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1917 Passenger Front plate. These became slotted in 1914 after customers' complaints that the plates blocked the airflow to the radiators, causing overheating of the engines. |
1917 Passenger Rear plate |
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1920 Passenger |
1921 Passenger |
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1923 Passenger |
1926 Passenger |
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1927 Passenger |
1928 Passenger |
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1931 Passenger |
1932 Passenger |
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1939 Passenger |
1940 Passenger |
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1941 Passenger |
1942 Passenger |
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1943 Passenger First of six soybeans issues (non-metal) |
1943 Passenger Made of Soybeans |
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1944 Passenger Made of Soybeans |
1945 Passenger Made of Soybeans |
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1945 Passenger Made of Soyboard |
1946 Passenger Made of Soybeans |
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1947 Passenger Made of Soybeans |
1947 Passenger Made of Soyboard |
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1948 Passenger Made of Soyboard |
1949 Passenger |
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1949 Passenger |
1949 Passenger (7 digit serials are longer plates) |
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1950 Passenger |
1951 Passenger |
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1952 Passenger |
1953 Passenger |
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1954 Passenger |
1955 Passenger |
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1956 Passenger |
1957 Passenger |
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1958 Passenger |
1959 Passenger |
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1960 Passenger |
1961 Passenger |
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1962 Passenger |
1963 Passenger |
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1964 Passenger |
1965 Passenger |
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1966 Passenger |
1967 Passenger |
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1968 Passenger |
1968 Passenger |
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1969 Passenger |
1970 Passenger |
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1971 Passenger |
1972 Passenger |
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1973 Passenger |
1974 Passenger |
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1975 Passenger The colors of these plates honored the Caterpillar Tractor Coy on their 75th anniversary in Illinois. |
1976 Passenger |
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1977 Passenger |
1978 Passenger |
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1983-2000 Passenger Same base plate throughout the years, only the serial format changed. |
1983-2000 Passenger |
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2001-Current Passenger |
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