Tannewitz Serial NumbersSubmitted by jmcvey123@msn.comJeff McVey, e-mail: jmcvey123@msn.com.Beginning in 1972, the first two digits of the S/N indicate year of manufacture.
| Year | Last Serial Number |
| 1923 | 1826 |
| 1925 | 2698 |
| 1930 | 4372 |
| 1935 | 4708 |
| 1940 | 5912 |
| 1941 | 6600 |
| 1942 | 7435 |
| 1943 | 8067 |
| 1944 | 8595 |
| 1945 | 8998 |
| 1946 | 9452 |
| 1947 | 9980 |
| 1948 | 10395 |
| 1949 | 10526 |
| 1950 | 10868 |
| 1951 | 11325 |
| 1952 | 11600 |
| 1953 | 11907 |
| 1954 | 12070 |
| 1955 | 12340 |
| 1956 | 12636 |
| 1957 | 12914 |
| 1958 | 13022 |
| 1959 | 13259 |
| 1960 | 13433 |
| 1961 | 13593 |
| 1962 | 13838 |
| 1963 | 14148 |
| 1964 | 14431 |
| 1965 | 14719 |
| 1966 | 15086 |
| 1967 | 15484 |
| 1968 | 15749 |
| 1969 | 16029 |
| 1970 | 16124 |
| 1971 | 16309 |