[johndeereelfman]

Here are the serial number breakdowns for the 300 serial tractors.

300 Serial Numbers:

1975 = 30,001 - 55,000 (16hp Kohler Engines)

1976 = 55,001 - 70,000 (16hp Kohler Engines)

1977 = 70,001 - 80,000 (16hp Kohler Engines)

312 Serial Numbers:

1977 = 70,001 - 80,000 (12hp Kohler Engines)

1978 = 80,001 - 95,000 (12hp Kohler Engines)

314 Serial Numbers:

1979 =   95,001 - 120,000 (14hp Kohler Engines)

1980 = 120,001 - 155,000 (14hp Kohler Engines)

1981 = 155,001 - 190,000 (14hp Kohler Engines)

1982 = 190,001 - 222,000 (14hp Kohler Engines)

1983 = 222,001 - 285,000 (14hp Kohler Engines)

316 Serial Numbers:

1978 =   80,001 -   95,000 (16hp Kohler Engines)

1984 = 285,001 - 315,000 (16hp Onan Engines)

1985 = 315,001 - 360,000 (16hp Onan Engines)

1986 = 360,001 - 420,000 (16hp Onan Engines)

1987 = 420,001 - 475,000 (18hp Onan Engines)

1988 = 475,001 - 595,000 (18hp Onan Engines)

1989 = 595,001 - 999,000 (18hp Onan Engines)

1990 = 010,001 - 100,000 (18hp Onan Engines)

1991 = 100,001 - 110,000 (18hp Onan Engines)

1992 = 110,001 - 120,000 (18hp Onan Engines)

317 Serial Numbers:

1979 =   95,001 - 120,000 (17hp Kohler Engines)

1980 = 120,001 - 155,000 (17hp Kohler Engines)

1981 = 155,001 - 190,000 (17hp Kohler Engines)

1982 = 190,001 - 222,000 (17hp Kohler Engines)

318 Serial Numbers:

1983 = 222,001 - 285,000 (18hp Onan Engines)

1984 = 285,001 - 315,000 (18hp Onan Engines)

1985 = 315,001 - 360,000 (18hp Onan Engines)

1986 = 360,001 - 420,000 (18hp Onan Engines)

1987 = 420,001 - 475,000 (18hp Onan Engines)

1988 = 475,001 - 595,000 (18hp Onan Engines)

1989 = 595,001 - 999,000 (18hp Onan Engines)

1990 = 010,001 - 100,000 (18hp Onan Engines)

1991 = 100,001 - 110,000 (18hp Onan Engines)

1992 = 110,001 - 120,000 (18hp Onan Engines)

322 Serial Numbers:

1988 = 475,001 - 595,000 (18hp Gas Yanmar Engines)

1989 = 595,001 - 999,000 (18hp Gas Yanmar Engines)

1990 = 010,001 - 100,000 (18hp Gas Yanmar Engines)

1991 = 100,001 - 110,000 (18hp Gas Yanmar Engines)

1992 = 110,001 - 120,000 (18hp Gas Yanmar Engines)

330 Serial Numbers:

1986 = 360,001 - 420,000 (16hp Diesel Yanmar Engines)

332 Serial Numbers:

1987 = 420,001 - 475,000 (16hp Diesel Yanmar Engines)

1988 = 475,001 - 595,000 (16hp Diesel Yanmar Engines)

1989 = 595,001 - 999,000 (16hp Diesel Yanmar Engines)

1990 = 010,001 - 100,000 (16hp Diesel Yanmar Engines)

1991 = 100,001 - 110,000 (16hp Diesel Yanmar Engines)

1992 = 110,001 - 120,000 (16hp Diesel Yanmar Engines)