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Description

20″ Briggs & Stratton Self-Propelled Rear Roller Lawnmower – Cobra RM513SPBI

The Cobra RM513SPBI 20″ petrol lawnmower is engineered for performance, reliability and an exceptional striped lawn finish. Powered by the latest Briggs & Stratton 675IS InStart 163cc engine, this mower combines effortless push-button starting with powerful cutting performance. With self-propelled 3-speed drive, a steel rear roller, and a premium 51cm cutting deck, it is the perfect choice for medium to large gardens.


Powerful 163cc Briggs & Stratton 675IS InStart Engine

Experience the next generation of easy starting. The B&S InStart engine integrates advanced Lithium-ion battery technology for instant, hassle-free push-button starting—no recoil cord required. Enjoy reliable power with over 50 starts per charge.


51cm (20″) Robust Steel Cutting Deck

The durable 20″ steel deck ensures efficient coverage while maintaining excellent manoeuvrability. Ideal for medium to large lawns, it delivers a clean, even precision cut across every pass.


Easy Push-Button Starting

Forget pull cords. The RM513SPBI features a simple push-button start, delivering consistent ignition every time. The Lithium-ion system eliminates the need for traditional recoil starters.


Fast Charging InStart Battery

The integrated battery charges quickly from empty, meaning your mower is ready when you are. A full charge provides more than 50 effortless starts.


3-Speed Self-Propelled Gearbox

Tailor your mowing speed to the lawn conditions. The 3-speed gearbox allows you to choose slower speeds for detailed areas or faster speeds for open spaces, all controlled effortlessly from the handlebar.


Professional Striped Lawn Finish

The full-width steel rear roller produces a classic, professional striped effect. Its design also enables you to mow right up to the edges of borders, pathways and flowerbeds with precision.


High-Lift Cutting Blade

The RM513SPBI’s high-lift blade maximises airflow to lift and cut grass cleanly, improving both cutting performance and bag collection efficiency. This ensures optimal filling of the generous 70L grass bag.


17–75mm Adjustable Cutting Heights

With 6 easy-adjust cutting heights ranging from 17mm for a close, neat finish to 75mm for longer or tougher grass, you can achieve the perfect cut for any lawn condition using the single lever height adjuster.


Large 70L Grass Collection Bag

The spacious 70-litre fabric grass bag reduces the need for frequent emptying, making mowing faster and more efficient. It also includes a grass-full indicator for added convenience.

Engine:
B&S 675IS InStart
Electric Start:
Displacement:
163cc
Drive:
Self Propelled / 3 Speed
Speed:
Speed 1: 2.9km/h / Speed 2: 3.3km/h / Speed 3: 3.9km/h
Cutting Width:
51cm / 20″
Cutting Height:
17 – 75mm / 6 Stage
Collection System:
Direct
Grass Bag Capacity:
70L
Grass Bag Full Indicator:
Folding Handles:
Yes / Cam Lock
Deck:
Steel
Rear Roller:
Yes / Steel
Weight:
42kg
Domestic Warranty:
2 Years
Power Type:
Petrol
Engine Brand:
Briggs & Stratton
4 Wheeled / Rear Roller:
Rear Roller

Delivery

Most products are kept in stock, and we aim to deliver your order within 1- 2 working days. If the item is out of stock, we will keep you informed of any major delays. 
MowShop shall not be held liable for any delays in delivering goods, nor shall they be held liable for delays caused to customers work commitments due to your order not arriving on time. 
MowShop shall not be liable to customers for charges for hire of alternate machinery or labour. MowShop will not be liable for compensation of any kind due to late delivery of machinery or failure of machinery or damage to property from delivery. 
Delivery of products is usually 1-2 days from receipt of order and clearance of payment. Delivery of tractors is usually 3 – 7 working days after receipt of order. 
Products will be despatched to your preferred address directly from our distributors. A detailed receipt, together with a copy of the credit card payment receipt, will be posted separately to you. 

Cancellation Rights: Returns & Refunds after delivery

In accordance with existing UK Distance Selling Regulations and the SafeBuy Web Trader Code you have the right to cancel your order within 14 days of receiving your goods if you wish to return the items.  
To be eligible for a return, ensure that the goods remain unused and are retained in their original packaging and are in the same condition that you received it. It must also be in the original packaging. 
You must contact us before returning an item on 0345 222 1538, failure to do so may result in us being unable to action the refund process. We take no responsibility for items that are returned without prior contact or without authorisation from ourselves. 
You must return your products within 30 days of delivery at your own cost and risk. Returns should be sent to MOWSHOP, Allscott, Telford, Shropshire, TF6 5ED We will refund the price you paid for such goods within 30 days of the date of receiving the returned items, provided that the goods are returned by you and received by us in the condition they were in when delivered to you.  
Items returned without prior agreement will be refused and returned to sender resulting in you being liable for an extra charge from the couriers. If MowShop arranges to collect your items the cost to the buyer would be £36. This amount will be deducted from any refundable amount. 
If the returned item has been USED or isn’t in its ORIGINAL PACKAGING devaluing the goods resulting in handling them beyond what is necessary to establish the nature, characteristics or functioning of the goods we will deduct a reasonable amount from the refund, up to the contract price to cover us being unable to resell the item for its full value. 
We advise you take photos of the item and packaging before returning as a record of its condition, in the event of any damage acquired by the couriers when in transit. Please ensure there is no petrol or oil in the products and any batteries are disconnected before returning the items. Do not send your purchase back to the manufacturer. We will require a receipt or proof of purchase. The item must be boxed and package correctly as advised by the courier, a courier will refuse to collect the item if it is not properly boxed and we will charge for failed collections.  
The product remains yours until successfully received and signed for by a member of Mowshop.  

About Cobra

Cobra Garden Machinery was launched in 2013 and is supported by Henton & Chattell Ltd, giving Cobra Garden the benefit of over 85 years experience in the Garden Machinery and Horticultural Industry.

The Cobra Garden range is constantly expanding and now consists of over 130 products to cover both your domestic and professional requirements. Cobra incorporate a comprehensive range of petrol, electric and cordless lawnmowers, handheld machines and lawncare products.

Cobra Garden products are available across the UK, throughout our network of approved specialist dealers. Cobra Garden approved dealers have the knowledge and experience to help you purchase the correct Cobra Garden product for your requirements. The dealers will also provide expert after-sales assistance when your Cobra Garden product requires servicing.

Cobra Garden’s philosophy is to remain true to their trusted values of Innovation, Quality, Reliability, Value and Customer Service. Cobra Garden work hard to ensure that we offer products and services that continue to be relevant to our customers.

Warranty

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