ENGINESYSTEMS7
EngineIdentication
EngineSerialNumber
Figure1Engineserialnumberlocation
Theengineserialnumberislocatedonthelowerleft
sideofthecrankcaseabovetheoilpanange.
EngineSerialNumberExample
152HM2YXXXXXXX
EngineSerialNumberCodes
15.2–Enginedisplacement
H–Diesel,turbocharged,ChargeAirCooler(CAC)
andelectronicallycontrolled
M2–Motortruck
Y–UnitedStates,Huntsville
7digitsufx–Engineserialnumbersequence
EngineEmissionLabel
Figure2U.S.EnvironmentalProtectionAgency
(EPA)exhaustemissionlabel(example)
TheU.S.EnvironmentalProtectionAgency(EPA)
exhaustemissionlabelisontopofthevalvecover
(frontleftside).TheEPAlabeltypicallyincludesthe
following:
•Modelyear
•Enginefamily,model,anddisplacement
•Advertisedbrakehorsepowerandtorquerating
•Emissionfamilyandcontrolsystems
•Valvelashspecications
•Engineserialnumber
•EPA,EURO,OBDandreservedeldsforspecic
applications