Years	Model	Prefix letters	Serial Number Series
Farmall H
1939	Farmall H	FBH	501 - 10652
1940	Farmall H	FBH	10653 - 52386
1941	Farmall H	FBH	52387 - 93236
1942	Farmall H	FBH	93237 - 122589
1943	Farmall H	FBH	122590 - 150250
1944	Farmall H	FBH	150251 - 186122
1945	Farmall H	FBH	186123 - 214819
1946	Farmall H	FBH	214820 - 241142
1947	Farmall H	FBH	241143 - 268990
1948	Farmall H	FBH	268991 - 300875
1949	Farmall H	FBH	300876 - 327974
1950	Farmall H	FBH	327975 - 351922
1951	Farmall H	FBH	351923 - 375860
1952	Farmall H	FBH	375861 - 390499
1953	Farmall H	FBH	390500 - 391730