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Final Drive Ratios
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cadgent View Drop Down
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Joined: 24 Sep 2009
Points: 138 		Post Options Post Options   Thanks (0) Thanks(0)   Quote cadgent Quote  Post ReplyReply Direct Link To This Post Topic: Final Drive Ratios
    Posted: 28 Aug 2016 at 10:09pm
Does anyone know the difference in the D17 series 4 & 180 Final drive ratios?
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 22087 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 29 Aug 2016 at 6:30am
5.43 to 1 on D-17 and 5.85 to 1 on 175-180-185.
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JC-WI View Drop Down
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Joined: 11 Sep 2009
Location: wisconsin
Points: 34370 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JC-WI Quote  Post ReplyReply Direct Link To This Post Posted: 29 Aug 2016 at 9:18am
I believe the 185 has one tooth less on the pinion to bull gear.
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DrAllis View Drop Down
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Points: 22087 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 29 Aug 2016 at 9:41am
The internal gears don't interchange. The 175-180-185 final drive gears are much wider than a D-17.
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cadgent View Drop Down
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Points: 138 		Post Options Post Options   Thanks (0) Thanks(0)   Quote cadgent Quote  Post ReplyReply Direct Link To This Post Posted: 29 Aug 2016 at 10:12am
Are 170's the same as a D17 IV?
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Gerald J. View Drop Down
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Points: 5636 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Gerald J. Quote  Post ReplyReply Direct Link To This Post Posted: 29 Aug 2016 at 10:17am
Working out the math, 14 tooth pinion to 76 tooth ring gear is 5.428571:1 close to 5.43. 13 tooth pinion to 76 tooth ring gear is 5.846154:1 close to 5.85.

Gerald J.
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