Mountfield SP185 3-in-1 Self-Propelled Petrol Lawnmower


  • A high-quality petrol rotary mower that represents superb value for money
  • Premium Stiga OHV engine for powerful performance and unfailing reliability
  • Self-propelled transmission for low-effort mowing on slopes and rough grass
  • Multi-stage height of cut means you can achieve the finish you prefer
  • Ergonomic handle folds down to help save space in the shed, garage or car boot
  • Collector holds a substantial 60-litres of cut grass – stops will be few and far between
  • Hard top on the collector protects the operator from dust on dry days
  • Rugged steel mower deck ensures durability is not in question
  • Extended five-year manufacturer’s warranty
Mountfield SP185
Mountfield SP185 3-in-1 Self-Propelled Petrol Lawnmower £480.95
Mountfield SP185
Mountfield SP185 3-in-1 Self-Propelled Petrol Lawnmower
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Mountfield SP185 3-in-1 Self-Propelled Petrol Lawnmower

Anyone seeking a high-quality but nevertheless affordable petrol rotary mower for a medium-sized lawn should give the attractively priced and solidly built Mountfield SP185 some serious consideration!

Powered by a Stiga ST 140 OHV engine with Autochoke technology, the Mountfield SP185 Petrol Lawnmower features one of the Swedish brand’s best-selling and most reliable engines. These four-stroke air-cooled motors are premium units with OHV technology for optimised performance and a longer service life; and a transistorised electronic ignition for fast, dependable starting.

A great choice for lawns with banked sections and/or areas of rough terrain, the Mountfield SP185 Petrol Lawnmower benefits from a rear-wheel self-drive, which means you’ll get the job done with far less effort expended than would be using a hand-propelled model.

It’s fitted with a comfortable, ergonomically optimised handlebar, which you can fold down if space is at a premium in your storage area, it blends six preset heights of cut with three-in-one mowing (bag; mulch; cut & drop) to ensure you’ll enjoy hard-to-beat flexibility of use.

The capacious 60-litre grass collector that comes with the Mountfield SP185 3-in-1 Self-Propelled Petrol Lawnmower is made from fabric, which allows spent air to escape, in turn enabling the maximum amount of clippings to be packed-in.

A hard top on the catcher prevents dust and pollen particles rising into the user’s face when conditions are dry.

Also important on the Mountfield SP185 3-in-1 Self-Propelled Petrol Lawnmower is its rugged, 46cm-wide steel cutter deck, which brings peace of mind when it comes to robustness and longevity.

This model is aimed at areas around 800m2.

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 Make


Engine Model

ST 140 Series OHV

Engine Capacity


Engine Power

3hp / 2.2kW @ 2900rpm

Engine Starting System


Engine Fuel-Tank Capacity

0.8 Litres

Cutting Width


Cutting Heights

22-65mm (6 Positions)

Height Adjustment

3 Levers

Grass Collector

60 Litres – Fabric with Hard Top






Self Propelled

Cutting Deck





Front 165mm / Rear 190mm

Safety Features

Operator Presence Control

Sound Level

96dB (A)

Lawn Size

Up to 800m2

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.