http://www.tirerack.com/tires/tires.jsp?tireMake=Michelin&tireModel=Defender

I do not see XL in the size or description for any size.

---- Loren Busch <starwagen@GMAIL.COM> wrote: 
> ​ Jeff, the problem with sidewall cracking on the Defenders may be from
> either of two causes.  First, under inflation.  But if I recall the
> Defender is NOT rated for the load of a Vanagon, the same problem that
> occurred when people were putting on he Michelin Hydroedge tires.

--
David McNeely