Cross reference the serial numbers and year of manufacture for the TE-20, TO-20 and TO30 tractors. Model variants are listed here and fluid capacities here.

TE20 manufactured by Standard Motor Company, England

1946 1-315

1947 316-20894

1948 20895-77772

1949 77773-116461

1950 116462-167836

1951 167837-241335

1952 241336-310779

1953 310780-367998

1954 367999-428092

4955 428093-488578

1956 488579-517651


TO20 and TO30, manufactured in Detroit.

1948 1-1807
1949 1808-14659
1950 14660-39162
1951 39163-72679
1952 72680-108644
1953 108645-125928
1954 125929-140000

TO30 production started in August 1951 at serial number 60001.
This chart cross references TO-30 engine numbers with serial numbers