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Mountfield SP45 Self-Propelled Petrol Lawnmower

  • MO299274648/M17

  • Availability: In Stock

  • Recommended Retail Price: £289.00

  • Our Price £239.00

  • You save: £50.00

We have introduced to our catalogue of Mountfield products their Universal lawn mower range which feature superb value mowers with Mountfield and Honda engines. These mowers are available in several cutting widths with four wheel hand-propelled and four wheel self-propelled models with either poly or steel decks.

The Mountfield SP45 self-propelled mower is a step up from the ‘41’ models with a 44cm cutting width, power drive and steel chassis. The steel deck is hardwearing and easy to maintain. Powered by a 4-stroke Mountfield WB45 petrol engine the SP45 will be powerful yet economical to run. Although this is an economy model the 4 wheeled Mountfield SP45 has many great features including folding handles, single point cutting height adjustment and 55L fabric and hard top grass bag. Fabric grass collectors allow the air to circulate through the cuttings as you mow and the rigid top has a handle for easier carrying and attaching.

The SP45 is a power driven or self-propelled lawnmower with a fixed single speed designed for small to medium lawns of approx. 40m x 40m. Choose your ideal cutting height from the 5 options which can be adjusted from 20 – 70mm. Start at the highest setting (70mm) then work down to the lowest (20mm) for the best cut and finish to your lawn. The cutting height is adjusted from a single point so is quick and easy. You can get even greater versatility from the mower by fitting the mulch plug. Once the plug is fitted into the rear of the machine the grass will be cut into extra fine pieces which are blown down onto the lawn. They will virtually disappear and be absorbed into the soil.

The Mountfield 140cc WB45 OHV engine is tried and tested and has been used on many of the petrol mowers made by Mountfield. A bottle of 4-stroke engine oil will be included with the mower to get you started. You then only need to fill with fresh petrol and off you go. Always use fresh petrol in your engine as it can begin to go stale within 4 – 6 weeks. Stale fuel will affect the performance and running quality of the engine and can stop it working altogether. Only buy as much as you need and don’t store big quantities. Alternatively mix your fresh petrol with a fuel additive which can keep it fresh for up to 3 years. These additives won’t revive stale fuel so you need to mix together with the fresh petrol before you add to the fuel tank.


  • Type: 4 wheel
  • Cutting Width: 44cm
  • Drive: Yes, single speed
  • Starter: Recoil / Pull
  • Chassis Material: Steel
  • Cutting Height Adjustment: Single point
  • Cutting Heights: 5 settings from 20 – 70mm
  • Grass Collector Capacity: 55L
  • Grass Collector Type: Fabric with rigid top
  • Mulching: Yes, plug included
  • Engine Type: Mountfield WB45 OHV
  • Engine Oil: 4-stroke (0.6l bottle included)
  • Net Power Output: 2.2kW @ 2900rpm
  • Engine Capacity: 140cc
  • Wheel Size: Front 165mm, Rear 190mm
  • Weight: 27.5kg
  • Manufacturer Warranty: 2 years for domestic use only. Terms and Conditions Apply including annual service by an authorised Mountfield dealer

Deck Material
Domestic Warranty
2 Year
Recoil / Manual

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