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Mountfield SP42 Self-Propelled Petrol Lawnmower

Original price was: £309.00.Current price is: £269.00.

  • A quality machine from a British brand at an undeniably attractive price point
  • Mulching mode for a neat finish and naturally nourished turf
  • Clean running and fuel efficient OHV engine from Stiga
  • Easy-pull recoil starter
  • Effort saving self-propulsion
  • Simple single-lever height of cut adjustment
  • Space saving collapsible handlebars
  • Roomy catcher works to reduce downtime caused by emptying stops
  • ‘Collector full’ indicator prevents overfilling and blockages
  • Steel deck for durability and impact resistance
  • Extended five-year manufacturer’s warranty
Mountfield SP42
Mountfield SP42 Self-Propelled Petrol Lawnmower £309.00 Original price was: £309.00.£269.00Current price is: £269.00.
Mountfield SP42
Mountfield SP42 Self-Propelled Petrol Lawnmower
£309.00 Original price was: £309.00.£269.00Current price is: £269.00.
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Mountfield SP42 Self-Propelled Petrol Lawnmower

With the Mountfield SP42 Self-Propelled Petrol Lawnmower you get classic design, superior build-quality and numerous convenience features, all at a rock-bottom price!

Making it tick is a super-efficient Stiga ST120 engine that develops a sizeable 2.5hp from a displacement of only 123cc, and which, thanks to its overhead-valve (OHV) configuration, will prove clean burning, cheap to run and pleasingly quiet in operation.

Not just a ‘cut & collect’ machine, the versatile Mountfield SP42 Petrol Lawnmower can also be set-up to mulch – instead of being bagged, cut grass is retained under the cutter deck, where it’s reduced to a fine mulch that will quickly rot and vanish, leaving your lawn clippings-free and naturally nourished.

The Mountfield SP42 Self-Propelled Petrol Lawnmower’s compact 41cm cut and power-driven rear wheels blend to make it great match for smaller areas with inclines and areas of rough, tussocky ground.

It features ‘collector full’ indication, so it’s unlikely you’ll overfill and block the discharge chute, and it’s supplied with a roomiest-in-class, 60-litre grassbag, which is made from breathable canvas to maximise catcher capacity.

Offering six preset cutting-heights – simple to select via just the one lever – the Mountfield SP42 Self-Propelled Petrol Lawnmower is flexible in use and can be adapted to produce the finish you prefer.

This model is based around a robust steel chassis, so you can expect excellent strength and durability.

For four-stroke engine oil, click here.

It should be noted that Mountfield petrol lawnmowers are covered by an extended five-year manufacturer’s warranty*.

* Ts & Cs apply – to maintain a valid warranty, the machine must be serviced annually from year two onwards by an authorised dealer

Additional information



Engine Model

ST120 Autochoke OHV

Engine Make


Engine Capacity


Engine Power

2.5hp / 1.9kW @ 2900rpm

Engine Starting System


Engine Fuel-Tank Capacity

0.75 Litres


Self Propelled

Cutting Width


Cutting Heights

22-65 (6 Positions)

Height Adjustment

Single Lever

Grass Collector

60 Litres – Canvas with Hard Top

‘Grassbag Full’ Indicator






Cutting Deck



Foldable / Adjustable with Soft Grip


Front 200mm / Rear 200mm with Grooved Tread

Safety Features

Operator Presence Control

Lawn Size

Up to 500m2

Product Weight



5 Years


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Shipping Info

Shipping Info

If you’re buying a boxed product, we aim to get your order delivered next working day – UK mainland where possible.

If you’re buying a tractor or ride-on mower – a special order item – it could be slightly longer, as we need to PDI the machine.

We do try and van-deliver these machines if we can, as this gives us a chance to demonstrate the product, and to ensure you’re happy and confident with your purchase.

If we can’t van-deliver your machine, as you’re out of our local delivery area, the tractor will be sent on a pallet via a courage company. They will then contact you directly to book a specific day and time that suits you.