Tires and Treads header
Sumitomo History
Sumitomo traces their founding back to 1615, but of course it was not until much later that tires became part of the game. Copper, smelting, and smithing were big business until the turn of the last century for them.
Their Diamond logo is meant to represent a fram set upon a well.
Sumitomo tires
Headlines
UTQG Tire ratings
Tire Line Construction Size Traction Rating Temp Rating Wear Rating
HTR A/S P01 Radial 60, 65 Series A A 360
HTR A/S P01 Radial 40, 45, 50, 55 Series AA A 360
HTRZ? Radial ALL AA A 300
HTR35Z Radial ALL A A 160
HTR40Z Radial ALL A A 160
HTR45Z Radial ALL A A 160
HTR50Z Radial ALL A A 160
HTR55Z Radial ALL A A 160
HTR60H Radial ALL A A 260
HTR60V Radial ALL A A 160
HTR65H Radial ALL A A 220
MYU-01 Radial ALL B B 300
SC617 Radial ALL A B 200
SC673 Radial ALL A B 200
SC890 Radial P185/75R14 89S A B 440
SC890 Radial P195/75R14 92S A B 440
SC890 Radial P205/75R14 95S A B 440
SC890 Radial P205/70R14 93S A B 500
SC890 Radial P205/70R15 95S A B 500
SC890 Radial P215/70R15 97S A B 500
SC890 Radial P205/75R15 97S A B 500
SC890 Radial P215/75R15 100S A B 500
SC890 Radial P225/75R15 102S A B 500
SC890 Radial P235/75R15 105S A B 500
SL850 Radial ALL B C 300
TOURING LSV Radial ALL A A 520
TOURING LSH Radial ALL A A 520
TOURING LST Radial ALL A B 640