9.75 HD vs 9.75 diff.
Thread Starter
Member
Joined: Apr 2016
Posts: 65
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From: 30 miles north of Montreal, qc
I was sure that question would be hard to have answers. It is like the axel thickness is it really 1/4 in. instead of 3/16 in (regular) on the hdpp to support more weight ? I'Ve search on some Fords specs but could not find anything. Thank you all.
5 Year Member
Joined: Feb 2012
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Now Im confused. My 2014 did not have a tow package, let alone a max tow package and had a 7100# GVWR rating, BUT it had a 4050 GAWR for the 9.75 with 3.15 gears. So where does the extra 600# come from?