At Sleeman & Hawken we represent many different famous brands and have done for many many years. We can offer a wide range of engines and generators all backed up by our availability of diesel engine spare parts, most of which are in stock and ready for immediate despatch. We also supply a wide range of traders and distributors worldwide so no matter where you are, we will be able to get the parts to you quickly!


Marine engines have been our speciality for may years. Offering some fo the best marine engines from Sabb and Lister Petter, we can cover most applications. We also offer a unique range of genuine spare parts for a range of marine engines.


Industrial applications are run largely by diesel engines due to their rugged persistent performance. We can offer an engine for most applications, from pump sets to welding sets, off-road vehicles and static applications. All backed up by our unique availability of spare parts and technical help.


For many years construction has relied on the power and performance of diesel engines. When your fleet are down and unusable it can be very expensive. See how we can keep your fleet running with spare parts and replacement engines.


The backbone of the farming industry is the reliability of the equipment. The daily use of this equipment brings many challenges. You can be sure that we are on hand to help source and supply the parts needed to keep your equipment running at all times.

Industry News from Sleeman & Hawken

Keeping up with everything in our industry is hard so we have brought you some of the top news articles from within our industry.

Lister Petter Launch EURO Stage 5 Engine

It has certainly been a long time coming but it's finally here!! Lister Petter has entered the market with a compliant Stage 5 engine. After lots of speculation over the years about Lister Petter entering back into the European and UK markets, they have finally released the new 'Mercury Max' diesel engine that is approved EURO stage 5. At Sleeman & Hawken we have been following the progress of Lister Petter very closely. With this [...]

Lister Alternator

Here we have a lovely old Lister alternator, produced between 1935 and 1945. This would normally have been coupled to an engine but in this instance is connected to a water turbine! Making use of the fast flowing water outside this customer’s summer holiday home in Iceland! He advised us the turbine was made in 1933. He requested replacement brushes for the alternator, and you guessed it, we had them in stock! Dispatched the same [...]

Working together to build Sabb L3 Lifeboat Engine

The LPW3 engine was built in the UK by our sister company Lister Petter Power Systems and shipped to our Norway distributor and Lifeboat Engine OEM Frydenbo Industri A/S in Norway. They marinise the engine, fit a ZF Hurth Gearbox and make it suitable for a lifeboat application (SOLAS approved). The ultimate destination for the engine is a shipping company based in Italy.

Car parts, spares and accessories in shopping basket and smartphone isolated in white.

Looking for Spare Parts?

At Sleeman & Hawken we carry large amounts of Genuine spare parts for most engine manufacturers, including Yanmar, Sabb, Lister Petter and more. Browse our store or contact us direct to find the spares you need.