Will a 4000 SOS work in a 3000?

No. The output ratios between the two are vastly different. Because a 3000 does not have final drives in the rear, an extra planetary reduction is needed at the back of the trans. Of course, you could always put it in anyways and do some drag racing with it.
 
Ultra, I have two real good SOS Trans, with nothing to put them in. Very reasonable. And Bern was spot on, won't work. Besides not having the rear planetary, the 4000 has slightly different lengths on the output shaft and traction disconnect.
 
Dogman-
I recently came across several boxes of old dealership literature and found a bunch of stuff on the Thousand Series models. I can email you some I've scanned. They are the technical data and spec sheets for the 2000, 3000, and 4000. One sheet has all the Thousand Series Models, 2000 -thru 8000, with most all the specs for each listed. No transmission data is listed as every model had options. From the data sheets, the 10-Speed power Shift Select-O-Speed was an optional transmission on both the 3000 and the 4000. the 3000 engines,(diesel or gas) were smaller than the 4000 diesel or gas. I don't know for sure, but seems the trannys are the same and should interchange but, I don't know, never had a Thousand Series though I want a 4000. I will ask a few S-O-S guys around here and meantime maybe someone here can answer that better than I. Watch your IN-BOX for the YT message, then we can talk direct without their linkage.

Tim Daley(MI)
 
(quoted from post at 09:32:56 07/26/18) Dogman-
I don't know for sure, but seems the trannys are the same and should interchange but, I don't know, never had a Thousand Series though I want a 4000. I will ask a few S-O-S guys around here and meantime maybe someone here can answer that better than I. Watch your IN-BOX for the YT message, then we can talk direct without their linkage.

Tim Daley(MI)

I think someone here already did answer better than you. did you read the responses to Ultra's question?

The answer is a definite no! 3000 and 4000 transmissions do not interchange. Their D planetary systems are not identical yielding different output shaft speeds.
 
About 5 minutes of time spent in the parts book should convince you of the major differences between a 3000 and a 4000 SOS transmission. Suggest you look in the area of the output shaft.
 
(quoted from post at 08:00:52 07/26/18)
(quoted from post at 09:32:56 07/26/18) Dogman-
I don't know for sure, but seems the trannys are the same and should interchange but, I don't know, never had a Thousand Series though I want a 4000. I will ask a few S-O-S guys around here and meantime maybe someone here can answer that better than I. Watch your IN-BOX for the YT message, then we can talk direct without their linkage.

Tim Daley(MI)

I think someone here already did answer better than you. did you read the responses to Ultra's question?

Larry, many guys don't even read the whole original post before they answer. Think how this would look if a bunch of guys were sitting around talking. You would think that the poor guy has dementia, LOL.

The answer is a definite no! 3000 and 4000 transmissions do not interchange. Their D planetary systems are not identical yielding different output shaft speeds.
 
I'm hoping to have one for sale myself one of these days. Just wondered if mine would fit a 3000 too.
I think I made the deal on this handle and linkages today.
a274871.jpg
 
If you are talking to me, read my reply again, as I said I wasn't sure, that the 10-Speed Power Shift Select-O-Speed tranny was an option on both models, and they each have different size engines, and that I don't have a Thousand Series model. If I had or access to an I&T F-031 manual, I would have checked further. If your reply was not directed to me, pardon me.


Tim Daley(MI)
 
(quoted from post at 07:34:06 07/27/18) If you are talking to me, read my reply again, as I said I wasn't sure, that the 10-Speed Power Shift Select-O-Speed tranny was an option on both models, and they each have different size engines, and that I don't have a Thousand Series model. If I had or access to an I&T F-031 manual, I would have checked further. If your reply was not directed to me, pardon me.


Tim Daley(MI)

I assume that you are replying to Larry. He was pointing out that the original question had already been answered when you made your post where you said "maybe someone here can answer that better than I".
 
(quoted from post at 09:32:56 07/26/18 ) I don't know for sure, but seems the trannys are the same and should interchange but, I don't know, never had a Thousand Series though I want a 4000.
Tim Daley(MI)

I think you need to read your reply again. You stated the above after several who did know said it wasn't a fit. What sense does this make in light of those earlier replies???

Bern is suggesting exactly what I did. Spend 5 minutes with the New Holland parts book or website and you'll plainly see the difference in the two transmissions.
 
My reply was in fact directed at you. It wasn't intended to be condescending or mean, I was merely suggesting that the answers to your questions could be very easily found in the parts book.
 

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