AL-KO Highline 42.7 SP 3-in-1 Self-Propelled Petrol Lawn Mower
AL-KO Highline 42.7 SP 3-in-1 Self-Propelled Petrol Lawn Mower AL-KO Highline 42.7 SP 3-in-1 Self-Propelled Petrol Lawn Mower
RRP: £339.00
OUR PRICE: £299.00 (inc VAT)

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The AL-KO Highline 42.7 SP rotary lawn mower is petrol-powered by a reliable and easy-starting 125cc Briggs & Stratton 450E Series four-stroke OHV engine.  A self-propelled machine, the power drive eliminates the need to push so the mower does most of the hard work for you - great if you've got sloping lawns.

Featuring a working width of 42cm (16"), the AL-KO Highline 42.7 SP is equipped with a hard-wearing ULTRAMOW steel deck, which is offset to allow mowing right up to the edge of walls and fence lines.

Versatility comes in the form of AL-KO's 3-in-1 function, which offers mow and collect, rear discharge and mulch capabilities, all in a single machine. The grass collector is a capacious 65 litres with bag full indicator. In mulching mode, just mount the mulching insert (without tools), and the grass clippings are chopped into super-fine particles which are forced back onto the lawn surface to recycle nutrients back into the turf. Whatever the cutting conditions, the seven stage, three-lever cutting height adjustment lets you conveniently select the desired cutting height from 25mm to 75mm.

Ideally suited for lawns up to 1,000 square metres, ease of use and fatigue-free mowing are ensured thanks to the ergonomically-shaped handlebar and wheel drive bar, which combines with the full width safety switch for experience you can feel. The extra-large wheels with double ball bearings provide smooth-running on uneven areas.

As with all mowers in the Highline range, the 42.7 SP can be stood vertically to enable easier under-deck cleaning and to save space when it is stored away. As well as being backed by an extended five year manufacturer's warranty, this model is delivered with a bottle of free oil and fully assembled in its box.

Product specification

Brand: AL-KO
Engine: Briggs & Stratton
Engine Model: 450E Series
Engine Type: Petrol, 4-stroke, OHV
Displacement: 125cc
Rated Power Output: 1.8kW / 2900rpm
Start Method: Recoil
Throttle Control: No
Propulsion: Self-propelled single speed
Ground Speed: Single speed 3.5km/h / 2.2mph
Recommended Lawn Area: > 1000m²
Cutter Deck: UltraMow Classic steel
Cutting System: 3-in-1: cut & collect, rear discharge and mulch
Width of Cut: 42cm / 16"
Minimum Cutting Height: 25mm
Maximum Cutting Height: 75mm
Cutting Height Adjustment: 2 levers front, 1 lever rear, 7 stages
Collection System: Grass box
Collector Capacity: 65L
Bag Full Indicator: Standard
Mulch Capable: Yes
Mulch Plug: Standard
Side Deflector: No
Handle Type: Folding
Wheels - Front: 180mm, ball bearing mounted
Wheels - Rear: 220mm, ball bearing mounted
Safety Features: Operator presence control
Weight: 28kg
Warranty: 5 years

Briggs & Stratton 450E Series engine

The Briggs & Stratton 450E Series engine provides the best-in-class performance for this category of engines. It incorporates the latest engine design technologies ensuring optimal torque ad efficiency, resulting in lower emissions.


OHV Technology

OHV technology for more performance and improved fuel economy through optimal valve location and design of chamber that delivers longer engine life


The mower is equipped with a clutch which, when engaged, propels the mower forward, reducing the amount of effort expended by the operator.

3-IN-ONE Function

A mulch plug is included as standard so you have the choice of cutting and collecting, rear discharge and mulching the grass clippings.

Large Collector

The large 65 litre grass collector includes a grassbox full indicator.

AL-KO Service Position

An innovative AL-KO concept, a unique service position enables the mower to stand on end when the fuel tank is empty and the machine is set to the highest cutting height. This allows easy cleaning and maintenance of the underside of the mower deck.

Other Key Features

ULTRAMOW steel deck.

Comfortable seven-stage cutting height adjustment.

Ergonomically shaped handles maximise user comfort.

XL wheels for easy and agile manoeuvrability.

Main lawn mower body comes fully assembled in the box.


Industry-Leading Warranty

AL-KO Highline lawn mowers are backed by a five year manufacturer's warranty for domestic use (subject to annual servicing).

Alko lawnmower


Founder Alko Founded in 1931 by Alois Kober as a small metalworking shop in southern Germany, AL-KO has become a global player comprising of more than 50 sites in 30 countries. The AL-KO Group today employs over 4,200 people worldwide covering three business divisions - Vehicle Technology, Garden + Hobby, and Air Technology. All AL-KO employees take great pride in the quality products they manufacture. 

For greater enjoyment in the garden

For more than 50 years, AL-KO has been developing and designing innovative garden tools for an extremely wide range of requirements and applications. Not only do AL-KO tools reflect its many years of expertise in technology and function, they also set new standards in terms of design. 

When the best is expected

With Germany efficiency, AL-KO's research and development engineers create pioneering garden tools from hundreds of individual parts. Materials of the highest quality, ingenious technology, perfect ergonomics and a sure feel for form and deteail make AL-KO's garden tools unmistakable.

The rigourous quality requirement that characterises the AL-KO band is guaranteed through its comprehensive technology programme that is consistently planned and implemented by AL-KO development engineers, designers and technicias - from the first design, to prototype construction and the end product.

Why not take the plunge into the world of AL-KO and get to know its high-quality products - without doubt you will find just the right implement for your requirements. AL-KO has everything you need for the garden, whether you are mowing, trimming, shredding, mulching, scarifying, lawn raking, cultivating, splitting or clearing ... 


All machines come with a two year warranty, following this machines have an extended warranty depending on the range and annual servicing by an authorised AL-KO dealer.

AL-KO Warranty

Solo by AL-KO

AL-KO has recently acquired Sindelfingen-based SOLO Kleinmotoren GmbH to strengthen its range of garden machinery. The existing AL-KO range is being expanded with petrol chainsaws and trimmers, providing customers with expertise and strong, tradition-rich brands in one product range.

 AL-KO factory


Click to view AL-KO Garden Technology brochure

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