smart thinkin' ...
dats it I bet.

I recall seeing 'single' and 'dual' spelled out on the max load / psi
lettering on the sides of tires.
On 6/11/2014 8:55 AM, Don Hanson 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
>>