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AL-KO Petrol Lawnmower Highline 51.7 SP-H

(51cm) Petrol 160cc HONDA GCV 160 Rotary Self Propelled Lawnmowercode: AK119801
Now £549.00 inc. VAT
Was: £609.00 inc. VAT You Save: £60.00 inc. VAT (10%)
Delivery within 3-5 working days
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The Highline 51.7 SP-H Honda powered self propelled lawnmower is ideal for medium / large lawns.

  • Honda GCV160 engine
  • 4INONE function
  • Self propelled
  • Central 7-Stage cutting height adjustment
  • Large 70 litre EasyClick grass collector

The Highline 51.7 SP-H is powered by a Honda GCV 160 engine and has a large 51cm / 20 inch cutting width.

The reliable Honda 160cc petrol engine is designed to be easy to use and maintain by having the spark plug and oil drain and fill easily accessible whilst the automatic mechanical decompression system makes starting the engine easier. This is made possible by the opening the exhaust valve when the engine is being started which results in the amount of force required to start the engine being reduced.

The wheel drive role of the lawnmower is to make mowing the lawn effortless as there is no need to push due to the mower driving itself.

Having the mowing, collecting, side discharge and mulching options, this Honda powered petrol lawn mower offers great versatility allowing the mower to cut in different mowing conditions.

The extra tall MAX AIRFLOW Steel cutting deck and large discharge channel increases airflow created under the mower deck resulting in the grass cuttings being thrown backwards in a high arc into the back of the large 70 litre capacity grass collector, meaning that the grass box is effectively filled from the back without the discharge channel becoming blocked.

The integrated indicator will alert the user when the grass box is full and requires emptying.

Pushing the lawnmower over uneven ground is easy thanks to the XXL smooth running wheels and the storage space required is minimised due to the integrated storage function which allows the mower to be stored upright.

Wide XXL wheels.

The XXL wheels with double ball bearings enables the mower to be pushed smoothly across grass or uneven land


The 4INONE function allows the user to mow, collect, mulch and side discharge all from a single machine for maximum durability.

MaxAirflow Technolgy.

The extra tall steel decks and large discharge channel increase the airflow resulting in grass clippings being thrown in a high arc to the back of the collector ensuring the collector is filled to the top and discharge channel does not get blocked.

Storage Function.

The Highline lawn mowers can be stood vertically to enable easier under deck cleaning and to save space whilst they are stored away thanks to the integrated storage function.

Power SupplyPetrol
Engine/Motor ManufacturerHONDA
Engine ModelGCV 160
Engine Stroke2 Stroke
Engine/Motor Size (cc)160cc
Ignition/Start TypeRecoil
TypeFour Wheeled
Blade TypeRotary
Mowing FunctionCut / Collect / Side Discharge
Drive TypeSELF PROPELLED - Single Speed
Rear Collect/Side DischargeRear Collect
Cutting Height ControlYes
No. Height Adjustments7
Height Of Cut (mm)30-80mm mm
Cutting Width51 cm
Cutting Deck MaterialMetal
Front Wheels (mm)200 mm
Rear Wheels (mm)280 mm
Grass Bag Capacity (Ltr)70 l
Weight (Kg)36 Kg
Max Domestic Warranty (Yrs)5

For detailed information, please click here

Free Next Day Delivery on orders over £150.00 including vat to UK Mainland. Under £150.00, a carriage charge of £6.99 will be charged.  

No deliveries will be made on Bank Holidays.

No Weekend Deliveries Available.

Deliveries will be made by either Royal Mail, Fedex or DPD.

Please note there maybe extra charges to the follow postcodes some parts of Scottish Highlands and Ireland

Please allow additional few days for all machinery delivery due to Volumetric Weight and Size.

Important Note:

All Tractors, Robotic Mowers are strictly for bespoke delivery by our workshop. We DO NOT SHIP as these products are to be fully built, tested and delivered by our workshop within a 20 Mile Radius of our premises.

All other machinery can also benefit from our bespoke service, additional cost do apply. 

Hopefully you won’t need to return an item of your order, if you do, we’re here to help. Firstly let us know. E-mail hello@gaywaysltd.co.uk, Telephone 020 8908 4744 Please have your 'invoice number' to hand so we can deal with your request.


Please call Customer Services on 020 8908 4744 for any delivery inquiries or click here to know more.

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