Dimensions:
Wing span:  52 ft. 0 in (15.84 m)
Length:  37 ft. 10 in. (11.53 m)
Height: 12 ft. 10 in. (3.91 m)

Weights:
Empty:14,100 lb. (6,395 kg)
Operational: 17,500 lb. (7,937 kg)

Performance:
Maximum Speed: 390 mph (627 km/h)@15,000 ft(4,572 m)
Service Ceiling: 40,000 ft. (12,192 m)
Range: 900 miles (1,448 km) @ 30,000 ft. (9,144 m) 

Powerplant: Two Allison V-1710-111/113 , liquid cooled engines.
Engine power developed 1,425 hp (1,062 kw) @ sea level and 26,500 ft. (8,077 m). 
Under war emergency conditions 1,600 h.p. (1,193 kw) was available. 

Armament:
One 20 mm. Hispano AN-M2C cannon. and four .50 calibre Browing machineguns. External bomb load of 4,000 lbs. or ten 5 in. rockets.