Check out this fully loaded Russian Ilyushin IL76 cargo plane. With only 4 engines it can transport 50 tons of cargo!
The IL-76 is a stage 2 aircraft and is therefore not allowed to fly to and from countries within the European Union. This aircraft is also not allowed to fly into the USA.
The only exception to this is exemptions granted on the basis of the flight being for a military or humanitarian purpose.

See for yourself how physics barely lets you believe that this plane can fly - from a runway just long enough for it to take off. Enjoy the comments of the Australian air traffic controllers talking about the "The Vodka Burner".