Here are some specs: C-17 Payload: 170,900 lb Length: 174 ft (53 m) Wingspan: 169.8 ft (51.75 m) Height: 55.1 ft (16.8 m) Max takeoff weight: 585,000 lb (265,350 kg) Powerplant: 4× Pratt & Whitney F117-PW-100 turbofans, 40,440 lbf (180 kN) each Fuel capacity: 35,546 US gal (134,556 L) Cruise speed: Mach 0.76 (450 knots, 515 mph, 830 km/h) Range: 2,420 nmi[71] (2,785 mi, 4,482 km) Service ceiling 45,000 ft (13,716 m) C-5 Payload: 270,000 lb (120,000 kg) Length: 247 ft 1 in (75.3 m) Wingspan: 222 ft 9 in (67.89 m) Height: 65 ft 1 in (19.84 m) Wing area: 6,200 ft² (580 m²) Empty weight: 380,000 lb (170,000 kg) Max takeoff weight: 840,000 lb (381,000 kg) Powerplant: 4× General Electric TF39 high-bypass turbofans, 43,000 lbf (190 kN) each Maximum speed: Mach 0.79 (500 knots, 570 mph, 920 km/h) Range: 2,400 nmi (2,761 mi, 4,445 km) with a 263,200 lb payload Service ceiling 34,000 ft (10.4 km)