Thanks Don, and all others who replied to my query.  That is the same response I got from a tire dealership.  mcneely

---- Don Hanson <dhanson928@gmail.com> wrote:
> S ingle and D ual...for trucks, most likely.
>
>
> On Wed, Jun 11, 2014 at 11:45 AM, Dave Mcneely <mcneely4@cox.net> wrote:
>
> > I am getting information together for selecting new tires for my
> > Volkswagen Vanagon GL Campmobile, 2.1 waterboxer, manual transmission.  It
> > is tan, Scott.
> >
> > I am not intending to start a tire thread.  I have a single question.  In
> > reviewing load data for several different tires, I see two different values
> > given for the same tire.   The maximum load may be given as Load Range
> > 106/104 followed by something like S65 psi 2094 lbs and D65psi 1994 lbs.
> >
> > What do the S and D terms mean (I know psi of course) and why the two
> > different load index values and two different maximum loads given for the
> > same tire?  I reviewed tire specification descriptions on TireRack.com and
> > on USDOT web pages and found descriptions of load index and maximum load,
> > but nothing about the S and D or different loads for the same tire.
> >
> > David McNeely
> >

--
David McNeely