Sleeman and Hawken have been trading over 50 years with marine and industrial diesel engines plus related products. We are appointed dealers for spare parts and engine sales in industrial and marine sectors covering Lister Petter spares, Lister Petter engines, Lister Petter marine, Lister Petter generating sets, Sabb, John Deere, Lombardini, Kohler, Hatz, Yanmar and Mase generators. Click on other manufactures and products in our supplier page links you will find we have direct accounts and therefore competitive pricing from many other suppliers.