RB20/RB28 Gasoline Engine 1)Robin Type 2)EPA/CE approved Specifications: ... ,signlecylinder, Air-cooled,4-cycle,single cylinder,side valve gasoline engine side valve Displacement(cm3)183 273 Rated output KW ... facing P.T.O.shaft Counterclockwise ,facing PTOshaft FuelAutomobile Gasoline (unleaded) Automobile Gasoline unleaded Fuel tank capacity(L) 3.8 5.5 ... 445*380*490 N.W(kg)15 22 Robin Gasoline engine