The 320 is basically the same tractor as the 40. jd replaced the 40 with the 420, roughly 20% more HP than the 40. But had enough call for the smaller size, they came out with the 320!
The 1010 was built from 1960-65 36 HP, 4 cylinder, part of John Deere's "New Generation" series.
The 1010 was built from 1960-65 36 HP, 4 cylinder, part of John Deere's "New Generation" series.