Dimensions:
Wing span: 41 ft (12.5 m)
Length: 33 ft 8 in (10.3 m)
Height: 16 ft 1 in (4.90 m)
Wing Area: 314 sq ft (29.17 sq m)

Weights:
Empty: 9,205 lb (4,175.3 kg)
Gross: 12,420 lb (5,633.6 kg)
Maximum Take-Off: 14,670 (6,654.2 kg)

Performance:
Maximum Speed: 446 mph (717.75 kph) @ 26,200 ft (7,985.8 m)
Service Ceiling: 41,500 ft (12,649.2 m)
Maximum Range: 1,560 mi (2,510.5 km)

Powerplant:
One Pratt-Whitney R-2800-18W Double Wasp eighteen-cylinder radial engine, developing 2,100 hp (1,567 kW) for take-off, 1,950 hp (1,455 kW) @ 23,300 ft (7,101.8 m), 2,450 hp (1,828.4 kW) for "War Emergency".

Armament:
Six .50 cal (12.7 mm) Colt-Browning M2 machine guns (some variants had four 20mm cannon) and two 1,000 lb (453.6 kg) bombs or eight 5 in (127 mm) rockets.