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.

Kubota D1105 Engines from UK Stock

Like many engine manufacturers, Kubota’s lead times for new engines out of Japan has become extremely long, with deliveries of up to 9 months being quoted. So when a UK customer enquired for three Kubota D1105 engines, we searched our extensive range of contacts and managed to locate stock available for immediate delivery. Within a week, they had their engines! Job done. ✅ Apologies for the poor photos, they were packed up and ready to [...]

Another Reconditioned Lister Petter LT1!

Here we have another fully reconditioned Lister Petter LT1! This particular engine was originally produced in 1992 and features a silencer and engine-mounted fuel tank. We can offer spare parts only or the complete recondition, either using your old unit or a doner unit from the used engine market. Contact us today to see if we can assist you with your diesel engine reconditioning!

Lister Petter launch EU Stage V Engine

It has certainly been a long time coming but it's finally here! Lister Petter has entered the market with a compliant EU Stage V 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 to EU Stage V. Due to our uniquely close relationship, Sleeman & Hawken have been in constant dialogue with [...]

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.