What year is your john deere model 316 tractor the serial is 03160091020m?

The JOHN DEERe model 316 tractor with the serial number 03160091020M was manufactured in 1983. John Deere's serial numbers often indicate the production year, and the "316" model was produced from 1978 to 1989, with your specific serial number falling within the 1983 production range.