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Wolf Power 4.0KVA Heavy Duty Petrol Powered Generator

Reference: ME8857746

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  • Next Day delivery available
  • Free delivery (postcode specific)
  • Next Day delivery available

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78% positive reviews (6498 sales)
Available delivery options:
  • Standard delivery in 3 to 5 working days (Free delivery)
  • Next day delivery for all orders before 13:00 (P&P starting at £4.99) Place your order before 13:00 to qualify for next day shipping!

    Available only to mainland UK
    Orders placed after 13:00 will be received within 48 hours (working days).

Delivery to the British Isles only (UK, Jersey and Guernsey)

Wolf Power 4.0KVA Heavy Duty Petrol Powered Generator


Produced by Wolf, this generator has become the backbone of the highly popular Wolf Generator Series of which there are tens of thousands are in regular use within the UK. This machine provides a reliable and dependable source of electricity virtually equivalent in stability to an inverter whenever and wherever it is needed.

Powered by an easy start Wolf recoil start 7HP 4 stroke petrol engine, the generator is fitted with a reliable Wolf alternator with incorporated Automatic Voltage Regulator for excellent performance and power output stability.

This 230v, 4KVA power generator will deliver a maximum power output of 3,200 watts and a constant power output of 2,800 watts. It has a standard 13amp outlet socket and also for those higher power requirements, a 16 amp industrial coupler socket. This model also has 12v battery charging terminals on the control panel.

Fitted with a 15 litre capacity fuel tank, the machine will operate for up to 10 hours between refills allowing you to ‘fill and forget' for a typical working day.

Many safety and performance features are incorporated into Wolf generators as standard and this machine is no exception:

The alternator is fitted with its automatic voltage regulator to ensure voltage and frequency stability close to that of the domestic mains supply stability.

The engine is fitted with a low oil level shut down facility ensuring safe smooth and efficient operation and long life.

A fitted front panel circuit breaker guards against generator overload damage.

A voltmeter displays the output voltage from the generator, visually confirming that the output voltage is precisely what you need it to be.

Mounted into a strong tubular steel frame, this superbly designed machine is supplied fitted with anti vibration mounts for stability in use.

An optional Wolf All Terrain wheel kit for those who need the ability of moving the generator around is available.

Hints and Tips:

Quite naturally, we want you to make the most of your generator and to ensure that it will last for many years to come please follow these simple guidelines.

Only use fresh and clean unleaded petrol in this generator

Use only proprietary branded semi synthetic engine oil in your Wolf engine. We recommend Fuchs Semi Synthetic 10W-40 for this engine. This model needs 0.65 litres.

Service the generator regularly. The manual will inform you what to do and when.

Be aware of start up power requirements of appliances that you need to operate in order to ensure that you purchase the correct size of generator.

There are 2 types of loads which you can exert on a generator:

1. A ‘resistive' load – for example light bulbs, heaters, kettles etc.
2. An ‘inductive' load – from, for example, an electric motor, air compressor, pressure washer, power tool etc.

Items which produce an inductive load need 2-3 times the rated wattage as a start up provision in a generator. In other words if you have a 1000 watt, 125mm angle grinder which you want to work from a generator, the inductive load that it will put onto the generator during start up is between 2,000 – 3,000 watts. Once running, the grinder will draw its rated load of 1,000 watts, however a start up ‘load provision' of 2,000-3,000 watts needs to be made.

If you have any queries on which generator to choose, please do not hesitate to contact one of our specialists on 0330 123 0001


This generator is warranted against faulty components or manufacture for 2 years domestic use from the date of purchase. For industrial and Commercial use the warranty is limited to 1 year and for hiring limited to 6 months in all cases providing that it has been correctly used and regularly serviced during this term and not been the subject of misuse or abuse.
  • Brand WOLF
  • Type of fuel Gasoline
  • Maximum power 3200 W
  • ManoMano Reference ME8857746

About The Brand


Wolf has been renowned for quality tools since 1900 and have received many accolades from magazines and awards for their excellent quality, impressive features and market appeal. Wolf was the Power Tool Manufacturer to the British Aviation Authority in the 1930's and 1940's. Wolf proudly moved across to the DIY power tool market in the 1950’s and quickly became the premier brand. Today Wolf are producing exceptional quality power tools at affordable prices and are still renowned for excellent quality across the range.

4 DIY reviews by customers

Average rating: 4/ 5

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1 Reviews

Most helpful review:

Profile Image Derren.T 1 reviews given 0 upvotes
Bought on 05/10/2018 Published on 16/10/2018

Not good won't start
Won't start it's faulty rubbish Read more

4 Reviews

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Profile Image Tania.O5d271cec1c1bd 1 reviews given 0 upvotes
Bought on 11/07/2019 Published on 07/08/2019

Very easy to use
Profile Image Martin.N44 1 reviews given 0 upvotes
Bought on 08/07/2019 Published on 01/08/2019

Bought this for me to run two bouncy castles blowers. Handled it with ease. Very happy with this Read more
Yes, I would recommend this product
Profile Image James.F57 1 reviews given 0 upvotes
Bought on 16/06/2019 Published on 02/07/2019

Very easy to use
And very happy with this product Read more
Yes, I would recommend this product
Profile Image Derren.T 1 reviews given 0 upvotes
Bought on 05/10/2018 Published on 16/10/2018

Not good won't start
Won't start it's faulty rubbish Read more

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