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4th Gear in a 180
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KevinON View Drop Down
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Joined: 07 Dec 2009
Location: Schomberg, ON
Points: 800 		Post Options Post Options   Thanks (0) Thanks(0)   Quote KevinON Quote  Post ReplyReply Direct Link To This Post Topic: 4th Gear in a 180
    Posted: 8 hours 11 minutes ago at 7:21am
Just wondering if anyone could tell me what the tooth count should be on 4th gear (input shaft) on a 180/185?  I have two transmissions, and one gear has 36 teeth and the other gear has 42 teeth.  Thanks.
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tbran View Drop Down
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Joined: 14 Sep 2009
Location: Paris Tn
Points: 3483 		Post Options Post Options   Thanks (0) Thanks(0)   Quote tbran Quote  Post ReplyReply Direct Link To This Post Posted: 4 hours 59 minutes ago at 10:33am
70256571   19 tooth with 15 coupling teeth.   The only one I know of on a 180
70245780 20 tooth 20 coupling - first 190
70245722  19 tooth
70246407 19 with 12 coupling
look on the input gear to see if there is a snap ring groove cut in - if so it is a D series. 


Edited by tbran - 4 hours 53 minutes ago at 10:39am
When told "it's not the money,it's the principle", remember, it's always the money..
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 21409 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 4 hours 1 minutes ago at 11:31am
If you have 36 and 42 teeth on the input shaft to the transmission (direct drive/4th gear) it is custom made. They are usually two parts: a gear (36 or 42) and an input shaft with splines and a snap ring groove to hold on the gear on those splines. A gear that large will not fit thru the input shaft bearing hole in the trans case. A gear that large is assembled from the rear being slid onto the input shaft while the shaft is being installed into the trans case from the front.
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