The Mitsubishi Fuso Aero King (kana:三菱ふそう・エアロキング) is a series of heavy-duty double-decker coaches built by Mitsubishi Fuso Truck and Bus Corporation. The Aero King first went on sale in 1984, after being introduced at the 1983 Tokyo Motor Show. It can be either built as an integral bus or a bus chassis. The engines that were used in the Fuso Aero Bus were the 8DC9 (turbocharged V-8, , used between 1984 and 1995 for MU515TA/MU525TA), the 8M21-3 (NA V-8, /, used between 1995 and 2005 for MU612) and the 6M70-T4 (turbocharged L-6, 420ps, used between 2008 and 2010 for MU66JS) . Models P-MU515TA/525TA (1984) U-MU525TA (1990) KC-MU612TA (1995) MU612TX (2000) BKG-MU66JS (2008) See also Hino Grand View List of buses Mitsubishi Fuso Truck and Bus Corporation Nissan Diesel Space Dream References External links Mitsubishi Fuso Aero King Aeroking Bus chassis Double-decker buses Coaches (bus) Cab over vehicles Buses of Japan Full-size buses Vehicles introduced in 1984