RAM Commercial PROMASTER 2022 Owner's Manual page 241

Tire Markings
Tire Markings
1 — US DOT Safety Standards Code
(TIN)
2 — Size Designation
3 — Service Description
4 — Maximum Load
5 — Maximum Pressure
6 — Treadwear, Traction and
Temperature Grades
NOTE:
P (Passenger) — Metric tire sizing is based on US

design standards. P-Metric tires have the letter
"P" molded into the sidewall preceding the size
designation.
Example: P215/65R15 95H.
European — Metric tire sizing is based on Euro-

pean design standards. Tires designed to this
standard have the tire size molded into the side-
wall beginning with the section width. The letter
"P" is absent from this tire size designation.
Example: 215/65R15 96H.
LT (Light Truck) — Metric tire sizing is based on

US design standards. The size designation for
LT-Metric tires is the same as for P-Metric tires
except for the letters "LT" that are molded into
the sidewall preceding the size designation.
Example: LT235/85R16.
SERVICING AND MAINTENANCE
Temporary spare tires are designed for tempo-

rary emergency use only. Temporary high pres-
sure compact spare tires have the letter "T" or
"S" molded into the sidewall preceding the size
designation.
Example: T145/80D18 103M.
High flotation tire sizing is based on US design

standards and it begins with the tire diameter
molded into the sidewall.
Example: 31x10.5 R15 LT.
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