On a Zetor 6211 I have, a few months back a younger sibling was reversing heavy loads in a high gear hanging the clutch, causing a burning smell for a bit. The clutch seems to still work ok. However I notice that when I take the tractor out of gear, not touching the brakes and take my foot off the clutch, it moves forward by about an inch or two just very slightly. Is this maybe a clutch issue? Gera transmission etc is fine.