Pratt & Whitney Piston Engine Production

Pratt & Whitney produced piston engines from 1926 until 1960.
Below is a detailed accounting of all models produced during each year.

 

TOTAL ENGINE PRODUCTION BY ENGINE TYPES – PRATT & WHITNEY AIRCRAFT, EAST HARTFORD, CONNECTICUT
KANSAS CITY, MISSOURI AND LICENSEES

PISTON MODELS


Year		 R-985
Wasp Jr		 R-1340
Wasp		 R-1535
Twin Wasp Jr		 R-1690
Hornet		 R-1830
Twin Wasp		 R-1860
Hornet B		 R-2000
Twin Wasp D		 R-2180
Twin Hornet		 R-2180
Twin Wasp E		 R-2800
Double Wasp		 R-4360
Wasp Major
TOTALS
1926   19           19
1927   260   9         269
1928   665   284         949
1929 3 1,666   313   47       2,029
1930 56 1,140   283   102       1,581
1931 44 947   217   79       1,287
1932 90 327 7 235 2 147       808
1933 63 500 16 334 5 70       988
1934 63 212 79 441 65 1       861
1935 105 362 204 89 15        775
1936 163 162 611 134 165        1,235
1937 301 201 335 223 585    14     1,659
1938 219 537 246 138 695    15     1,850
1939 380 615 89 99 1,792    1   2   2,978
1940 1,037 1,106 1,269 86 3,643      17   7,158
*1941 4,551 5,418 24 45 6,441   9    1,733   18,221
*1942 10,233 7,621   14 22,655   406    11,840   52,769
*1943 14,357 6,012    59,561   1,449    23,726 11 105,116
*1944 6,407 5,546    65,060   3,164    45,259 27 125,463
*1945 488 318    12,787   5,755    31,515 114 50,977
1946 260 142    99   1,480    472 387 2,840
1947 68 31    46   343    1,172 985 2,645
1948 49 4      58    956 1,220 2,287
1949 92 2      27   61 478 1,576 2,236
1950 6       108   7 546 1,613 2,280
1951   4    2   23   7 817 2,334 3,187
*1952        19    1,051 2,923 3,993
*1953 2 244      52    2,028 3,910 6,236
*1954   483      44    1,409 2,942 4,878
*1955   231      26    764 637 1,658
*1956   84      21    583   688
*1957   29      5    681   715
*1958   41      6    384   431
*1959   30      1    3   34
*1960   7         7   14
TOTAL 39,037 34,966 2,880 2,944 173,618 446 12,966 30 75 125,443 18,679 411,114
* Includes Licensee Production
Note: Document the above transcribed from has all of the same numbers, except for the grand total, which is 411,124. Sum of TOTALS is 411,114.
"R-" added to Military Designations in first line; Pratt & Whitney Designations added in second line.
2015-01-09

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