Decoding all that information on the sidewall

 

Key Description

A

YOKOHAMA A509
Manufacturers or brand name, and commercial name or identity

B, J
185-65 HR13, 185-65 HR13 Tubeless
Tyre size, construction and speed rating designations. Tubeless designates a tyre which requires no inner tube
C
RADIAL
Denotes type of tyre construction
D
M&S Reinforced
M&S denotes a tyre designed for mud and snow. Reinforced marking only where applicable
E
Max Load 100 Max Pressure 40 PSI
Load and pressure marking requirement. These go from a load index of 60 (250kg) up to an index of 114 (1180kg)
F
E11 01254
ECE (not EEC) type approval mark and number
G
DOT A87C DEF 627
North American Dept of Transport compliance symbols and identification numbers
H
Made In Japan
Country of manufacture