Designation:D5967−21StandardTestMethodforEvaluationofDieselEngineOilsinT-8DieselEngine1ThisstandardisissuedunderthefixeddesignationD5967;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thistestmethodcoversanenginetestprocedureforevaluatingdieselengineoilsforperformancecharacteristics,includingviscosityincreaseandsootconcentrations(loading).2ThistestmethodiscommonlyreferredtoastheMackT-8.1.2ThistestmethodalsoprovidestheprocedureforrunninganextendedlengthT-8test,whichiscommonlyreferredtoastheT-8Eandanabbreviatedlengthtest,whichiscommonlyreferredtoasT-8A.TheproceduresfortheT-8EandtheT-8AareidenticaltotheT-8withtheexceptionoftheitemsspecificallylistedinAnnexA8andAnnexA9respectively.Additionally,theproceduremodificationslistedinAnnexA8andAnnexA9refertothecorrespondingsectionoftheT-8procedure.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3.1Exceptions—WherethereisnodirectSIequivalentsuchastheunitsforscrewthreads,NationalPipeThreads/diameters,tubingsize,solesourceequipmentsuppliers,andoilconsumptioningramsperkilowatt-hour.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.SeeAnnexA6forspecificsafetyprecautions.1.5ATableofContentsfollows:Scope1ReferencedDocuments2Terminology3SummaryofTestMethod4SignificanceandUse5Apparatus6GeneralDescription6.1TheTestEngine6.2MackTestEngine6.2.1EngineCoolingSystem6.2.2EngineOilSystem6.2.3AuxiliaryOilSystem6.2.4CrankcaseAspiration6.2.5BlowbyMeter6.2.6AirSupplyandFiltration6.2.7FuelSupply6.2.8IntakeManifoldTemperatureControl6.2.9EngineFluids7TestOil7.1TestFuel7...
