Armament: Four .50-cal. M-3 machine guns in the tail barbette and up to 60,000 lbs. of bombs
Engines: Eight Pratt & Whitney J57-P-19W turbojets of 10,500 lbs. thrust each (dry), 12,100 lbs. thrust each wet (water injection)
Maximum speed: 638 mph/551 knots at 20,000 ft.
Cruising speed: 526 mph
Range: 3,305 nautical miles combat radius at combat weight of 293,100 lbs. (without in-flight refueling); 8,338 miles maximum ferry range
Service ceiling: 46,200 ft. at combat weight of 293,100 lbs.
Span: 185 ft. 0 in.
Length: 156 ft. 7 in.
Height: 48 ft. 4 in.
Weight: 450,000 lbs. (maximum takeoff weight)
Crew: Six (pilot, Copilot, electronic warfare officer, navigator,
bombardier-radar navigator, tail gunner)
Number Built: 170
Serial numbers: 55-0049 to 55-0117; 55-0673 to 55-0680;
56-0580 to 56-0630; 56-0657 to 56-0698
National Museum of the Air Force