Resend:Truck Rear Ends

[andy quaas]

They have been using the 14-bolt GM corporate rear-axle since like
1972 or so.  It came in 3 versions that i know of... a 9.5" semi-float
(no hub protruding from center of wheel), a 10.5" full-float (11"
drums), and a 10.5" full-float (13" drums).  They used the
full-floater in most 3/4 tons from 73 to 80.  They then started using
the semi-floater in the lighter 3/4 tons.  Now they use this
semi-float in anything from a light 3/4 ton to a 1-ton.  You just have
to look at what you find.  If its fro mthe 70s, its prolly the
full-floater.  If 85+, you'll just have to look.  There is also a
version of the 14-bolt semi-floater that has a new 1/2 ton, 6-lug bolt
pattern.  If you have any questions, jsut ask.

Andy Q



---Jon <Galadar at worldnet.att.net> wrote:
>
> 
> -----Original Message-----
> From: Gwyn Reedy <mgr at mgrcorp.com>
> To: Sixties Truck List <sixtiestrucks-l at chevytrucks.org>; DIY-EFI List
> <diy_efi at efi332.eng.ohio-state.edu>; Diesel Page List
> <diesel at dfw-webmasters.com>; CK Series List <ckseries at f-body.org>;
Antique
> Tractor List <antique-tractor at atis.net>
> Date: Saturday, December 05, 1998 5:42 PM
> Subject: Resend:Truck Rear Ends
> 
> 
> <Snip>
> 
> 
> >I was looking for a one ton rear end for a project truck. Found one
with a
> >3.73 ratio, which was what I wanted. Only then did I realize it did
not
> have
> >full floating axles, but has the bearings riding on the axle shaft
itself.
> >The seller said most of the 1 ton and smaller rears have been that
way for
> >10 years. Since then I eyeball every truck I see on the road, and
some have
> >full floating axles, most do not. Thus my interest in what rear end
is
> what.
> >
> >Separate but related issue: With the weight bearing axle type of
rear end,
> >when the axle surface becomes worn, is there commonly available a
> resurfaced
> >axle or do you just put in a new axle?
> >
> <Snip>
> 
>     My experience has only been on 1/2 and 3/4 ton stuff, but they
all use
> bearing-on-axle type setup. When (not if) the bearing goes out, it
takes the
> axle out with it (leaves deep groove). There are special offset
bearings
> available at a cheaper cost than a new axle and bearing. I have had
good
> luck with them. HTH
> Jon
> 
> 
> 

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