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 engines in action during Dubai’s floods

Back in April, one of our directors, Ryan, took a trip to Dubai for the annual Middle East Energy Exhibition. Which unfortunately coincided with the heaviest rainfall Dubai has ever recorded in a 24-hour period. The city practically shut down, and the exhibition was cancelled. Despite the washout, we got to see some Lister Petter engines in action, doing what they do best - working hard in challenging conditions. One standout was a 1997 TR1, [...]

Perkins powered 40kVA Open Generator destined for the Falkland Islands!

Here we have one of our S&H branded, UK built generators. This particular model is a 40kVA single phase open set, powered by a Perkins 1103A-33TG1 engine and coupled to a Stamford UCI-224G alternator with Deep Sea control panel and 125L base tank. This is destined for the Falkland Islands, sold to a longstanding UK customer that specialises in the supply of various equipment to the islands. We supplied the generator with service spare parts [...]

Hatz 1B20-6 Engines off to Cornwall!

Here we have 7x Hatz 1B20-6 Engines, ready for shipment to our Groundworks customer in Liskeard, Cornwall. The Engines are variable speed delivering 3.1kW @ 3000rpm, and are replacements to be fitted into Bomag BPR35/42 F/r Plate Compactors. They have recoil pull starts with chamfered crankshafts where the clutch hub fits. The engines were built to order on a 6 week lead time from the Hatz factory in Germany, not a bad lead time in [...]

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.