{Reference: Newman-Whitney Website circa 2006}
| Year Built | Serial Numbers |
| 1940 | 3920 - 4004 |
| 1941 | 4007 - 4110 |
| 1942 | 4115 - 4289 |
| 1943 | 5121 - 5122 |
| 1944 | 5138 - 5306 |
| 1945 | 5308 - 5399 |
| 1946 | 5415 - 5591 |
| 1947 | 5965 - 6146 |
| 1948 | 6147 - 6595 |
| 1949 | 6792 - 7195 |
| 1950 | 7196 - 7474 |
| 1951 | 7626 - 8113 |
| 1952 | 8114 - 8289 |
| 1953 | 8751 - 9049 |
| 1954 | 9050 - 9328 |
| 1955 | 9329 - 9679 |
| 1956 | 9680 - 10083 |
| 1957 | 10084 - 10380 |
| 1960 | 10675 - 10880 |
| 1965 | 11350 - 11650 |
| 1967 | 11670 - 11925 |
| 1970 | 12580 - 12800 |
| 1973 | 13100 - 13260 |
| 1975 | 13380 - 13490 |
| 1977 | 13672 - 13732 |
| 1981 | 14040 - 14180 |
| 1985 | 14319 - 14404 |
| 1986 | 14405 - 14432 |
| 1987 | 14433 - 14498 |
| 1988 | 14499 - 14598 |
| 1989 | 14599 - 14652 |
| 1990 | 14654 - 14752 |
| 1991 | 14753 - 14792 |
| 1992 | 14793 - 14832 |
| 1993 | 14833 - 14897 |
| 1994 | 14898 - 14988 |
| 1995 | 14989 - 15041 |
| 1996 | 15042 - 15118 |
| 1997 | 15119 - 15179 |