Paccar PX-9 - Page 80

MAINTENANCESPECIFICATIONS
1.Allseasons
2.Allseasons
3.Winterconditions
4.Winterconditions
5.Arcticconditions
Whilethepreferredviscositygradeis
10W-30,lowerviscositymultigradeoils
canbeusedincolderclimates.See
theaccompanyingchart.Anyviscosity
gradelowerthan10W-30muststill
meetCES20081.
Syntheticengineoils,APIGroup
IIIandGroupIVbasestocks,are
recommendedforuseinPACCAR
enginesoperatinginambient
temperatureconditionsconsistently
below-13°F(-25°C).Synthetic0W-30
oilsthatmeettherequirementsofAPI
GroupIIIorGroupIVbasestocks,
canbeusedinoperationswherethe
ambienttemperatureneverexceeds
32°F(0°C).Multiviscosityoilsrated
0W-30DONOTofferthesamelevelof
protectionagainstfueldilutionasdo
highermultigradeoils.Highercylinder
wearcanbeexperiencedwhenusing
0W-30oilsinhigh-loadsituations.
Astheseoilshavedirectionallythinner
oillmsthan10W-30oils,top-quality
Fleetguard®ltersmustbeused
above70°F(20°C).Someoilsuppliers
mightclaimbetterfueleconomyfor
theseoils.PACCARcanneither
approvenordisapproveanyproduct
notmanufacturedbyPACCAR.These
claimsarebetweenthecustomerand
oilsupplier.Obtainacommitmentfrom
theoilsupplierthattheoilwillgive
satisfactoryperformanceinPACCAR
enginesorDONOTusetheoil.
5-26Y53-1185-1B1(12/2014)
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