General characteristics
Crew: 2
Length: 32 ft 3 in (9.83 m)
Wingspan: 44 ft 0 in (13.41 m)
Height: 9 ft 4 in (2.84 m)
Wing area: 284 ft² (26.38 m²)
Empty weight: 3,898 lb (1,768 kg)
Max. takeoff weight: 5,756 lb (2,611 kg)
Powerplant: 1 × Wright R-1820 "Cyclone" 9-cylinder air-cooled radial engine, 690 hp (515 kW)

Performance
Maximum speed: 177 mph (154 knots, 285 km/h)
Range: 521 mi (453 nmi, 838 km)
Service ceiling: 15,150 ft (4,620 m)

Armament

Guns:

4 × forward-firing .30 in (7.62 mm) machine guns
1 × aft-firing .30 in (7.62 mm) machine gun
Bombs:

4 × 122 lb (55 kg) bombs on underwing racks or 10 × 30 lb (13.6 kg) fragmentation bombs in chutes on either side of the main fuel tank