Navistar International LT Series - Loads; Dual Tires Matching; Dual Tires Mixing; Rotation

MaintenanceInstructions
Loads
WARNING
Topreventpersonalinjuryand/ordeath,or
damagetoproperty,donotloadtiresbeyond
theirratedcapacityasthisdecreasestirelife,
requiringmorefrequentreplacementoftires.
Overloadingcreatesanunsafeconditionthat
mayresultinsuddenairlossfromatirefailure
resultinginanaccident.
NOTE:Theloadratingofthetiresinstalledonyourvehicle
atthetimeofyourvehicle’sproductionisatorinexcess
oftheGrossAxleWeightRating(GAWR)generallyfound
onalabelontheB-pillarofyourvehicle.Whenreplacing
tires,besurethatthereplacementtireloadrating(listed
separatelyinpoundsandkilogramsonthetiresidewall
forsingleordualapplications)multipliedbythenumber
oftiresonthataxleisequaltoorhigherthanthespecic
listedSteerAxleorDriveAxleGAWR.Failuretodosowill
adverselyaffectmaximumload-carryingcapacity.Tires
withthesamesizespecicationdonotalwayshavethe
sameloadspecication.
DualTiresMatching
Dualtiresshouldbematchedusingtiresofequivalentsize.Tires
thatdiffermorethan1/4inch(6mm)indiameteror3/4inch(19
mm)incircumferenceshouldnotbemountedonthesamedual
wheelassembly.
DualTiresMixing
NOTE:Nevermixbiasandradialtiresonthisvehicle.
Itisrecommendedforbestoverallperformancethatonlyradial
tiresbeusedonthisvehicle.
Nevermixdifferenttiresizesorconstructionsonthesameaxle.
Rotation
•Steertiresthathavedevelopedsometypeofirregular
wearpatterncanberotatedtodriveaxlesifribtiresare
beingusedonallwheelpositions.Applyingsteertiresto
adrivepositionwilloftenwearofftheirregularitiesand
theycanbemovedbacktothesteeraxlesorrunoutto
retreadstageontherearaxle.
•Anotherrotationpossibilityforeetswithribtiresinall
wheelpositionsistobreakinthenewsteertiresinthe
driveaxlepositions,thenmovethemtosteeraxles.This
willwearawaytreadrubberrelativelyquicklyintheearly
lifeofatirewhenitismostlikelytodevelopanunusual
wearpattern.
•Driveaxletiresmaybeplacedontheotherendofthe
sameaxlesothatdirectionofrotationisreversed.Thisis
oftenhelpfulifaheelandtoeoralternatewheelnutwear
patternhasdeveloped.
RotationIsAdvisable
1.Iffront(steering)axletiresbecomeirregularlyworn,
movetorearposition.
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