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MOUNTFIELD S421RHP Petrol Lawn Mower

MOUNTFIELD S421RHP Petrol Lawn Mower
MOUNTFIELD S421RHP Petrol Lawn MowerMOUNTFIELD S421RHP Petrol Lawn MowerMOUNTFIELD S421RHP Petrol Lawn Mower
Our Price:  £399.00
List Price:  £448.00
Saving Of:  11%
(Inc. 20% VAT)


IN STOCK (call us to check individual showroom stock)


Special Offer:  Receive a free EXOL SAE 30 Lawnmower Oil 1L when you order 1 item or more of selected products.

Achieve a superb striped finish on your lawn.

Ideal for lawn sizes up to 20m x 20m, the S421R HP hand-propelled rear roller lawn mower has a fantastic Mountfield ST120 Autochoke engine that produces 1.9kW of power @ 2900rpm.

The 41 cm/ 16 inch wide cutting blade allows for the clipping to be collected in the convenient 55-litre canvas hard top collection bag. This lawn mower also features a range of cutting heights between 20-70mm ( 5 positions) to get your desired for you garden.  

Includes a useful indicator that lets you known when the bag needs emptying. A good tip is that when mixed with equal amounts of woody material it helps to give the best garden compost. 

Overall, this machine is extremely sturdy and efficient, delivering a high-powered performance to help get that manicured striped look quickly. 


  • Engine: Mountfield
  • Engine type: ST 120 OHV
  • Engine capacity: 123 cc
  • Net power output: 1.90kW @ 2900 rpm
  • Starting method: recoil
  • Transmission: single speed
  • Drive: hand propelled
  • Cutting width: 41 cm/ 16 inch
  • Cutting heights: 20-70mm (5 positions)
  • Cutting height adjustment: single point
  • Roller: yes
  • Collector: yes
  • Mulching: no
  • Collector: canvas with hard top 55 litres
  • Chassis steel
  • Fuel tank capacity: 0.85 litres
  • Lawn size: 20m x 20m
  • Collapsible handles: hand wheel
  • Safety features: operator presence control
  • Wheels: front 180 mm rear roller 127 mm
  • Warranty: 5 years (Terms and Conditions apply)
  • Washing link: no
  • dB(A) rating: 96
  • Weight: 30 kg

Power Source:  Petrol

Part Number:  299434043/M19

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