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www.columbusequipment.com2EPATier4FinalIsHereWhatItMeanstotheWorldAndYourBottomLineSince1996off-highwaydieselengineshaveprogressedthroughfivesuccessivelymore-stringentphasesTierstoreduceexhaustemissions.Mosthorsepowercategoriesexceptforthoseinthe75-174horsepowerrangeandthosewithmorethan750horsepowerwhicharesubjecttoTier4-FinalregulationinJanuary2015arenowrequiredtomeetthemost-stringentTier4-Finalstandard.ThetwopollutantsofprimaryconcernareparticulatemattercarbonparticlessaturatedwithunburnedfuelandoilresidueandcompoundsofsulfurbasicallyblacksmokewiththepotentialtoharmlungsandnitrogenoxidesNOxwhicharetoxictoinhalationandenvironmentallydamaging.TheenvironmentalandhealthbenefitsresultingfromtheEnvironmentalProtectionAgencysnewTier4FinalstandardsbyreducingparticulatematterPMandnitrogenoxideNOxemissionswereamajorfocusatNorthAmericaslargestconstructionequipmenteventConExpo2014.LeadingmanufacturersKomatsuKubotaandTakeuchihighlightedtheben-efitsoftheirrespectiveandmuchanticipatedTier4technologies.WhilethebigdriverforTier4regulationsisenvironmentalandhealthbenefitscus-tomerswillalsorealizethebenefitoflowerfuelusageasfuelisburnedmoreefficientlywithintheenginealongwiththeassociatedoperatingcostreductionsinthe5-10range.Increasedpowertorqueandproductivityarealsokeydriversthatroundoutawin-winscenarioforequipmentownersandoperators.Itsallaboutuptime.TodayreliabilityisexcellentwithproductsupportprogramscustomizedtoTier4-drivenequipmentandtheever-increasingsupportexpertisethatcomesfromthethousandsofhoursspentservicinglow-emissionTier3iT4andTier4FinalequipmentinthefieldsaidColumbusEquipmentCompanyGeneralSalesManagerJasonCrain.ThetransitiontoTier4signifiesmultiplebenefitsforourcustomersforthemarketstheyserveaswellasforsocietyatlarge.AsolderequipmentbecomesobsoleteandisreplacedbytodaysTier4machinessocietyasawholewillbenefitfromthecleanerairincludingownersandoperatorswhospendmuchoftheirtimearoundtheequipmentheadded.ImprovedfuelefficiencyincreasedproductivityandahealthierbottomlinearealladditionalicingonthecakeCrainconcluded.KomatsuTier4FinalEngineSAA6D107SelectiveCatalyticReductionDieselParticulateFilter