• Cobra RM433SPBI 17-inch petrol self-propelled lawnmower with rear roller
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Cobra RM433SPBI 17" Petrol Powered Self Propelled Lawnmower with Rear Roller

Cobra RM433SPBI 17" Petrol Powered Self Propelled Lawnmower with Rear Roller

£549.99
£599.99 £549.99
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Taxes included. Shipping calculated at checkout.
  • ✓Briggs & Stratton InStart engine - push-button start, no recoil pull
  • ✓Premium deck for better airflow
  • ✓Full-width rear roller for a striped finish
  • ✓6 cutting heights (17-75mm)
  • ✓Single easy-to-use height-adjustment lever
  • ✓Grass-bag-full indicator
  • ✓Folding handlebars for easy storage
  • ✓OPC (Operator Presence Control) for safe operation
  • ✓3-speed transmission
  • ✓50L plastic & fabric grass bag
  • ✓Padded handles for comfort
  • ✓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 large lawns, easy starting
  • ✓Engine: Briggs & Stratton 575IS InStart 150cc
  • ✓2 years warranty
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The Gardeners' World award-winning Cobra RM433SPBI petrol lawnmower features the powerful Briggs & Stratton 575IS Series engine with push-button InStart. Self-propelled with a rear roller, it delivers an effortless cut and a beautifully striped lawn finish.

Specifications

Cutting width
43 cm
Cutting height
17–75mm (6 stages)
Type
Rotary
Drive
Self-propelled (3-speed)
Power
Petrol
Engine
Briggs & Stratton 575IS InStart 150cc
Grass box
50 L
Weight
32 kg
Warranty
2 years
Briggs & Stratton 575IS InStart engine on the Cobra RM433SPBI

Briggs & Stratton InStart engine

InStart from Briggs & Stratton delivers the next generation in easy starting. Ingenious integration of engine and battery gives you cutting power at the touch of a button - no more pulling the recoil to start your lawnmower.

Cobra RM433SPBI mowing a lawn

43cm / 17" cutting deck

The RM433SPBI has a sturdy 17" cutting deck, ideal for medium to large lawns. The deck size ensures efficient, precise mowing, delivering a clean, even cut with every pass.

Push-button electric start on the Cobra RM433SPBI

Push-button start

Proven lithium-ion battery technology gives simple, instant starting over and over again without constant recharging. Push-button is the easiest start ever - InStart technology eliminates the traditional recoil starting system.

Full-width rear roller producing lawn stripes on the RM433SPBI

Full-width rear roller

Equipped with a full-width rear roller to produce a traditional striped finish. The RM433SPBI also lets you mow right up to the edge of flowerbeds and borders.

Single-lever cutting height adjustment on the Cobra RM433SPBI

17–75mm cutting heights

With 6 fully adjustable cutting heights from 17mm for a superb low finish up to 75mm for longer grass, the RM433SPBI adapts to any season - all set with a single height-of-cut lever.

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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