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D-14, D-15 1 & 2 granny's?
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Joined: 06 Dec 2014
Location: Eastern Indiana
Points: 541 		Post Options Post Options   Thanks (0) Thanks(0)   Quote only AC orange Quote  Post ReplyReply Direct Link To This Post Topic: D-14, D-15 1 & 2 granny's?
    Posted: 12 hours 9 minutes ago at 7:54am
Is there any difference between D-14, D-15 1, and D-15 2 internals in transmission (gears, shafts, bearings, seals, etc.)? What can be interchanged is the question. Thanks
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 22110 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 10 hours 29 minutes ago at 9:34am
Many part numbers have changed back in the day. The D-15 tractor at s/n 17565 had some changes that prior s/n's didn't have. It appears that if you had a D-14 complete tranny and a D-15 complete tranny, you could interchange a lot of parts just fine. Sometimes when they made a change to a specific gear, you had to change the other gear that mated with it. Gear tooth counts were different so they were in pairs. And who KNOWS what is in either tranny until you tear them down?? Someone may have already been in there before you. There used to be aftermarket 3rd gears available. AGCO wouldn't have much if anything after 60 years.
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Calvin Schmidt View Drop Down
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Joined: 11 Sep 2009
Location: Ontario Can.
Points: 4550 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Calvin Schmidt Quote  Post ReplyReply Direct Link To This Post Posted: 41 minutes ago at 7:22pm
I went through this years ago. D-14 transmission parts often had superseded part numbers to the D-15 number. I just bolted a good D-14 transmission to a D15 diesel with no issues.  
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