Get 'em while you can, I suppose

I ran across these two orphans on CL but got sidetracked by Hurricane Florence for a couple of weeks. Was kinda surprised when the guy said he still had them when I got back in touch with him. Finally made the trip to at least look at them in person over the weekend. The plastic wrapped one is a C3NN-7006-B casting DDC with the tag showing it was rebuilt in 2011. Coincidentally it is yellow just like my ex-DOT tractor. The red one is somewhat of a mystery. The shifter has the hashmarks but the inching petal is smaller than the busted off yellow one that is the same as the one on my tractor. Plus the casting numbers are missing. I reckon I now have 3 to make 1 with spares for the future.

Any ideas on the red one's missing casting and short petal?
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One other question - are the SOS rearends different from 4 and 5 speed rearends? Just curious as to whether I should consider buying the rearend that the red trans was bolted to. It had hydraulic top cover removed and no PTO shaft but the cover was there beside it. Did not notice the PTO shaft laying around.
 
(quoted from post at 21:13:46 10/03/18) One other question - are the SOS rearends different from 4 and 5 speed rearends? Just curious as to whether I should consider buying the rearend that the red trans was bolted to. It had hydraulic top cover removed and no PTO shaft but the cover was there beside it. Did not notice the PTO shaft laying around.

I'm not sure on the pre-65 four cylinder models, but on the 65+ 3 cylinder models the S-O-S tractors had a different ratio in the differential than th emanual trans models.
 
Ahh - that makes sense, my 63 SOS does not have the hash marks and, since it is the only one I have ever seen, I always wondered about that. So the hashmarks signify the freewheeling gears.
 
I just sold an 801 that originally had an SOS. It seemed normal to me with a four speed.
Ron
 
Wow!

Nice find.

Where would one find a recently rebuilt SOS, DDC or otherwise?

Dean
 
(quoted from post at 22:51:58 10/03/18) So the hashmarks signify the freewheeling gears.

The hash marks signify some of the freewheeling gears. Apparently ford did not think the others were that significant. R1, 1 & 2 are also freewheeling.

The small inching pedal was the original. The larger pedal came out the with the blue transmission.

If you've got a properly rebuilt C3NN, you've got a very good thing!
 
I am hoping it is a rebuild and not just a pulled out/steam cleaned/shipped unit. It looks too clean to be a pull out and the top cover is missing but I can feel the valve block under the plastic. With the broken inching pedal shaft I will have to tear into it to get that changed out but hopefully it will be a bolt it in, fill it up, and go deal once I get the motor figured out. If it is completely functional it will mean that I will finally get to enjoy an SOS that is not missing gears and will actually move in a controlled fashion in reverse when you let off the inching pedal.

Wonder if I started a GoFundMe page to help afford a Jackson power steering system for this so my dear old Dad could use it if anybody would donate to help me fuel my dysfunction?
 
While the '65-up models used different rear end
ratios for the SOS and stick transmissions, AFAIK,
the pre-'65 models used the same rear end ratios,
regardless of which transmission they had.
 
(quoted from post at 20:34:02 10/03/18) Hash marks on shifter is for ORC trans. Casting # ground off may be converted to DDC

What needs to be done to the case to convert a ORC trans to DDC

I have a C3NN DDC trans but the case is broke, I'd like to convert my 881's ORC trans to DDC but would like to keep the original case so that it matches the original paint of the rest of the tractor.
 
I would get that rear section too. Some of the early 01 models as well as all the 00 models have the left brake crossover shaft that runs through the transmission right behind the clutch shaft. The sos needs the newer one that the brakeshaft crosses under the rear housing. Do these still have the original tractor model number stamped in them?
 
I will have to check the model number stamps on these. The red one has a slope top control valve cover like my 63 so it may be a DDC conversion after all. I had
to shuffle them out to storage due to lack of room in my already overcrowded shop and the fact that my tractor isn't running so I have no lift capability and
they are heavy. One thing I did notice is that the rebuilt C3NN has a bottom drain plug but I did not see one on the red trans which would follow if it is an
early ORC case since it also has the short inching pedal.
 

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