Dodge 2006 Freightliner, Owner'S Manual

Page: 200 / 330

200 STARTING AND OPERATING
Tire Ply Material
(1) Plies in sidewall
(2) Plies under tread
NOTE: Data shown on tire are for illustration purposes
only. Actual data on tires are specific to each vehicle
and may vary from data shown in the illustration.
This marking tells you about the type of cord and
number of plies in the sidewall and under the tread.
Tire and Loading Terminology
Accessory Weight
The combined weight (in excess of those standard
items which may be replaced) of automatic
transmission, power steering, power brakes, power
windows, radio, and heater, to the extent that these
items are available as factory-installed equipment
(whether installed or not).
Air Pressure
The amount of air inside the tire pressing outward on
each square inch of the tire. Air pressure is expressed
in pounds per square inch (psi), or kilopascal (kPa) or
bars.
Aspect Ratio
Dimensional relationship between tire section height
and section width expressed in percentage.
Bar
Another metric unit for air pressure. There are 14.5038
pounds per square inch (psi) to 1 bar; there are 100
kilopascals (kPa) to 1 bar.