B-747-400 Speed mph 575 kph 920 Maximum Cargo Weight lbs 245,000 kg 111,131 Maximum Volume cft 22,000 cbm 623 Maximum Cabin Dimensions Length in. 2010 Width in. 192 Height in. 118 Length cm. 5,105 Width cm. 487 Height cm. 299 Maximum Door Dimensions Width in. 134 Height in. 118 Width cm. 340 Height cm. 299