The 747-400 Freighter is the largest commercial cargo transport in service, with the lowest ton-mile cost in the industry. With a maximum takeoff weight of 875,000 pounds (396,900 kg), the standard 747-400 Freighter can carry 124 tons (113,000 kg) of cargo up to 4,450 nautical miles (8,240 km). About 110 747-400 Freighters are in service worldwide today, operated by the leading air cargo companies.