Milton CAT D7E Tier 4 Interim-Stage IIIB - Manual (Page 4)

Cooling System
Efficientandeasytoservice
TheD7Ecoolingsystemusesathree-partradiator
builtwithrugged,highlyefficientaluminumbarcores
forchargedair,jacketwater,andtheseparatecircuit.
Althoughthejacketwaterandseparatecircuitcoolant
operateatdifferenttemperatures,theradiatorappears
andactsasoneintegratedunit.Airflowismanagedby
ahydraulicvariablespeeddemandfan,reducingpower
requirementsandfuelconsumption.Amoldedshroud
ensuresefficientairflowthroughtheradiatorandthe
fanutilizeslightweight,durablebladesforhighefficiency
andquietoperation.Alargergapbetweenfinsreduces
plugging,andthesingle-planedesignallowsforeasier
cleaningandservice.
Engine
ACERT ™ Technology
TheD7EfeaturesaCatC9.3ACERTengineanda
Cat CleanEmissionsModuleaftertreatmenttodeliver
the performanceandefficiencythatcustomersdemand,
while meetingU.S.EPATier4Interim/EUStageIIIB
emissionsstandards.
Theefficientdrivetrainallowstheenginetooperateina
tighterrpmrange,1,500–1,800rpm,whichhelpsextend
enginelifeandimprovefueleconomy.Theincreased
drivetrainefficiencyalsoallowsthemachinetoachieve
greaterperformanceatlowerhorsepowerthanprevious
models,addingevenmoretotheD7Eoverallbenefits.
Features
• Serviceability:Electricprimingpumpandeasierengine
accessmakeserviceeasier.
• LeakProtection:Componentsaresealed,preventing
leaksandprotectingfluidsfromcontamination.