Pratt & Whitney R-4360 Wasp Major engineGeneral characteristics
Crew: 3
Length: 218 ft 8 in (66.65 m)
Wingspan: 319 ft 11 in (97.54 m)
Height: 79 ft 4 in (24.18 m)
Fuselage height: 30 ft (9.1 m)
Loaded weight: 400,000 lb (180,000 kg)
Powerplant: 8 × Pratt & Whitney R-4360 Wasp Major radial engines, 4,000 hp (2,640 kW) each
Propellers: four-bladed Hamilton Standard, prop, 1 per engine
Propeller diameter: 17 ft 2 in (5.23 m)
Performance
Cruise speed: 250 mph (407.98 km/h)
Range: 3,000 mi (4,800 km)
Service ceiling: 20,900 ft (6,370 m)
