50 Incredible C-5 Galaxy Facts C-5 Weighs An Average Of 150.5 Pounds. 27. A singe tire on the C-5 weighs an average of 150.5 pounds. All 28 tires combine to weigh an astounding 4,214 pounds! Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50