Description
The Mountfield SP46 Petrol Lawn Mower is a powerful, self-propelled lawn mower designed for medium to large UK gardens. With a 46 cm cutting width, 139cc STIGA petrol engine, and a large 60-litre grass collector, it provides excellent performance, effortless mowing and strong grass-collection capability — perfect for homeowners wanting reliable, easy lawn care.
Available at Masseys in Swadlincote, the Mountfield SP46 combines convenience, durability and value, making it one of Mountfield’s most popular mid-range petrol mowers.
Why Choose the Mountfield SP46?
✔ Self-Propelled – No More Pushing
The mower drives itself forward, making mowing far easier on:
-
Slopes
-
Bigger gardens
-
Uneven or soft ground
-
Long cutting sessions
Simply guide the mower — the drive system does the work.
✔ Wide 46 cm Cutting Deck
The large cutting width covers more ground in fewer passes, helping you finish your lawn quickly and efficiently.
✔ Powerful 139cc STIGA Petrol Engine
A robust OHV engine offering:
-
Consistent cutting power
-
Reliable starting
-
Strong performance on long or thick grass
-
Lower vibration and noise than older petrol engines
✔ 60L Grass Collector
A high-capacity collector with improved airflow means fewer stops and excellent grass pickup.
✔ Mulching Capability Included
Switch easily between:
-
Collecting clippings
-
Mulching clippings back into the lawn
-
Rear discharge
Mulching helps feed your grass naturally and reduces waste.
✔ 6 Cutting Heights (22–65mm)
Set your preferred height using a simple lever — ideal for spring growth, summer stripes or autumn tidy-ups.
✔ Durable Steel Chassis
A strong, powder-coated frame built to withstand regular use and challenging conditions.
Who Is the Mountfield SP46 Ideal For?
The Mountfield SP46 is the perfect mower for you if:
-
You have a medium or large garden (around 250–500 m²)
-
Your lawn has slopes, banks or uneven patches
-
You want the ease of a self-propelled mower
-
You prefer petrol power for tougher or longer grass
-
You want a strong, dependable mower that will last for years with basic maintenance
For smaller lawns, the SP42 or HP42 may be more suitable.
For a larger petrol mower range, Masseys can recommend alternative models.
Key Features of the Mountfield SP46
-
Self-propelled rear-wheel drive -
139cc STIGA OHV Autochoke engine
-
46cm (18″) steel cutting deck
-
6 cutting heights from 22–65mm
-
60L high-volume collector
-
Mulching plug included
-
Folding ergonomic handles
-
Strong and durable chassis
-
Reliable pull-start system
Technical Specifications
| Feature | Specification |
|---|---|
| Engine | STIGA 139cc OHV Autochoke |
| Drive | Self-propelled (rear-wheel drive) |
| Cutting Width | 46cm |
| Cutting Heights | 22–65mm (6 positions) |
| Deck Material | Steel |
| Grass Collector | 60 litres |
| Cutting Method | Collect, mulch, rear discharge |
| Suitable Lawn Size | Medium to large lawns (approx. 250–500m²) |
| Start System | Pull-start |
| Handle | Foldable, ergonomic |
| Approx. Weight | Around 26kg |
Frequently Asked Questions – Mountfield SP46
Is the SP46 suitable for sloping gardens?
Yes. The self-propelled drive makes mowing slopes and uneven ground much easier.
Does it mulch?
Yes — a mulching plug is included so you can switch between mulching, collecting or rear discharge.
Will it handle long grass?
The 139cc engine provides plenty of torque for longer, thicker or damp grass.
Is it heavy?
It’s a sturdy mower, but the self-drive feature means you don’t feel the weight in operation.
How often should it be serviced?
Once per year is recommended. Masseys can provide full servicing, blades, filters and parts.
Buy the Mountfield SP46 from Masseys
When you buy from Masseys in Swadlincote, you get:
-
Expert advice from our trained garden machinery specialists
-
Optional “Ready to Mow” assembly service with oil, fuel and testing
-
Local delivery available
-
Access to servicing, repairs and genuine Mountfield parts
-
A long-established family business with decades of mower experience
📍 Visit Us
R. Massey & Son Ltd
129 Swadlincote Road
Woodville
Swadlincote
Derbyshire
DE11 8DA
☎ Contact Us
Phone: 01283 217133
Email: [email protected]
Related Mountfield Mowers at Masseys
-
Mountfield SP42 – smaller 41cm self-propelled mower
-
Mountfield HP42 – push version for smaller lawns
-
Mountfield SP53 – wider deck for even larger areas
-
Mountfield mowers – View all options
The Mountfield SP46 remains one of the best all-round petrol mowers for UK gardens, offering power, convenience and long-term reliability.
Buy the Mountfield SP46 Petrol Lawn Mower at Masseys in Swadlincote. For any more information please visit https://www.mountfieldlawnmowers.co.uk/
Reviews
There are no reviews yet.