SECTION1–ENGINESYSTEMS
EngineSerialNumber
Figure1EngineSerialNumber
Theengineserialnumberisstampedonthecrankcasepad,on
therearleftsidebelowthecylinderhead.
EngineSerialNumberExample
6.5HM2YXXXXXXX
6.5–Enginefamilycode
H–Diesel,turbocharged,ChargeAirCooler(CAC),and
electronicallycontrolled
M2–MotortruckorU2powerunitandOEM(soldtooriginal
equipmentmanufacturer)
Y–UnitedStates,HuntsvilleAlabama
7–digitsufx–Engineserialnumbersequence
EngineEmissionLabel
Figure2TheU.S.EnvironmentalProtectionAgency(EPA)
ExhaustEmissionLabel(Example)
TheU.S.EnvironmentalProtectionAgency(EPA)exhaust
emissionlabelislocatedontopoftheExhaustGasRecirculation
(EGR)manifoldmixer,onthefrontoftheengine.Thelabel
includesthefollowing:
•Advertisedbrakehorsepowerratings
•Enginemodelcode
•Serviceapplications(lightheavyormediumheavy)
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