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Allis-Chalmers

Serial Number Reference

1910's

Early serial numbers are the ending number for each year
Model 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919
10-18 - - - - Began ? ? ? ? qty 71
6-12 - - - - - - - - - qty 303
E 18-30
& 20-35
- - - - - - - - 5000 to
5005
5160

1920's

Model 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929
10-18 qty 31 qty 45 qty 38 qty 4 - - - - - -
6-12 qty 467 qty 72 qty 249 qty 211 qty 99 qty 62 qty 8 - - -
E 18-30
& 20-35
6014 6160 none 6396 6754 7368 8069 9869 16761 23251
L 15-25 - 20001 to
20334
20497 20905 20995 21370 21681 21705 75215 91533
U 19-30 - - - - - - - - - 1974

1930's

Model 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939
E 20-35 24185 - - - - - - - - -
E 25-40 24186 to
24842
24971 25023 25061 25308 25581 25611 - - -
U 19-30 6553 7261 7418 7684 8062 9470 ? 14854 15546 16077
WC - - - 28 3126 13869 31783 60789 75215 91533
RC - - - - - - - - - 4391
A - - - - - * 25725 26304 26613 26781
B - - - - - - - 96 11799 33501
* Model A Production started at 25701 in 1936

1940's

Model 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949
U 19-30 16721 17136 17469 17801 17819 18324 20773 21021 22127 23028
WC 103516 114533 123170 127641 134623 148090 152844 170173 178202 -
RC 5416 5504 - - - - - - - -
A 26895 26914 26925 - - - - - - -
B 49720 56781 61400 65501 70209 72264 73369 80555 92294 102392
C 111 12388 18781 23907 30694 36377 39617 51514 68280 80517
WD - - - - - - - - 9249 35444
G - - - - - - - - 10960 23179

1950's

Model 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959
U 19-30 ? 22823 20586-20748
22824-23056
- - - - - -
B 114526 118673 122309 124201 124710 126496 127185 - - -
C 84030 - - - - - - - - -
WD 72327 105181 126981 131242 160384 - - - - -
WD45 - - ** 160385 190992 217991 230294 236958 - -
G 24005 25268 26496 28035 29035 29036+ - - - -
CA 321 10538 22180 31423 32906 37202 38617 38618+ - -
Serial numbers from here on are the beggining number for each year
D-10 - - - - - - - - - 1001
D-12 - - - - - - - - - 1001
D-14 - - - - - - - 1001 9400 14900
D-17 - - - - - - - - 4300 16500
** WD-45 production began at 146607 in 1953

1960's

Model 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969
D-10 1950 2801 4511 6801 7675 8204 9486 9795 - -
D-12 1950 2801 3638 5501 6012 9192 9508 9830 - -
D-14 21800 - - - - - - - - -
D-15 1001 1900 6470 13001 16928 19681 21375 23734 - -
D-17 28200 33100 38070 65001 70611 77090 80533 86061 - -
D-19 - 1001 1250 12001 - - - - - -
D-21 - - - 1001 1417 2079 2408 2863 3777 4498
180 - - - - - - - - 2682 6094
190 - - - - 1001 2485 8219 13273 23234 23234
190XT - - - - 1001 2485 8210 13273 19262 23234

1970's

Model 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979
180 9235 10561 11729 12447 - - - - - -
185 1001 1952 2935 3763 4961 6542 8292 10003 11631 13160
190 25901 29136 31118 - - - - - - -
190XT 25901 29136 - - - - - - - -
200 - - 1001 3344 6294 9250 - - - -
210 1001 1107 2082 2469 - - - - - -
220 1938 2451 2626 2860 - - - - - -
7000 - - - - - 1001 1645 5037 6373 8963
7020 - - - - - - - - 1373 2732
7030 - - - - 2576 - - - - -
7040 - - - - - 1303 4089 6839 - -
7045 - - - - - - - - 1234 2152
7050 - - - - 1688 - - - - -
7060 - - - - - 1299 2741 4580 6001 6789
7080 - - - - - 1007 1572 2051 3001 3268

1980's

Model 1980 1981 1982 1983 1984
185 14672 15648 - - -
7010 1925 2806 - - -
7020 3842 4710 - - -
7045 3399 4225 - - -
7060 7693 8442 - - -
7080 3648 3954 - - -
8010 - - 1001 1712 2266
8030 - - 1001 2093 2701
8050 - - 1001 1924 2596
8070 - - 1001 1430 2090

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