Description
The Mountfield SP46 lawn mower is a self propelled lawnmower with mulching facility. It makes it an ideal lawn mower for small to medium sized lawns up to 40m x 40m. The cutting width is 46 cm and the engine is a powerful Mountfield ST120 Autochoke 123cc engine. The single lever height of cut adjustment has 6 positions which range from 22 – 65mm.
The grass bag is large 60 litre grass collector with bag full indicator. The mulching plug is included which means you can cut the grass without collecting it in to the grass bag. There is a 2 year warranty for domestic users.
What else will I need to buy with my SP46 lawn mower?
- Lawn mower oil
- Petrol
- OR, Masseys will assemble and check your lawn mower, add the correct amount of engine oil and add some fuel all for just £10.00, so it is ready to cut grass!
The Mountfield SP46 lawn mower is a versatile self propelled lawnmower powered by a Mountfield ST120 123cc 4 stroke engine with a robust steel body with a powder coated paint finish for longevity. You can collect clippings into the large 60 litre capacity grass collector, or if the grass is longer remove the collector and rear discharge or simply insert the mulching plug and drive in mulching mode. Mulching enables you to finely cut the grass clippings into a nitrogen-rich mulch which is recycled back into the lawn as a natural fertiliser.
Easily operated by a single lever, the 46cm/18″ deck has a choice of 6 cutting height positions ranging from 22 to 65mm and will produce a great finish on your lawn and is ideal for medium sized lawns. The engine is very easy to start, with a standard recoil rope system and the handles can be easily folded for convenient storage.
If you want the push version of this mower the you might want to consider the Mountfield HP46 self propelled model or view our full range of Mountfield lawn mowers.

Side discharge is ideal when you need to cut longer grass and don’t wish to collect.

Mulching function:
Grass clippings are recycled back into the soil, returning valuable nutrients and saving you time and money!
Specification
Engine Brand | Mountfield |
Engine Type | ST120 OHV |
Engine Capacity | 123cc |
Net Power Output | 1.90kW @ 2900rpm |
Starting Method | Recoil |
Transmission | N/A |
Drive | Self Propelled |
Cutting Width | 46cm /18″ |
Cutting Heights | 22-65mm (6 Positions) |
Cutting Height Adjustment | Single Lever |
Roller | No |
Collecting | Yes |
Mulching | Yes |
Collector | Canvas with hard top 60 litres |
Chassis | Steel |
Fuel Tank Capacity | 0.75 Litres |
Lawn Size | 40m x 40m |
Collapsible Handles | Hand Wheel |
Safety Features | Operator Presence Control |
Included Accessories | Mulching Plug |
Wheels | Front 200mm Rear 200mm |
Warranty | 2 Years |
Washing Link | No |
Vibration Level | |
dB(A) Rating | |
Weight | 27kg |
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