[AT] Ford and Ferguson overdrive speeds

[Steve W.]

Indiana Robinson wrote:
> Can anyone tell or point me to a chart of the ground speeds of a Ford
> 9N a Ford 8N and a Ferguson TO series tractor with a Sherman
> over-drive installed? How about the Hupp units? Our TO-20 had a Hupp
> over/std/under-drive. It really seemed like flight speeds in road gear
> to me as a kid.
> -
> On a side note our Hupp was defective. It kept eating clutches, the
> fingers not the disk. The dealer worked on it several times. It went
> back to the factory once and finally ended up in our storage loft
> after its sixth clutch. The dealers shop foreman came and wanted to
> buy it to install in someone else's Fergie to see it it was really the
> unit.Sometime later we saw him and asked how it did. He shook his head
> and said "It ate the new clutch". They sold a herd of those around
> here and that was the only one we ever heard of that ate clutch
> fingers. It always had free travel and we never "rode" our clutches.
> When you would open it up the fingers were burnt and so was the
> throw-out bearing... I assume that the mounts were off somewhere but
> it always seemed to be working OK and shifted well until the clutch
> started growling when you pushed it down. They even tried two
> different pressure plate assemblies. ???
> 
> 

Should be able to find that info here.

http://home.att.net/~jmsmith45/sherman.htm

-- 
Steve W.