What year is a Massey Ferguson madel mf to35 serial number sgm 171309?

The Massey Ferguson model MF TO-35 with the serial number SGM 171309 was likely manufactured in 1961. The TO-35 series was produced from 1957 to the mid-1960s, and serial numbers can help pinpoint the exact year of production. For precise verification, consulting a Massey Ferguson serial number guide or a tractor expert would be beneficial.