International Hydro100 - International Hydro86

International Hydro 100	International Hydro 186	International Hydro 70
International Hydro 84	International Hydro 86
Except where indicated, serial # name plate is found on left or right side of transmission housing or clutch housing. Serial number listed is the beginning one for that year.

International Hydro 100 Serial Number plate located on left side of clutch housing. 1973…………………… 7501 1974…………………… 7727 1975…………………… 10915 1976…………………… 12434	International Hydro 186 Serial Number plate located on left side of clutch housing. 1976…………………… 8601 1977…………………… 8813 1978…………………… 9806 1979…………………… 10626 1980…………………… 11465 1981…………………… 12279	International Hydro 70 Serial Number plate located on left side of clutch housing. 1973…………………… 7501 1974…………………… 7570 1975…………………… 8681 1976…………………… 10094
International Hydro 84 Serial Number plate located on left side of clutch housing. 1978…………………… 501 1979…………………… 787 1980…………………… 1481 1981…………………… 5564 1982…………………… 6014 1983…………………… 6464 1984…………………… 8259 1985…………………… 9504	International Hydro 86 Serial Number plate located on left side of clutch housing. 1976…………………… 7501 1977…………………… 7608 1978…………………… 8171 1979…………………… 8661 1980…………………… 9114 1981…………………… 9667