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Discussion Starter · #1 ·
At work today we put tires on a 2x4 dually seemed to be of the mid 80's vintage. I thought they only had 14 bolts, but this one had a D70. I know for a fact it wasn't a 14 bolt, and it was way too big to be a D60 (besides, the "70" cast into the housing was a clue)

Anyway, just curious what the deal is. Anyone know years/models these went in...?
 

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I believe most of the 73 up body style dualies had the 70 in them. The new ones I have seen both. Cab and chassis trucks came with anarrow 14 bolt.
 

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odee got it.

Always seemed odd to me they would use a different axle, even when there are at least three different widths of 14 Bolt. <IMG SRC="smilies/confused.gif" border="0">

Maybe a Spicer fan was in charge of "body" dually production?
 

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77 up dually pickups and crew cabs got the 70 axle
very common

good luck
 

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Yep, my '85 has one.
 
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