MOUNTFIELD SP46 Petrol Lawnmower

SKU: M5-SP46-DOORBUSTER

We’ll include a 600ml bottle of 10W30 engine oil when you buy this lawnmower, free of charge.

High-quality Mountfield self-propelled petrol lawn mower with 46cm cutting width

RRP: £339

Our Price: £299.00 (inc VAT)

In stock

(7 customer reviews)

Need this product quickly? Order in the next 65 hours and 22 minutes and choose next working day delivery at the checkout for delivery on Tuesday.

In stock

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About the MOUNTFIELD SP46 Petrol Lawnmower

Reliable self-propelled lawn mower

Ideal for lawn sizes up to 40m x 40m, this lawn mower is fitted with a reliable Mountfield ST120 123cc engine, delivering an exceptional performance time and time again. It is self-propelled so there is no need to push, resulting in fatigue-free working.

The lightweight SP46 allows you the option of cutting heights between 22mm and 65mm (6 positions) in order to get the perfect finish. Additionally, to add nutrients and save time you can effortlessly fit the mulching plug and clippings are finely cut and redistributed back onto the lawn surface as you mow.

Easy-to-use and hassle-free

The convenient 60 litre grass collector will allow you to carry on mowing for longer without stopping, meaning it will take less time to complete your jobs!​ It is also very easy to transport and store with fold-down handles


Complete with a 2 year warranty.

MOUNTFIELD SP46 Petrol Lawnmower Technical Information

  • Engine Brand: Mountfield
  • Engine Type: ST120 OHV
  • Engine Capacity: 123cc
  • Net Power Output: 1.90kW @ 2900rpm
  • Starting Method: Recoil
  • Transmission: single speed 3.7km/h
  • Drive: Self propelled
  • Cutting Width: 46cm /18 inch
  • Cutting Heights: 22-65 mm (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 200 mm
  • Warranty: 2 Years
  • Washing link: No
  • Vibration level: 5.9
  • dB(A) rating: 96
  • Weight: 26kg

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MOUNTFIELD SP46 Petrol Lawnmower Reviews

7 reviews for MOUNTFIELD SP46 Petrol Lawnmower

  1. Christopher Bench

    Great Lawnmower – The instructions left a lot to be desired to be honest but once it was together it started straight away and has been cutting really well. The self propelled part takes the back breaking work out of it and makes it a joy to use. I have just under 1/4 acre of grass and it is perfect for this size.

  2. Chris

    Great mower…. Packaged and delivered in one piece…. Worked on the 1st pull…. Delivery was prompt and packaging was thorough

  3. CollectPlus Customer

    Cuts well and good self propel. Grass box not so good as it separates top from bottom long before full.

  4. Carol N

    Exceeded our expectations. Excellent quality and performance. The best price that we found online.
    Excellent customer service

  5. Mr John Halliwell

    Great mower easy to use and just right for the job

  6. customer

    Very good lawnmower. Instrunctions rather minimal but the customer service at Garden Machinery Direct is excellent and they answered all our questions. Thank you.

  7. Kate

    Great Product, lighter than our old one. Collects grass well

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