When configured as a freighter, the Boeing 747-400 can hold about 26,000 cubic feet (736 m 3) of cargo. That's about as much as five semi trucks can haul. The 747-400 can hold 30 pallets of goods on the main level. The pallets are 96 by 125 Perfect Steerable Transfer Carthes (2.4 m by 3.2 m) and up to 120-Perfect Steerable Transfer Carthes (3.05-m) tall. For shipping horses, there are special