The Mountfield HW 531PD offers superb value
Mountfield HW531 PD lawnmower


Mid level. Self propelled, 51cm, Stiga engine, steel deck. 5 year warranty.

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High wheeler lawnmowers are our most popular mowers with excellent features. This HW 531 PD is powered by a Stiga ST 170 Autochoke 4-stroke engine, which ensures easy starting, economy and low noise levels.

This HW 531 PD benefits from 280mm diameter rear wheels, which give the lawnmower a great appearance, as well as ensuring a smooth ride, even on more uneven terrain.  The single speed transmission provides effortless lawnmowing whatever the terrain.

The Mountfield 4-in-1 Combi System gives you the choice of grass collection into the large 70 litre collector, rear and side discharge or mulching. 

Mulching grass is a great feature, it saves so much time and can make mowing the lawn more than 30% quicker, there is no need to keep emptying clippings.  

Mulching the grass recycles the clippings, improving the soil as they decompose forming a natural fertiliser, high in potash and nitrogen. You will notice a distinct improvement in your grass, as this fertiliser takes effect over the course of the cutting season.

Engine BrandMountfield
Engine TypeST170 Autochoke
Engine Capacity166cc
Net Power Output2.6kw @ 2900rpm
Starting MethodRecoil
TransmissionSingle Speed
DriveSelf Propelled
Cutting Width53cm /21"
Cutting Heights26-87mm (5 positions)
Cutting Height AdjustmentSingle Lever
CollectorCanvas 70 litres
Fuel Tank Capacity1.0 litre
Lawn Size50m x 50m
Collapsible HandlesQuick Release
Safety FeaturesOperator Presence Control 
Included AccessoriesN/A
WheelsFront 200mm Rear 280mm Ball Bearings
Warranty5 Years (Terms & Conditions Apply)
Washing LinkYes
dB Rating98 

The engine of this machine requires SAE10w30 oil. The engine will be filled prior to delivery, but subsequent oil changes will require 0.6  litres of oil. We suggest that a first oil change is carried out at roughly 10 hours use, then on an annual basis.

We would also suggest that an annual service is carried out.

The engine is designed to run on standard unleaded fuel, but please be aware that this fuel will go stale very quickly so it is best to use fuel that is less than 60 days old or engine problems can occur.

We recommend the use of ASPEN 4 fuel as it will last indefinitely without going stale, so peak performance and starting is always guaranteed. ASPEN 4 is however more expensive than standard petrol and can be purchased in sealed 5 litre cans from ourselves at the Colaton Raleigh shop.

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