32 wheels! -- Costs more than my house to rotate the tires! The World's Biggest Airplane, the Russian Antonov 225. Attached pics are of the Russian behemoth when it came into Medford ,  OR , to pick up two Sikorsky fire fighting helicopters to take overseas -- it cost $1,000,000 to transport them. It is amazing something this huge can stay in the air. The Wright brothers would never have dreamed it.