Mountfield S421R HP Lawn Mower

Product Code
Out of stock Usually dispatched within 24hrs of being in stock

Free next day delivery on orders over £90

Free buy online & collect in store


The Mountfield S421R HP is a hand propelled, rear roller rotary lawnmower, made to give you those classic lawn stripes. This lawnmower is robust, with a powder coated steel chassis, ensuring this quality lawn mower will deliver a superb finish for many years.

The Mountfield 100cc RS 100 OHV 4-stroke engine makes for exceptional running and performance. With 5 cutting heights ranging from 20mm to 70mm, which are selected using a single level, ensuring that you pick the best and most suitable height for your lawn. The 55-litre grass collector is easy to attach and has an indicator to show when it needs emptying.

Technical Information
Additional Information
Engine Brand Mountfield
Engine Type RS100 OHV
Engine Capacity 100cc
Net Power Output 1.55kW @ 2800rpm
Starting Method Recoil
Transmission N/A
Drive Hand Propelled
Cutting Width 41cm /16"
Cutting Heights 20-70mm (5 Positions)
Cutting Height Adjustment Signle Lever
Roller Yes
Collecting Yes
Mulching No
Collector -
Chassis Steel
Fuel Tank Capacity -
Lawn Size 20m x 20m
Colapsible Handles Hand Wheel
Safety Features Operator Presence Control
Included Accessories N/A
Wheels Front 180mm Rear 127mm
Washing Link No
dB(A) Rating 96
Weight 29KG
Product Code ZG-299434043/M14
Brand Mountfield


Buxton’s offer free next working day delivery on orders over £75 ex. VAT (£90 incl. VAT) for the UK Mainland (excluding the Highlands and Islands). We also offer a Royal Mail service for smaller items which will be 1-2 working days. Oversized shipping is for products over 1.2m in length and will have a different shipping charge. White glove is only on highlighted products and is free to people within a 30-mile radius of our showroom.

Orders placed before 3 pm are dispatched the same working day. After this time, orders are sent out the following working day. Orders received during weekends or on Bank Holidays will be processed on the next working day. Please note all orders placed on a Friday will arrive the following Monday. However, you can purchase Saturday delivery for an additional charge.

For more information on our delivery services click here.


At Buxton’s, we offer a 30-day return policy. Within 30 days of receiving your goods, you can return the products for a full refund. Products will only be refundable if they are returned in the original packaging, unused and in a resellable condition. T&C applies. Products that are made to order are non-returnable. For example, rope cut to length. Products that we don't stock and are ordered in from the supplier will have a 25% restocking fee if returned.

For more information on our returns policy click here.


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