Maintenance and Specifications
INFORMATION ABOUT UNIFORM TIRE QUALITY GRADING
Newvehiclesarefittedwithtires
thathavearatingonthemcalled
TireQualityGrades.TheQuality
gradescanbefoundwhere
applicableonthetiresidewall
betweentreadshoulderand
maximumsectionwidth.For
example:
•
Treadwear200TractionAATemperatureA
TheseTireQualityGradesaredeterminedbystandardsthattheUnited
StatesDepartmentofTransportationhasset.
TireQualityGradesapplytonewpneumatictiresforuseonpassenger
cars.Theydonotapplytodeeptread,winter-typesnowtires,
space-saverortemporaryusesparetires,tireswithnominalrim
diametersof10to12inchesorlimitedproductiontiresasdefinedin
Title49CodeofFederalRegulationsPart575.104(c)(2).
U.S.DepartmentofTransportation-Tirequalitygrades:TheU.S.
DepartmentofTransportationrequiresFordtogiveyouthefollowing
informationabouttiregradesexactlyasthegovernmenthaswrittenit.
Treadwear
Thetreadweargradeisacomparativeratingbasedonthewearrateof
thetirewhentestedundercontrolledconditionsonaspecified
governmenttestcourse.Forexample,atiregraded150wouldwearone
andone-half(11/2)timesaswellonthegovernmentcourseasatire
graded100.Therelativeperformanceoftiresdependsupontheactual
conditionsoftheiruse,however,andmaydepartsignificantlyfromthe
normduetovariationsindrivinghabits,servicepractices,and
differencesinroadcharacteristicsandclimate.
Traction AA A B C
Thetractiongrades,fromhighesttolowestareAA,A,B,andC.The
gradesrepresentthetire’sabilitytostoponwetpavementasmeasured
undercontrolledconditionsonspecifiedgovernmenttestsurfacesof
asphaltandconcrete.AtiremarkedCmayhavepoortraction
performance.
268
2004
F250/350/450/550(f23)
OwnersGuide(post-2002-fmt)
USAEnglish(fus)
| Categories | Ford F-150 F-250 F-350 F-450 F-550 Manuals, Ford Manuals |
|---|---|
| Tags | Ford F-250, Ford F-350, Ford F-450, Ford F-550 |
| Model Year | 2004 |
| Download File |
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| Document File Type | |
| Copyright | Attribution Non-commercial |
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