B-747-8F Speed mph 648 kph 1042 Maximum Cargo Weight lbs 295,200 kg 134,000 Maximum Volume cft 30,177 cbm 854 Maximum Cabin Dimensions Length in. 1,912 Width in. 241 Height in. 120 Length cm. 4,856 Width cm. 612 Height cm. 304 Maximum Door Dimensions Width in. 138 Height in. 120 Width cm. 350 Height cm. 304