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| | XB-10 Model 123; XB-907A | YB-12
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| Armament | Three .30-cal. Browning machine guns and 2,260 lbs. of bombs Armament | Three .30-cal. machine guns and 2,260 lbs. of bombs
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| Engines | Two Wright R-1820-19 radials of 675 hp each Engine | Two Pratt & Whitney R-1690-11 Hornet radials of 700 hp each
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| Maximum speed | 207 mph at 6000 ft.Maximum speed | 218 mph
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| Cruising speed | 170 mph Cruising speed | 170 mph
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| Range | 600 miles with full armament loadRange | 524 miles with full bomb load (1,360 miles ferry range)
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| Service ceiling | 21,000 ft. | 24,600 ft.
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| Span | 70 ft. 7 in. | 70 ft. 6 in.
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| Length | 45 ft. | 45 ft. 3 in.
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| Height | 10 ft. 4 in. | 11 ft.
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| Weight | 12,560 lbs. gross | 12,824 lbs. gross
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| Crew | Four |
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| Variants |
XB-907 - US Army "Estimated" designation Model 123.
XB-907A - slightly Modified Model 123
XB-10 - the main serial version; the model was based on the XB-907A.
YB-10 - the initial production model with engines R-1820-25 with a capacity of 675 hp and separate closed cabins of pilots and a radio operator; 11 copies.
B-10 - Basic model (for modifications)
YB-10A - based on the YB-10 model, but instaed of R-1820-19, fitted with R-1820-31 engines with turbochargers radial piston engines.
B-10B is the main serial version; similar to the YB-10, but with more powerful engines R-1820-33; 103 copies were built.
B-10M - a new designation for several B-10B aircraft, target tows.
YB-12 - Improved B-10 model equipped with Pratt & Whitney R-1690-11
B-12A - "advanced B-10"
YB-13 - Design of an airplane model with a new engine
XB-14 - an experimental specimen equipped with two Pratt & Whitney R-1930-9 Twin Wasp engines with a capacity of 950 hp each.
A-15 - Draft heavy three-seat attack aircraft on the basis of YB-10 with R-1820-25 engines (750 hp)
YO-45 - one of the YB-10, where the R-1820-17 engines with a capacity of 675 hp were installed for the evaluation tests.
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| Export |
Model 139 - export designation for Model B-10
Model 139WA - Export to Argentina model for demonstrating the capabilities of the aircraft
Model 139WAA - Argentine designation of the model for export: For Argentine Army.
Model 139WAN - Argentine model designation for export: For Argentine naval forces.
Model 139WC - Chinese model designation for export
Model 139WH - Netherlands model designation for export
Model 139WS - USSR model designation for export: model Demonstrator
Model 139WSP - supposed for export to Spain
Model 139WT - Turkish model designation for export
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