Hello Gary,
The final drive should just slide of once you've unbolted it, from memory it's just the ring of bolts around the casing and the clamp on the track frame pivot shaft to undo after you've taken the fender off, the brake drum comes of with the final drive, the only problem you might encounter is if the clutch discs have rusted in the drum, then it can be very difficult to remove the final drive, some people have broken the brake drum forcing it off, when you've got the final drive off you will need to pull the clutch pack, I have used a ten ton ram in the past to pull it, make sure you leave the centre bolt still in just loosen it a few turns or the hole lot might fly across the workshop it's on a taper.
As for the reason you lost drive it could be the clutch pack worn out, but around twenty plus years ago I bought a D2 that had lost dive on one track and found the shaft through the steering clutches had sheared,
I fixed it and still have the tractor today.
How many years have you been in NZ now ?
Shovel man
Thanks guys, will try pulling the casing off this weekend and see what that reveals. More questions coming soon no doubt
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