Specialty Tires of America
STA Super Lug M/S
Size 9.00 X 16
Load Range D,8 Ply rating (4 ply nylon side wall, 4 ply nylon tread)
Tubeless
Product Code LT28E
Tread Depth 21/32
Section Width 10.38
Rim 6.50
Overall Dia 36.3
Maximum Load 2665 (D), 3030 (S) at max inflation of 50psi
Weight 58lbs
Tube Type
Product Code LT286
Same specifications as the above according to STA.
The lowest current speed rating for a passenger/light truck tire that is DOT certified for highway use is Q (not always marked on a tire since it is the default rating) and is 99mph. If the rating is not published by the manufacturer (as is the case when looking at STA's website, you can either look on the inside sidewall for the speed rating (ranging from A1 at 3mph to (Y) for 186+ mph).
I'm at a conference and do not have access to my TRA Yearbooks, when I get home, I can give you the breakdown of minimum speed ratings by use class...