3800rpm diesel marine engine, 4 stroke turbocharge and after-cooled, direct injection diesel engine with electronically controlled common rail injection. Cooling controlled by separate fresh and salt water circuits, with extractable hoses for easy maintenance. Lube oil, water and air circuits designed to reduce external flexible pipes to a minimum to reduce loss of liquids in the bilge. Auxiliary devices driven by Poly-V belt to ensure excellent power transfer and long life. Electrical circuit protected by reactivate-able valves.