With the serial number that you have supplied,your Marlin(Glenfield) rifle was made in the year 1980.
your marlin/glenfield was made in 1974.
With the serial number that you have supplied,your Glenfield rifle was made in the year 1973.
Your serial number indicates that your Glenfield model 25 was made in the year 1976.
Your Glenfield model 60 was produced in 1989.
1975
1975
1979.
With the serial number that you supplied,your Glenfield model 60 rifle was made in the year 1978.
With the serial number that you have provided,your Glenfield model 60 rifle was made in the year 1976.
Your serial number indicates that your Marlin model 25 was made in the year 1973.
Your serial number indicates that your Glenfield model 20 bolt action was made in the year 1980.
The Glenfield Marlin 30-30 with the serial number 89 89484 was likely manufactured in the year 1989. Marlin Firearms typically used a system where the first two digits of the serial number indicate the year of production. Therefore, the "89" at the beginning of the serial number suggests it was produced in that year.