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Home Lawnmowers Walk-behind Mowers Cobra MX46SPE 18″ Electric Lawnmower
Cobra RM433SPBI 17" Petrol Rear Roller Lawnmower
Cobra RM433SPBI 17" Petrol Rear Roller Lawnmower £599.99 Original price was: £599.99.£549.00Current price is: £549.00. inc. VAT
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Cobra

Cobra MX46SPE 18″ Electric Lawnmower

£313.99 Original price was: £313.99.£286.00Current price is: £286.00. inc. VAT

The Cobra MX46SPE is a versatile and powerful self-propelled electric lawnmower. Featuring an 18″ steel deck and a 3-in-1 cutting system, it’s ideal for medium-sized lawns, making mowing effortless.

Currently out of stock - Available to back order (please contact for lead times)

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Description

Why buy the Cobra MX46SPE 18″ Electric Lawnmower?

  • Powerful 1800W mains electric motor
  • Self-propelled drive system for effortless mowing
  • Versatile 3-in-1 function: collect, mulch, or side discharge
  • Generous 18″ (46cm) cutting width for efficient coverage
  • Large 60-litre grass bag with a handy full indicator
  • Single lever 7-stage height adjustment (25-75mm)

Powerful and Convenient Electric Mowing

The Cobra MX46SPE is a robust and feature-rich electric lawnmower designed for homeowners seeking power and convenience without the maintenance of a petrol engine. At its heart is a powerful 1800W motor, providing ample torque to handle tough cutting conditions. The generous 15-metre power cable offers substantial reach for most small to medium-sized gardens, ensuring consistent performance throughout your mow.

Effortless Operation with Self-Propelled Drive

Mowing is made significantly easier thanks to the mower’s self-propelled drive system. Engaging the drive lever propels the mower forward at a comfortable walking speed of 3.3km/h, taking the strain out of pushing, especially on sloped or uneven ground. This feature is particularly beneficial for those with larger lawns, reducing operator fatigue and making the task of lawn maintenance much more enjoyable.

Ultimate Versatility with a 3-in-1 Cutting System

The MX46SPE offers exceptional flexibility with its 3-in-1 cutting system. You can choose the best option for your lawn’s condition:

  • Collection: The large 60-litre grass bag efficiently collects clippings, leaving a neat and tidy finish. A convenient indicator flap shows when the bag is full and needs emptying.
  • Mulching: By inserting the mulch plug, the mower finely shreds the grass clippings and returns them to the lawn surface. This process acts as a natural fertiliser, nourishing the grass and promoting healthier growth.
  • Side Discharge: For longer, rougher grass or areas where collection isn’t necessary, the side discharge chute quickly and efficiently ejects clippings away from the cutting path.

Durable Design and User-Friendly Features

Built with a durable steel deck, the Cobra MX46SPE is designed to withstand the rigours of regular use. The 18″ (46cm) cutting width allows for efficient coverage, reducing the number of passes required. Adjusting the cutting height is simple with a single lever that offers seven distinct stages, from a low 25mm to a high 75mm cut. For easy storage and transport, the handles feature cam locks, allowing them to be folded down quickly without the need for tools.

As an authorised UK dealer for Cobra, Sims Garden Machinery provides a level of service that sets us apart. With a century of experience, our trained sales staff can offer expert advice at our Stratford-upon-Avon showroom. For local customers, we provide a comprehensive handover service, including free pre-delivery inspection (PDI) by our trained mechanics, ensuring your machine is fully assembled, tested, and ready to use upon delivery. This commitment to aftersales support guarantees you’re not just buying a box, but a fully supported piece of quality garden machinery.

Not sure which machine or part is right for you?
Our team is here to help. Contact us today for expert advice.

Technical Specification

Motor 1800W
Power Type Electric (230V Mains)
Drive System Self Propelled
Speed 3.3km/h
Cutting Width 46cm / 18″
Cutting Height 25 – 75mm (7 Stages)
Cutting System 3-in-1 (Collection, Mulch, Side Discharge)
Deck Material Steel
Grass Bag Capacity 60 Litres
Grass Bag Full Indicator Yes
Handles Folding with Cam Lock
Rear Roller No
Wheels 4
Cable Length 15m
Weight 34kg
Domestic Warranty 2 Years

Why buy from Sims Garden Machinery?

Authorised Dealer

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 people, real support

No call centres. No ticket systems. Just a knowledgeable local team you can speak to when you need help.

Expert Advice

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.

Since 1908

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

Who is the Cobra MX46SPE lawnmower best suited for?

This mower is ideal for homeowners with small to medium-sized lawns who want the power and convenience of an electric mower combined with the ease of a self-propelled drive system. It’s perfect for those who find pushing a mower strenuous or have sloped or uneven terrain to manage.

What are the benefits of the 3-in-1 cutting system?

The 3-in-1 system offers great versatility. Use the 60L collector for a clean, tidy finish. Switch to the mulching function to finely chop clippings and return them to the lawn as a natural fertiliser. For overgrown or rough areas, the side discharge option allows for quick cutting without the need to stop and empty a bag.

How long is the power cable on the MX46SPE?

The Cobra MX46SPE comes with a 15-metre power cable. For safety, it is always recommended to use a residual current device (RCD) with mains-powered outdoor equipment. If your garden is larger than the cable’s reach, a suitable outdoor extension lead may be required.

Is a steel deck better than a plastic one?

A steel deck, like the one on the MX46SPE, offers superior durability and rigidity compared to plastic alternatives. It is more resistant to impacts from stones or debris and provides a stable foundation for the cutting system, contributing to a better quality cut and a longer machine life.

User Manuals / Downloads


View Cobra Brochure

Additional information
Weight 34 kg
Brand

Cobra

Blade Brake Clutch Indicates if the blade can be stopped while the engine keeps running.

FALSE

Collector Size The capacity of the grass collection bag or box in litres.

60

Cutting Method The cutting mechanism used (e.g., Rotary or Cylinder).

Rotary

Cutting Width The width of the grass cut in a single pass.

46 cm

Deck Material The material the cutter deck is constructed from (e.g., Steel, Aluminium).

Steel

Drive Type How the mower is propelled (e.g., Push, Self-Propelled, Variable Speed).

Self-Propelled

Mowing Functions Available mowing modes (e.g., Collection, Mulching, Side-Discharge).

["Collection","Mulch","Side-Discharge"]

Power Output (kW) The tool\'s power output measured in kilowatts (kW).

1.8

Rear Roller Indicates if the mower features a rear roller for creating lawn stripes.

FALSE

Specification

Specification

Type 4 wheeled
Propulsion Self Propelled
Cutting Width (cm) 46
Blade Type Rotary
Deck Steel
Power Type Electric
Power Value (W, hp or V) 1800w
Cable Length 15m
Starting Method Recoil
Throttle Control Yes
No of Heights of Cut 7
Lowest Height of Cut (mm) 25
Highest Height of Cut (mm) 75
Height of Cut Adjustment Single lever
Grass Bag Capacity (ltr) 60
Handle Folding Yes
Max Domestic Warranty (yrs) 2

 

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Shipping & Delivery

FREE PDI, DELIVERY & HANDOVER

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.

NATIONAL DELIVERY

  • Each machine will be tested prior to delivery.
  • Orders will be sent out via either ThePalletNetwork or DHL insured service.
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SKU: C3-COBRA MX46SPE Categories: Lawnmowers, Walk-behind Mowers
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    20/21 The Waterways, Stratford-Upon-Avon, CV37 0AW
    Phone: 01789 205671
    Email: info@simsgardenmachinery.co.uk
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    Cobra MX46SPE 18" Electric Lawnmower

    Cobra MX46SPE 18″ Electric Lawnmower

    £313.99 Original price was: £313.99.£286.00Current price is: £286.00. inc. VAT

    Currently out of stock - Available to back order (please contact for lead times)

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