- Serial Number List
- - Farmall Works
- 1926-1944: Tractors, Engines (by model)
- - Serial Number Prefix Letters, undated
- - Suffix Letter Code -- Tractors, Dec. 21, 1944
- - Engine and Chassis, Jan. 19, 1942
- - Engine and Chassis, Feb. 3, 1942
- - Farmall H, 4 and 6, 1942, August 4, 1942, page 1
- - Farmall H, 4 and 6, 1942, August 4, 1942, page 2
- - Farmall Tractors, 1924-1928
- - Farmall Tractors, 1929-1932
- - Farmall (Regular) - Rebuilt (Argentine), Sept. 20, 1934
- - F-20 Farmall, 1932-1939
- - F-20 Farmall, Jan. 4, 1934
- - F-20 Farmall, Jan. 8, 1934
- - F-20 Farmall, Jan. 10, 1934
- - F-20 and F-30 Farmall, Jan. 2, 1934
- - F-30 Farmall, 1931-1936
- - F-30 Farmall, 1936-1939
- - Farmall H, 1939-1944
- - Farmall HV, July 16, 1942
- - Farmall M, MD, MV, MDV, 1939-1944
- - Farmall M Engines, 1942-1944
- - Farmall MV, July 17, 1942
- - 4 Series Tractors, 1940-1941
- - 4 Series Tractor Engines, 1942-1944
- - W-4, O-4, I-4 Tractors, 1940-1944
- - 6 Series Tractors, 1940-1941
- - 6 Series Tractor Engines, 1942-1944
- - WD-6 Tractor, 1940-1944
- - I-6 and ID-6, Aug. 27, 1941
- - IU-6 Engine, July 23, 1941
- - IUD-6 Transmission, 1941
- - IUD-6 Over Axle Unit, 1941
- - T-6, 1942-1943
- - O-6, January 31, 1944
- - Harvester-Thresher Engines, 1934
- - Harvester-Thresher Engines, 1937
- - Harvester-Thresher Engines, 1937-1938
- 1944-1971: Tractors, Transmission Units, Engines (by year)
- - 1944
- - 1945
- - 1946
- - 1947
- - 1948
- - 1949
- - 1950
- - 1951
- - 1952
- - 1952: Engines, Mar. 31
- - 1953: Engine
- - 1953: Chassis
- - 1954: Engine
- - 1954: Chassis
- - 1955
- - 1956: Monthly Serial Number Report Format Change, June 21
- - 1955-1956
- - 1956-1957
- - 1957-1958
- - 1958, June-Oct.
- - 1958-1959
- - 1959-1960
- - 1959-1962
- - 1960-1962
- - 1963-1964, Sept.
- - 1963-1964, Nov.
- - 1963-1964, Dec.
- - 1963-1965, Jan.
- - 1963-1965, Mar.
- - 1963-1965, April
- - 1963-1965, May
- - 1963-1965, June
- - 1963-1965, July
- - 1965-1966
- - 1967-1968
- - 1968-1969, page one
- - 1968-1969, page two
- - 1970-1971, page one
- - 1970-1971, page two