Bias Ply Tire: A pneumatic tire in which the pliesare laid at alternate angles less than 90 degreesto the centerline of the tread.Cold Tire Pressure: The amount of air pressure ina tire, measured in pounds per square inch (psi) orkilopascals (kPa) before a tire has built up heatfrom driving. See Inflation - Tire Pressure onpage 5-72.Curb Weight: The weight of a motor vehicle withstandard and optional equipment including themaximum capacity of fuel, oil, and coolant, butwithout passengers and cargo.DOT Markings: A code molded into the sidewallof a tire signifying that the tire is in compliancewith the U.S. Department of Transportation (DOT)motor vehicle safety standards. The DOT codeincludes the Tire Identification Number (TIN),an alphanumeric designator which can also identifythe tire manufacturer, production plant, brand,and date of production.GVWR: Gross Vehicle Weight Rating. See Loadingthe Vehicle on page 4-21.GAWR FRT: Gross Axle Weight Rating for thefront axle. See Loading the Vehicle on page 4-21.GAWR RR: Gross Axle Weight Rating for therear axle. See Loading the Vehicle on page 4-21.Intended Outboard Sidewall: The side of anasymmetrical tire, that must always face outwardwhen mounted on a vehicle.Kilopascal (kPa): The metric unit for air pressure.Light Truck (LT-Metric) Tire: A tire used onlight duty trucks and some multipurpose passengervehicles.Load Index: An assigned number ranging from1 to 279 that corresponds to the load carryingcapacity of a tire.5-69
