Martin B-25 Mitchell Dimensions: Span: 67’ 7” Length: 51’ Engine: Two 1,700 Pratt and Whitney Cyclone radials Weights: Empty: 19,975 lbs. Loaded: 36,047 lbs. Performance: Max Speed: 275 MPH Range: 1,350 miles Armament: 10 .50 caliber machine guns Up to 3,000 lbs of bombs