support.

Built to last

Professional-grade build quality designed for years of reliable use.

Ships direct from Cobra

Dispatched directly from Cobra — see the delivery note above for timings.

Expert UK support

Plain-English advice and UK-based help, with warranty service handled by Cobra.

Ready to upgrade your mow?

Petrol, electric, or push, we've got a mower for everyone.

Frequently asked questions

How does the warranty work?
Your mower comes with the manufacturer's warranty. Warranty claims and repairs are handled directly by Cobra Support, and you'll need to register your machine with Cobra to activate cover - see the documentation supplied with the mower for details.
How is my mower delivered?
Mowers ship directly from Cobra (not from Mowd), typically within 2-5 business days. Delivery is £9.95.
Can I return it?
Yes - you have 30 days to return an unused mower, plus your statutory 14-day right to cancel. Get in touch and we'll arrange it.

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