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Resulted from U.S. Army development program dating back to 1930's. Engine was liquid cooled. Engine continued to be improved during WW-II. Engine shown above mounted on a Curtiss P-40N.
All photographs and text copyright Arizona Aerospace Foundation, 2009 and may not be used in any way without express written permission.
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| Cylinders |
12 |
| Displacement/ Compressions |
1,700 cu in/6.65 to 1 |
| Rated Output |
1,325 hp at 3,000 r.p.m. |
| Dry Weight |
1,620 lbs |
| Commonly Used On |
YFM-1, P-38, P-39, P-40, early P-51, P-63 |
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