... -cooled, in line four-stoke, Humit cylinder liner, direct injection c) Alternator: Marathon brushless alternator 18) Control system: a) Automatic ... to meet the requirement of radiation at ambient temperature 40°C 22) Filter system: oil, fuel and air filter 23) Accessories: ... engine with all accessories, 3 filter, electric systems b) Alternator c) Steel structure d) Fan and water tank cooling system e ...