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Final Drive "Small Spacer" Dimensions

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EugeneFromMichigan
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Joined: Sun Sep 20, 2015 6:36 pm
Zip Code: 48357

Final Drive "Small Spacer" Dimensions

Postby EugeneFromMichigan » Fri Oct 09, 2015 7:48 pm

I'm in the process of rebuilding the right side final drive on my '57 Cub. The casting was cracked at some point in the past and was "fixed" with a rather ugly welding job that I frankly don't trust. So while I wait for delivery of the replacement casting from JP Tractor Salvage I've been taking apart the old one to see what else might need repair or replacing. In the process I discovered there is no "small spacer" on the inside axle, nor any shims, such that the bull gear is free to move .25 inch or so side to side. None of the parts houses seem to carry either this small spacer or shims, but the spacer looks like something I ought to be able to turn out on my lathe. To do so, however, I'd like to have the relevant dimensions, i.e., inside diameter; outside diameter; and thickness. The one or two photos I've seen of this part also suggest it has a taper on one side. Could someone tell me the purpose for this and, in all events, which way the taper should face? Has anyone fabricated one of these small spacers before and, if so, any hints, tricks or suggestions? As for the shims, I have some brass shim stock I was thinking of using, but if anyone has any other ideas I'd love to hear them. Thanks all! This is a great group and the various posts have already helped considerably in other aspects of my restoration!

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Dale Finch
10+ Years
10+ Years
Posts: 6645
Joined: Tue Apr 27, 2010 11:34 am
Zip Code: 27517
Tractors Owned: '51 Cub #140966 "Bruno" with Woods 59 mower
'55 Cub #187541 "Betty" with Fast Hitch
'55 Cub #190482 "Ben" with Woods 42 mower
'55 Cub #191739 "Bertha" with Woods 42 mower
'56 Cub #194370 "Boris" with Mott Flail mower
Circle of Safety: Y
Location: NC, Chapel Hill

Re: Final Drive "Small Spacer" Dimensions

Postby Dale Finch » Fri Oct 09, 2015 10:01 pm

I have LOTS of photos from a few final rebuilds. Unfortunately, I have no measurements, but maybe these few of a right final rebuild will help some:
P2017858.JPG

P2017859.JPG

P2017860.JPG

P2017861.JPG

P2017867.JPG


The tapered side of the spacer/washer faces the bearing, and the smaller surface of the top of that taper rides against the bearing.

You can probably find all those parts either by posting here on the VINE section of the Forum, or contacting some of the sponsors of this Forum like JP Tractor Salvage or TM Tractor Parts (links at the bottom). Good luck!

PS I MAY even have one from a replacement final, but would have to check. I could let you know Saturday or Sunday.
Dale Finch
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Dale Finch
10+ Years
10+ Years
Posts: 6645
Joined: Tue Apr 27, 2010 11:34 am
Zip Code: 27517
Tractors Owned: '51 Cub #140966 "Bruno" with Woods 59 mower
'55 Cub #187541 "Betty" with Fast Hitch
'55 Cub #190482 "Ben" with Woods 42 mower
'55 Cub #191739 "Bertha" with Woods 42 mower
'56 Cub #194370 "Boris" with Mott Flail mower
Circle of Safety: Y
Location: NC, Chapel Hill

Re: Final Drive "Small Spacer" Dimensions

Postby Dale Finch » Sat Oct 10, 2015 9:07 pm

I found the parts to which (I THINK) you were referring. The large beveled spacer and one thin shim. PM me if you are interested.
20151010_214454 (Small).jpg

20151010_214640 (Small).jpg

20151010_214722 (Small).jpg

20151010_214927 (Small).jpg

20151010_214937 (Small).jpg

20151010_215128_001 (Small).jpg
Dale Finch
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Circle of Safety

User avatar
Dale Finch
10+ Years
10+ Years
Posts: 6645
Joined: Tue Apr 27, 2010 11:34 am
Zip Code: 27517
Tractors Owned: '51 Cub #140966 "Bruno" with Woods 59 mower
'55 Cub #187541 "Betty" with Fast Hitch
'55 Cub #190482 "Ben" with Woods 42 mower
'55 Cub #191739 "Bertha" with Woods 42 mower
'56 Cub #194370 "Boris" with Mott Flail mower
Circle of Safety: Y
Location: NC, Chapel Hill

Re: Final Drive "Small Spacer" Dimensions

Postby Dale Finch » Tue Oct 27, 2015 7:42 pm

Still need those spacers? Just asking, because I do have them here at my house.
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