| H.N. White Model |
| 1915 - 1916 |
50000 - 52799 |
| 1916 - 1917 |
52800 - 55599 |
| 1917 - 1918 |
55600 - 58399 |
| 1918 - 1919 |
58400 - 61199 |
| 1919 - 1920 |
61200 - 63999 |
| 1920 - 1921 |
64000 - 66799 |
| 1921 - 1922 |
66800 - 69599 |
| 1922 - 1923 |
69600 - 72399 |
| 1923 - 1924 |
72400 - 75199 |
| 1924 - 1925 |
75200 - 77999 |
| 1925 - 1926 |
78000 - 87599 |
| 1926 - 1927 |
87600 - 97199 |
| 1927 - 1928 |
97200 - 110000 |
| Voll-True |
| 1928 - 1929 |
110001 - 116399 |
| 1929 - 1930 |
116400 - 125999 |
| 1930 - 1931 |
126000 - 132999 |
| 1931 - 1932 |
133000 - 145200 |
| Voll-True II |
| 1932 - 1933 |
145201 - 146999 |
| 1933 - 1934 |
147000 - 153999 |
| 1934 - 1935 |
154000 - 179999 |
| Zephyr series I |
| 1935 - 1936 |
179000 - 185999 |
| 1936 - 1937 |
186000 - 200000 |
| 1937 - 1938 |
200001 - 211999 |
| 1938 - 1939 |
212000 - 224999 |
| 1939 - 1940 |
225000 - 238999 |
| 1940 - 1941 |
239000 - 253999 |
| 1941 - 1942 |
254000 - 263999 |
| 1942 - 1945 |
264000 - 272000 |
| Zephyr Special series I |
| 1937 - 1938 |
200001 - 211999 |
| 1938 - 1939 |
212000 - 224999 |
| 1939 - 1940 |
225000 - 238999 |
| 1940 - 1941 |
239000 - 253999 |
| 1941 - 1942 |
254000 - 263999 |
| 1942 - 1945 |
264000 - 272000 |
| Zephyr series II |
| 1945 - 1946 |
272001 - 276999 |
| 1946 - 1947 |
277000 - 286999 |
| 1947 - 1948 |
287000 - 296499 |
| 1948 - 1949 |
296500 - 301499 |
| 1949 - 1950 |
301500 - 307999 |
| 1950 - 1951 |
308000 - 316499 |
| 1951 - 1952 |
316500 - 321999 |
| 1952 - 1953 |
322000 - 329999 |
| 1953 - 1954 |
330000 - 336999 |
| 1954 - 1955 |
337000 - 339999 |
| 1955 - 1956 |
340000 - 345999 |
| 1956 - 1957 |
346000 - 351999 |
| 1957 - 1958 |
352000 - 357999 |
| 1958 - 1959 |
358000 - 363999 |
| 1959 - 1960 |
364000 - 369999 |
| 1960 - 1961 |
370000 - 377299 |
| 1961 - 1962 |
377300 - 384599 |
| 1962 - 1963 |
384600 - 391899 |
| 1963 - 1964 |
391900 - 399199 |
| 1964 - 1965 |
399200 - 406499 |
| 1965 - 1966 |
406500 - 416719 |
| 1966 - 1967 |
416720 - 426939 |
| 1967 - 1968 |
426940 - 437159 |
| 1968 - 1969 |
437160 - 447379 |
| 1969 - 1970 |
447380 - 457599 |
| 1970 - 1971 |
457600 - 468429 |
| 1971 - 1972 |
468430 - 479259 |
| 1972 - 1973 |
479260 - 490089 |
| 1973 - 1974 |
490090 - 500919 |
| 1974 - 1975 |
500920 - 511750 |
| Super 20 series I |
| 1945 - 1946 |
275000 - 276999 |
| 1946 - 1947 |
277000 - 286999 |
| 1947 - 1948 |
287000 - 296499 |
| 1948 - 1949 |
296500 - 301499 |
| 1949 - 1950 |
301500 - 305000 |
| Super 20 series II |
| 1950 - 1951 |
305001 - 316499 |
| 1951 - 1952 |
316500 - 321999 |
| 1952 - 1953 |
322000 - 329999 |
| 1953 - 1954 |
330000 - 336999 |
| 1954 - 1955 |
337000 - 338000 |
| Super 20 series III |
| 1955 - 1956 |
340000 - 345999 |
| 1956 - 1957 |
346000 - 351999 |
| 1957 - 1958 |
352000 - 357999 |
| 1958 - 1959 |
358000 - 363999 |
| 1959 - 1960 |
364000 - 369999 |
| 1960 - 1961 |
370000 - 377299 |
| 1961 - 1962 |
377300 - 380000 |
| Super 20 series IV |
| 1962 - 1963 |
380001 - 391899 |
| 1963 - 1964 |
391900 - 399199 |
| 1964 - 1965 |
399200 - 406499 |
| 1965 - 1966 |
406500 - 416719 |
| 1966 - 1967 |
416720 - 426000 |
| Super 20 series V |
| 1967 - 1968 |
426001 - 437159 |
| 1968 - 1969 |
437160 - 447379 |
| 1969 - 1970 |
447380 - 457599 |
| 1970 - 1971 |
457600 - 468429 |
| 1971 - 1972 |
468430 - 479259 |
| 1972 - 1973 |
479260 - 490089 |
| 1973 - 1974 |
490090 - 500919 |
| 1974 - 1975 |
500920 - 511749 |
| 1975 - 1976 |
511750 - 520000 |
| Super 20 series VI |
| 1973 - 1974 |
500000 - 500919 |
| 1974 - 1975 |
500920 - 511749 |
| 1975 - 1976 |
511750 - 522937 |
| 1976 - 1977 |
522938 - 534125 |
| 1977 - 1978 |
534126 - 545313 |
| 1978 - 1979 |
545314 - 556501 |
| 1979 - 1980 |
556502 - 567689 |
| 1980 - 1981 |
567690 - 578877 |
| 1981 - 1982 |
578878 - 590065 |
| 1982 - 1983 |
590066 - 601253 |
| 1983 - 1984 |
601254 - 612441 |
| 1984 - 1985 |
612442 - 623629 |
| 1985 - 1986 |
623630 - 634817 |
| 1986 - 1987 |
634818 - 646005 |
| 1987 - 1988 |
646006 - 657193 |
| 1988 - 1989 |
657194 - 668381 |
| 1989 - 1990 |
668382 - 679569 |
| 1990 - 1991 |
679570 - 690757 |
| 1991 - 1992 |
690758 - 701945 |
| 1992 - 1993 |
701946 - 713133 |
| 1993 - 1994 |
713134 - 724321 |
| 1994 - 1995 |
724322 - 735499 |
| 1995 - 1996 |
735500 - 752999 |
| 1996 - 1997 |
753000 - 770499 |
| 1997 - 1998 |
770500 - 800000 |
| Super 21 |
| 1994 - 1995 |
731000 - 735499 |
| 1995 - 1996 |
735500 - 736000 |