Sheet#: D9c.2 Title: CLASSIFICATION DATDATAASHEESHEETT OFFREIGHT,GENERAL ©NATIONALMODELRAILROADASSOCIATION SERVICEAND MAINTENANCEOFWAY TOTALFREIGHTTRAINCARS CARS Reformated: October1999 Jan.1,1967:(ClassIRailroads,1,496,579;ClassII FirstIssued: November1953(D9b.01) RailroadsandTerminal&SwitchingCompanies, MyronL.Brown 26,847;PrivatelyOwned,302,758);1,826,184. Originally Compiledby: EdwardA.Young -591,601 GondolaCars-13,722 Revised: January1968 -102,912 Revisedby: CharlesM.Alberty RackCars-26,474 References: TheOfficialEquipmentRegister TankCars-173,304 (Jan1967) AARCarServiceDivision CoveredHopperCars-130,181 CarBuildersCyclopediaofAmerican Open-TopHopperCars-439,516 Practice(1961) TankCarManual,GeneralAmerican RefrigeratorCars-118,362 TransportationCorporation(1966) StockCars-19,645 Page: 1of11 OtherFreightTrainCars-10,467

TOTALCOMPANYSERVICEEQUIPMENT CLASS"X"-continued Jan.1.1965:78,349 CabooseCars-17,329 andsuitableforgeneralcommodityloading. Ballast&DumpCars-5,541 FormerlyClass"XMC". DerrickCars-793 XL- LoaderEquipped.Ahousecarsimilarin WreckingCars-2,620 designto"XM",eitherfullyorpartiallylined BusinessCars-367 withsteelperforatedsidewallsorequipped BoardingOutfitCars-13,888 withinteriorsiderailsorstanchionsand SnowRemovingCars-1,009 crossbarmembers,forsecurementofcertain OtherServiceEquipmentCars-36,802 typesofladingand/orpermanentlyattached movablebulkheads.FormerlyClass"XML". GENERAL XM -Box.Ahousecarforgeneralserviceand especiallyforladingrequiringprotection Theclassificationslistedbelowarefromthe fromtheweather,withorwithoutladingtie AAR.Individualroadsmayuseother anchors,andequippedwithsideorsideand designations.Thefollowingclassificationsare enddoors. thoseineffectonJanuary1,1967. XP -Ahousecarsimilarindesignto"XM "but speciallyequippedforspecificcommodity FREIGHTCARCLASSIFICATIONS loadingandnotsuitableformiscellaneous CLASS"X"-BOXCARTYPE commodityloading.FormerlyClass"XMP". XR -AutoDeviceCar.Ahousecarsimilarin designto"XM"eitherlinedorunlined,withside orsideandenddoorsandequippedwith loadingracksand/orfloortubeswithtie-down chainsforloadingsetupautomobilesand trucks.FormerlyClasses"XAR"and"XMR". XT -Ahousecarwithorwithoutdoorseither Class"XM" metallinedorenclosingoneormoretanks. XU -Ahousecarwithremovable XC -Ahousecarhavingindividual superstructuretobeusedforSpecialLoading. compartmentswithamultiplicityofsidedoors FormerlyClass"XME". Sheet#: D9c.2 Title: CLASSIFICATION DATDATAASHEESHEETT OFFREIGHT,GENERAL ©NATIONALMODELRAILROADASSOCIATION SERVICEAND MAINTENANCEOFWAY CARS CLASS"X"-continued Page: 2of11 OBSOLETECLASSES: "XAP"and"XI". NOTE: WhenanyoftheforegoingClass"X" CLASS"S"-continued carsareinsulated,theletter"I"shouldbe addedtothedesignation. ST -StockCar.Thiscarisfortransportationof livestockonthehoof,andisequippedwith CLASS"S"-STOCKCARTYPE roof,slottedsidesandsidedoors,andfixed tripledeck.Withorwithoutfeedandwater troughs.

CLASS"V"--VENTILATORCARTYPE

Class"SM"StockCar

SA -StockCar.Acarfortransportationof Stockonthehoof(excepthorsesandmules), Class"VA"VentilatedBoxCar equippedwithroof,slattedsidesandside VA -Fruit-VegetableVentilatedBox.Similarin doorsandfixeddoubledecklocatedsufficiently designtogeneralserviceboxcar,butwith hightopermittheloadingofcattleonthelower eitherendand/orsideventilators,andwithor deck.Withorwithoutfeedandwatertroughs. withoutdoubleslidingsidedoorsWhen SC -StockCar.Thiscarisfortransportationof equippedwithdoubledoors,onedoorissolid stockonthehoof,andisequippedwithroof, andtheotherscreened. slattedsidesandsidedoors,andconvertible VM -Fruit-VegetableVentilator.Similarin singleordoubledeck.Withorwithoutfeed designtoventilatedboxcar,exceptthatitis andwatertroughs. partiallyinsulated. SD -StockCar.Compositecarhavingdrop VS -Fruit-VegetableInsulatedVentilator.A doorsinfloorandmeansofhousinginsidesto housecarequippedwithinsulationandhinged makeadropbottomboxcar. swingingsidedoors,andmeansofventilation. SF -StockCar.Thisca risfortransportationof Notequippedforrefrigeration,although stockonthehoofandisequippedwithroof, sometimesprovidedwithshallowboxesunder slattedsidesandsidedoors,andfixeddouble hatches(or ventilatingopenings)toprotect deck.Withorwithoutfeedandwatertroughs. lading,butnottocontainice.Sometimescalled SH -.Acarspeciallyfittedforthe "ProduceCar". transportationofhorsesinfreightservice. NOTE: Heating-Anyoftheaboveclassesof SM -StockCar.Thiscarisfortransportationof equipmenthavingspecialheatingappliances stockonthehoof,andisequippedwithroof. fortheprotectionofcommoditiesagainst slattedsidesandsidedoors,andsingledeck. freezing,tobecoveredbyaffixingtheletter Withorwithoutfeedandwatertroughs. "H"tothedesignatingsymbol. SP -StockCar.Usedinpoultrytrade,fitted withroofandsidesusuallyofwirenetting,fitted withshelvesforstoringcratesofpoultryand leavingspaceforpoultrymen,f eedbagand wateringfacilities. Sheet#: D9c.2 Title: CLASSIFICATION DATDATAASHEESHEETT OFFREIGHT,GENERAL ©NATIONALMODELRAILROADASSOCIATION SERVICEAND MAINTENANCEOFWAY CARS CLASS"R"--REFRIGERATORTYPECAR Page: 3of11

CLASS"R"-continued RPM -MechanicalRefrigerator.Similarto Class"RP"butequippedwithbeefrails. RS -BunkerRefrigerator.Afullyinsulated housecarequippedwithicebunkers.Designed Class"RAMH"BrineTankRefrigerationCar primarilyforuseofchunkiceandwithor withoutmeansofventilation. RA -Brine-TankRefrigerator.Ahousecar RSB -BunkerRefrigerator.Afullyinsulated equippedwithinsulationandbrine-tanks. housecarequippedwithicebunkersandair Designedprimarilyforthecombineduseof circulatingfans.Designedprimarilyforusein crushediceandsaltandusuallywithout bulkpotatoorsimilartypeloadingascarsare ventilatingdevices.Usedchieflyformeatsand equippedwithinteriorslopesheetsand packinghouseproducts. conveyorsand/orequipmentformechanical RAM -Brine-TankRefrigerator.Similarto loadingandunloading. Class"RA"carbutequippedwithbeefrails. RSM -BunkerRefrigerator.SimilartoClass RB -BunkerlessRefrigerator.(BeverageIce, "RS"butequippedwithbeef rails. WaterorVinegarRefrigerator).Similarin RSTC -BunkerRefrigerator.Afullyinsulated designtoaClass"RS"carexceptthatitisnot housecarequippedwithoneortwoice equippedwithicebunkersandwithorwithout bunkersorbrinetanks,withorwithoutmeans ventilatingdevicesandwithorwithoutdevices forexteriorventilation,equippedwith forattachingportableheaters.Construct ed thermostaticallycontrolledelectricfanforced withaminimumof3"ofinsulationonsidesand aircirculatingsystem,poweredbyequipment endsand3½"ofinsulationinfloorandroof. locatedoncar. RBL -BunkerlerssRefrigerator.Similarin RSTM -BunkerRefrigerator.SimilartoClass constructiontoaClass"RE"carbutequipped "RSTC"butequippedwithbeefrails. inadditionwithadjustableloadingorstowing NOTE: Anyoftheaboveclassesofequipment device. havingspecialheatingappliancesforthe RCD -SolidCarbonDioxideRefrigerator.A protectionofcommoditiesagainstfreezing,to housecarequippedwithinsulation,withor becoveredbyaffixingtheletter"H"tothe withoutmeansofventilationandprovidedwith designatingsymbols. asystemofrefrigerationinwhichsolidcarbon dioxideisemployedastheprimaryrefrigerant. CLASS"H"--HOPPERCARTYPE RP -MechanicalRefrigerator.Ahousecar equippedwithinsulation,withorwithoutmeans ofventilationandprovidedwithapparatusor otherdeviceforfurnishingprotectionagainst heatand/orcold.Apparatusoperatedbypower generatedinsidecar,butnotthroughthecar axle. Class"HT"--Hopperw/3Hoppers RPL -MechanicalRefrigerator.Similarto Class"RP"butequippedinadditionwith HD -AnOpenTopSelf-ClearingCarhaving adjustableloadingorstowingdevice. fixedsidesandends,andbottomconsistingof twoormoredividedhopperswithdoorshinged lengthwiseofcaranddumpingoutsideofrails. FormerlyClass"HDA". Sheet#: D9c.2 Title: CLASSIFICATION DATDATAASHEESHEETT OFFREIGHT,GENERAL ©NATIONALMODELRAILROADASSOCIATION SERVICEAND MAINTENANCEOFWAY CARS CLASS"H"-continued Page: 4of11 HE -AnOpenTopCar,notself-clearing, havingfixedsidesandends,levelbottomwith CLASS"H"-continued twoormoredividedhopperswithdoorshinged crosswiseofcaranddumpingbetweenrails. HTA -AnOpenTopSelf-ClearingCarhaving HF -AnOpenTopSelf-ClearingCarhaving fixedsidesandends,andbottomconsistingof fixedsidesandendsandbottomconsistingof threeormoredividedhopperswithdoors twoormoredividedhopperswithdoorshinged hingedlengthwiseofcaranddumpingbetween crosswisedumpingbetweenrails,alsotwo rails.FormerlyClass"HTB". dividedhoppersextendingfromendofcarto NOTES: WhenHopperCarsareequippedwith bolster,withdoorshingedlengthwiseofcar anyorallofthemodificationsasprovidedin anddumpingoutsideofrails. thefollowing,thesuffixesasprovidedshallbe HFA -AnOpenTopSelf-ClearingCarhaving addedtotheprimaryclassificationintheorder fixedsidesandendsandbottomconsistingof aslistedbelow: dividedhoppersatcenterwithdoorshinged 1.IfanyoftheseHopperCarsareequipped leng thwise,dumpingoutsideand/orinsideof withcokeracks,theletter"C"shouldbe rails;alsoonedividedhopper,eachend, affixedtotheregularsymboltodesignate extendingfromendofcarbolsterwithdoors itsspecialclassofservice. hingedlengthwiseofcardumpingoutsideof 2.IfanyoftheseHopperCarsareequipped rails. with arooforarecoveredfortheprotection HFB -AnOpenTopSelf-ClearingCarhaving ofcontentstheletter"R"shouldbeaffixedto fixedsidesandendsandbottom,consistingof theregularsymboltodesignateitsspecial oneormoredividedhoppersatcenterofcar classofservice. withdoorshingedlengthwisedumpinginside 3.Wherecarsareequippedwithpermanent rails;alsocrosshoppersatendswithdoors racksforstowingparts,orarespecially dumpingbetween,orbetweenandoutsideof modifiedorequippedtoprovideforloading rails. ofaparticularcommodity,theletter"S" HK -AnOpenTopSelf-ClearingCarhaving shouldbeaffixedtotheapplicable fixedsidesandends,andbottomconsistingof designatingletters. twoormoredividedhopperswithdoorshinged CLASS"B"-PASSENGERTYPEBAGGAGE lengthwiseofcaran ddumpingoutsideand/or (SeeDataSheetD9e.1) insideofrails. HM -AnOpenTopSelf-ClearingCarhaving CLASS"G"--GONDOLACARTYPE fixedsidesandends,andbottomconsistingof twodividedhopperswithdoorshinged crosswiseofcaranddumpingbetweenrails. HMA -AnOpenTopSelf-ClearingCarhaving fixedsidesandends,andbottomconsistingof twodividedhopperswithdoorshinged Class"GB" lengthwiseofcaranddumpingbetweenrails. GA -AnOpenTopCarhavingfixedsidesand HT -AnOpenTopSelf-ClearingCarhaving endsanddropbottom,consistingofdoors fixedsidesandends,andbottomconsistingof hingedcrosswiseofcartodumpbetweenrails. threeormoredividedhopperswithdoors hingedcrosswiseofcaranddumpingbetween rails.FormerlyClass"HMB". Sheet#: D9c.2 Title: CLASSIFICATION DATDATAASHEESHEETT OFFREIGHT,GENERAL ©NATIONALMODELRAILROADASSOCIATION SERVICEAND MAINTENANCEOFWAY CARS CLASS"G"-continued Page: 5of11 GB -AnOpenTopCarhavingfixedsides, fixedordropendsandsolidbottom,suitable CLASS"H"-continued formilltrade.Nobraces,etc.oninsideto NOTES: WhenGondo!aCarsareequipped preventproperloadingofmillshapes,etc. withanyorallofthemodificationsasprovided FormerlyClasses"GK","GKA",'·GM"and inthefollowing,thesuffixesasprovidedshall "GMA". beaddedtotheprimaryclassificationinthe GD -AnOpenTopCarhavingfixedordrop orderaslistedbelow. ends,solidbottom,andsidesequippedwith 1.IfanyoftheseGondolaCarsareequipped doorsfordumping.Number,sizeandspacing withcokeracks,theletter"C"shouldbe ofswingdoorsvary.Doorsmayoperatesingly affixedtotheregularsymboltodesignateits orinsetsoftwoormore. specialclassofservice. GE -AnOpenTopCarhavingfixedsides,drop 2.IfanyoftheseGondolaCarsareequipped ends,anddropbottom,consistingofdoors witharooforarecoveredforprotectionof hingedatcentersillstodumpoutsideofrails. contents,theletter"R"Shouldbeaffixedto Number,sizeandspacingofdropdoorsvary. theregularsymboltodesignateitsspecial Doorsmayop eratesinglyorinsetsoftwoor classofservice. more. 3.Wherecarsareequippedwithpermanent GH -AnOpenTopCarhavingfixedsides,drop racksfor stowingpartsorarespecially ends,anddropbottomconsistingofdoors modifiedorequippedtoprovideforloading hingedatcentersillstodumpoutsideofrails. ofaparticularcommodity,theletter"S" GRA -AnOpenTopCarhavingfixedsides shouldbeaffixedtotheapplicable andendsandlevelbottomwithoneormore designatingletters. hoppersdumpingoutsideofrails. GS -AnOpenTopCarhavingfixedsidesand CLASS"F"--FLATCARTYPE endsanddropbottom,consistingofdoors hingedatcentersillsorsidesillstodump outsideand/orinsiderails.Number,sizeand spacingofdropdoorsvary.Doorsmayoperate singlyorinsetsoftwoormore;insomecases Class"FM" fromthesideofthecarandinothersfromthe end. FA -FlatCarspecificallyequippedwithmulti- levelracksordecksfortheloadingand GT -AnOpenTop Carhavinghighfixedsides andendsandsolidbottom,suitablefor transportationofset-upvehicles,notsuitable forothermiscellaneouscommodities.Formerly unloadingcoalondumpingmachinesonly,but notsuitableformilltrade. Class"FCS". FC -AFlatCarorothertypeofcarspecifically GW -AnOpenTopWell-HoleCarfor transportationofspecialcommodities.Asolid equippedtocarryhighwaytrucks',trailers,or bottomcarwithfixedsidesandends,having removabletrailerbodicesforthetransportation oneormoreopeningsordepressionsprovided offreight.Alsoknownas"Piggyback"FlatCar. infloor,permittingtheladingtobeloweredin FD -DepressedCenterFlatCar.Aflatcarof specialconstructionhavingtheportionofthe ordertoobtainoverheadclearance. floorextendingbetweentrucksdepressedto providenecessaryhead-roomforcertain classesoflading. Sheet#: D9c.2 Title: CLASSIFICATION DATDATAASHEESHEETT OFFREIGHT,GENERAL ©NATIONALMODELRAILROADASSOCIATION SERVICEAND MAINTENANCEOFWAY CARS CLASS"F"-continued Page: 6of11 FG -FlatorGunTruckCar.Forspecial transportationofheavyordnanceorother CLASS"T"--TANKCARTYPE heavycommodities. FL -FlatLoggingCarorLoggingTruck.Thisis eitheranordinaryflatcar,orcarconsistingof twotrucksfittedwithcrosssupportsovertruck bolsters;thetrucksconnectedbyaskeletonor flexibleframeandlogsloadedlengthwiseon cross-supports. FM -OrdinaryFlatCarforgeneralservice.This carhasflooringlaidoversillsandwithoutsides Class"TP"TankCar orends FW -FlatWell-HoleCar.Forspecial TankCarmeansanycarwhichisusedonlyfor transportationofplateglass,etc.Thiscarisa thetransportationofliquids,liquefiedgasses, flatcarwithholeinmiddletoenableladingto compressedgasses,orsolidsthatareliquefied bedroppeddown onaccountofclearance priortounloading.Carmaybewithout limits. underframeifcontainerservingas OBSOLETECLASS:"FB". superstructureisdesignedtoserveas NOTE: Wherecarsareequippedwith underframe.Ifcarhasunderframe,itmustbe permanentracksforstowingpartsorare designedonlyforthecarriageofoneormore speciallymodifiedorequippedtoprovidefor enclosedcontainers(withorwithout loadingofaparticularcommodity,theletter"S" compartments)thatformthesuperstructure shouldbeaffixedtotheapplicabledesignating andareintegralpartsofthecar.Allsuch letters. containersmustbesecurelyattachedtothe underframewhenofferedfortransportationbut CLASS"N"--CABOOSECARTYPE mayhavedemountablefeatures. Beforeany carcanbeconsideredatankcarhereunder, thedesignofallsuchcontainersthereonmust havebeenapproved1)bytheAARCommittee onTankCarsashavingmetallapplicableAAR specificationsandrequirementsand2)bysaid Committeeor,inappropriatecases,the InterstateCommerceCommission,ashaving Class"NE" metallapplicablespecificationsand requirementsofSubpart1oftheRegulations NE -Caboosemountedoneightwheelsand forTransportationofExplosivesandOther longerthanfourwheelcaboose,butofthe DangerousArticles. samegeneraldesign. TA -TankCarequippedwithAlloy(Stainless) NM -FreightTrainServiceCaboosefor SteelorSteelFusion-WeldedTank,withor convenienceoftrainmen.Thiscabooseis withoutDome.Non-InsulatedorInsulate d.Top mountedonfourwheelsandhaslookoutattop unloadingarrangementrequired.BottomOutlet overroof.Itisfittedwithbunksorbenchesand prohibited.Bottomwashoutpermittedornot astoveforcookingandheatingpurposes,also permitteddependingoncommodity tankforstorageofdrinkingandwashingwater, transported.Usedtotransportcommodities andsmalltoolstorageboxes. suchas:SulfuricAcid,TitaniumTetrachloride, Oleum,BenzylChloride,Phosphorous Sheet#: D9c.2 Title: CLASSIFICATION DATDATAASHEESHEETT OFFREIGHT,GENERAL ©NATIONALMODELRAILROADASSOCIATION SERVICEAND MAINTENANCEOFWAY CARS CLASS"T"-continued Page: 7of11 OxychlorideandTrichloride,Chloroacetyl Chloride,PhosphoricAcid, ChlorosulfonicAcid, AceticAcid,Hydrazine,FruitandVegetable JuicesandWhiskey. Monochlorodifluoromethane, TG -TankCarequippedwithoneormore Dichlorodifluoromethane,HydrogenSulfide, glasslinedcontainersofSteelFusion-Welded Helium,HydrogenandOxygen. construction,NonInsulatedorInsulated.Top TP -TankCarequippedwithSteelFusion- unloadingarrangementrequired.Bottomoutlet WeldedorSteelForge-WeldedTankwith prohibited.Bottomwashoutpermitted.For ManwayNozzle.Topunloadingarrangement transportationofmilkoredibleitems. required.Bottomoutletorbottomwashout THI -InsulatedTankCarofSteelFusion- prohibited.ForcommoditiessuchasEthylene WeldedorSteelForge-WeldedTank Oxide,LiquefiedPetroleumorHydrocarbon construction,withoutdome,equippedwith Gases,SulfurDioxideandVinylChloride. heaterdevicewhichpermitsintransitheatingof TPA -TankCarequippedwithAluminum ladin g.Heaterapparatusoperatedbypower Fusion-WeldedTankwithManwayNozzle, otherthanthroughtheaxle.Forcommodities Non-insulatedorInsulated.Topunloading suchas:FuelOilandVegetableOil. arrangementrequired.Bottomoutlet, TL -TankCarofSteelFusion-WeldedorSteel prohibited.Bottomwashoutperm itted.For RivetedTankwithDome,Non-Insulatedor commoditiessuchas:NitrogenFertilizer Insulated,containerlinedwithanymaterial Solution(AmmoniumNitrateSolution). otherthanglass(usuallyrubber).Top TR -TankCarequippedwithAluminum unloadingarrangementrequired.BottomOutlet Fusion-WeldedorAluminumRivetedTankwith orBottomWashoutprohibited.For Dome,Non-InsulatedorInsulated.For commoditiessuchas:HydrochloricAcid,Zinc commoditiessuchas:NylonSaltSolution, Chloride,AluminumSulfate,Phosphoric FattyAcids,AceticAcid,AceticAnhydride, Acid,Chlorine,AnhydrousAmmonia,Liquefied HydrogenPeroxide(notexceeding52%by PetroleumorHydrocarbonGasses,Vinyl weight).IfusedforNitricAcid,topunloading Chloride,MotorFuelAnti-KnockCompound. arrangementisrequired;bottomoutlet TM -Ta nkCarwithtankofSteelRivetedor prohibitedandbottomwashoutpermitted. SteelFusion-WeldedTankwithDome,orSteel TVI -TankCarequippedwithInsulatedAlloy TankwithDomehavingcombinedRivetedand (Stainless)Steel(ratedfor--3250F.service) Fusion-Weldedconstruction,Non-Insulatedor Fusion-WeldedTank,withoutManwa yNozzle, Insulated,withBottomDischargeValves.For withSteelFusion-WeldedOuterShell commoditiessuchas:Toluene,EthylEther, (VacuumAnnularSpace).Usedforthe PropylAlcohol,CrudeOil,FuelOil,Benzene, transportationofcryogenicssuchas:Liquid Kerosine,Gasoline,VegetableOils,Caustic Nitrogen,LiquidOxygenorLiquidArgon. Soda.IfequippedwithStainlessSteelTank, TW -TankCarequippedwithoneormore canbeusedforWhiskey,Caramel,Fruitand WoodenStaveMetal-HoopedTanks.Tanks VegetableJuices. mustbeinterior-lined,coatedortreatedto TMU -TankCarequippedwithremovable withstandactionofHydrochloricAcid.Wooden containersofSteelForge-WeldedorSteel Tanksmustnothavesideorbottomopenings. Fusion-WeldedSteelTanksmountedinmultiple onunder frame.Eachtankapproximatelyone toncapacity.Forcommoditiessuchas: Chlorine,SulfurDioxide,AnhydrousAmmonia, Sheet#: D9c.2 Title: CLASSIFICATION DATASHEET OFFREIGHT,GENERAL ©NATIONALMODELRAILROADASSOCIATION SERVICEAND MAINTENANCEOFWAY CARS CLASS"T"-continued Page: 8of11 NOTES: 1.Wherecontainersmountedonanyofthe CLASS"L"-continued precedingTankCarTypeClassesare insulated,theletter"I"shouldbeaffixedto LM -Acarequippedwithoneormore theirapplicabledesignatingletters.For permanentlyenclosedtanksorcontainers, example,TAI,TGI,etc. providedwithoneormoreopeningsforloading 2.Thecapacityofcarcanbeshownbyaffixing andequippedwithpneumaticorgravity twofiguresafterdesignatingletter:For unloading.Carissuitableforhandlingcertain instance,"80"wouldmean80,000pounds drypowderedorgranularcommodities,and capacity.Wheretanksareinquestion,the alsolowviscosity,non-dangerousliquid capacitynumbersshouldindicatecapacity commodities. ingallonsinsteadofpounds. LO -Apermanentlyenclosedcar,otherthana housecar,regardlessofexteriororinterior shape,forhandlingdrypowderedorgranular CLASS"L"--SPECIALCARTYPE commodities.Withorwithoutinsulationand providedwithopeningsforloadingthroughtop orsideswithweather-tightcoversordoors.Car maybeprov idedwithoneormorebottom openingsforunloading,withtightfittingcovers, doors,valves,ortightfittingslideorgateto preventleakageoflading.Carmaybe providedwithfacilitiesfordischargeoflading Class"LO"CoveredHopper throughopeningsintoporsidesandmayhave oneormorecompartments.Mechanicalor LB- AHouseCarwithhighslidingdoorsat othermeansmaybeprovidedwithincarto center,bothsides.Onthebalanceofeach expediteloadingorunloading.Known side,andapproximatelywithlowerhalf,there commonlyasaCoveredHopperCar.Formerly aretwoormoredoorshingedatthetopto Classes"LT"and"LTA" . openoutwardwithsuitablelocksatbottom. LP -AnOpenTopCarhavingsolidbottomand LC -AHouseCarwithsidedoorsandroof fixedends,withorwithoutfixedsides(either hatches.Maybeequippedwithenddoors. slattedorsolid).Alsowithorwithoutrunning LF -AFlatCarequippedtohandleoneor boardshavinggua rdrails.Suitableforhandling moredemountablecontainersforthe pulpwood. transportationofcommoditiesnotunder LRC -AHouseCar,heavilyinsulated;withor refrigeration. withoutventilation,withorwithouthatches, LFA -AFlatCarequippedwithacontaineror withorwithoutgravityconveyorsforloading containersforthepurposeoftransporting andunloading.Mayhavecrosspartitions commoditiesimmersedinliquidsorgasses. formingcompartments.Designedprimarilyfor LFR -AFlatCarsuppliedwithapowerunit thetransportationofsolidcarbondioxide. andequippedt ohandleoneormore LS -Acarofspecialconstructionhavingtwo demountablecontainersforthetransportation separableinterlockingunitswhichformacar ofcommoditiesunderrefrigeration. body.Unitsmaybeseparatedandload LG- AnOpenTopCarequippedtohandleone interposedbetweenandlockedinplacetoform ormoredemountablecontainersforthe acompletetransportationunit. transportationofcommoditiesnotunder refrigeration. Sheet#: D9c.2 Title: CLASSIFICATION DATDATAASHEESHEETT OFFREIGHT,GENERAL ©NATIONALMODELRAILROADASSOCIATION SERVICEAND MAINTENANCEOFWAY CARS CLASS"L"-continued Page: 9of11 LU -AnEnclosedCarwithroof,havingspecial metalbeamofheavydesignattopofeachside tosupportaseriesofretractableoverheadside GENERALSERVICEMAINTENANCEOF doorsandtheirappurtenances,orothertypes WAYEQUIPMENTCARS ofdoors,runningsubstantiallythelengthofthe car,whichbeamsalsosupporttheroofdetails. Carmaybeequippedwithspecialloading devicesorracksforhandlingvarious commodities.

CLASS"Y"'--YARDCARTYPE

Class"YM"PolingCar 30TonDieselLocoCrane YA -YardPick-UpCar.Foruseofcardroppers andyardmeninperformanceoftheirduty.It GENERAL: Whilenotoperatedunderthe mightbetermeda"CarDropper'sCar".Itis supervisionof,theMechanicalDepartment, protectedbyhouse,aroundwhichrunsa railwayservicecarshavebeenofficially platformandrailing,alongrunningboardon recognizedandclassifiedbytheMechanical sidesneargroundandisfittedwithbenches, DivisionoftheAssociationofAmerican toolboxandstove. Railroads. YM -YardPolingCar.Thiscarusedinhump MWB -BallastCar.Alldescriptionsofcars classificationandflat-yardclassification.This usedforthepurposeofcarryingballastforthe carisusuallyfittedwithsmallhouseor layingofnewrightofwayandrepairs.Thecar protection,andbenches,toolboxandstove,a usedgenerallyforthisworkisoftheGondola counterweightedpoleoneachsideand Type,withsideorcenterdump. runningboardorstepnearthegroundfor MWC- CabooseandToolCar.Similartotool convenienceofyardmen.Itisprotectedwith car,buthavingoneendfittedupasacaboose, safetyapplian cesand,wheninuse,coupledto withbunks,stoveandwaterstorage,withor anengine. withoutlookout,andisusedineitherworkor wreckingtrains. MWD -DumpCar.Onthistypeofcontractor's car,usedforbuildingupfills;thebodyofthe cardumps,beingraisedbymeansof counterweight,airorhandpower. MWE -BallastSpreaderandTrimmer.Acar withbladesorwingsforspreadingortrimming ballast. Sheet#: D9c.2 Title: CLASSIFICATION DATDATAASHEESHEETT OFFREIGHT,GENERAL ©NATIONALMODELRAILROADASSOCIATION SERVICEAND MAINTENANCEOFWAY CARS MAINTENANCEOFWAY -continued Page: 10of11 MWF -FlatCar.Usedfortransportingrails, ties,orballastandforstorageofwrecking MAINTENANCEOFWAY -continued trucks,orgatheringscrapsalongrightofway. boomandhoistfittedtoframeofflatcarand Thesecarsareattimesequippedwithlow liftingdonebymeansofhandpower;propelled sides,about10or12incheshigh. byalocomotive. MWG -SectionGangorTrackInspectionCar. MWV -WreckingDerrick.Thisderrickhas FlatCar,withorwithoutseatsortoolboxes, boomandhoistfittedtoflatcarandhaving andequippedwithsingleordoublecylinder drumatoneendtofurnishmeansofhoisting; gasolineengineservingasmotivepower. steamfurnishedtodonkeyengine,running MWH -HandCar.Thiscarisflatandmounted drum,bymeansofflexiblesteamlinefrom onfourwheelsandpropelledbymeansof attachedlocomotive;propelledbya pushing,knownas"PushCar". locomotive. MWJ -BallastUnloaderCar.Acarequipped MWW -WreckingDerrick.Aderrickusedfor withmachineryforpullingaplowthroughcars wreckingpurposeshavingdonkeyengineto loadedwithballast. raiseandlowerboomsandhoists;engine MWK -Snow -RemovingCar.Acarequipped housedinandonseparateplatformwithboom, withanyspecialdeviceforremovingsnowfrom ispivotedincenterofcarframeinorderthatit betweenoralongsideofrails. canbeworkedon eithersideorends;usually MWL -HandCar.Thisisasmallflatcar,with fittedwithanchorbeamstobeusedforheavy orwithoutseats,mountedonfourwheelsand lifting.Fittedwithsafetyappliancesand propelledbymeansofcranksorhandlevers. propelledbymeansofalocomotive.Lifting MWM -Store-SupplyCar.Acarequippedfor capacityintonsshownbymeansoffigures. handlingmaterialtobedistributedforrailway Thelocomotivecraneisconstructedalongthe use. samegenerallinesasthistypeofwrecking MWP -PileDriver.Acarequippedwith derrickandisusedextensivelyinrailway machineryforpiledriving. service. MWS -SteamShovel.Acarequippedwith MWX -BoardingOutfitCar.Thisincludescars housedindonkeyengine,havingaboomof usedforboarding,sleepingorcooking woodorsteelandtheendofwhichisashovel purposesinconstructionandsimilarwork. orscoop.Itmaybepropelledbyitsownpower DitchingCar. Acarequippedwithmachinery orbymeansofalocomotiveandrunasacar forpropellingitself,orotherwise,and infr eighttrains,beingequippedwithsafety excavatingditchesalongthesidesofthetrack appliances.Thecubiccapacityofshovels,in asitp roceeds. yards,canbeindicatedbyfiguresafter GrassCutter. Acarequippedwithmachinery classificationletters. forpropellingitself,orotherwise,andcutting MWT -ToolandBlockCar.Acarusedfor grassalongthetrackasitproceeds. carryingalldescriptionsoftoolequipmentand RailBender. Acarequippedwithmachinery blocking.Thiscarhassideandendhousings, forbendingtrackrailsandsimilarmaterial. androof,alsoendplatforms.Therearedoors RailSaw. Acarequippedwithmachineryfor insidesandendsandusuallywindows.Itis sawingtrackrailsandsimilarmaterial. fittedinsidewithproperracksandboxesfor TrackLayer. Acarequippedwithmachinery storageoftools forpropellingitself,orotherwise,andlaying MWU -WreckingDerrick.Thisderrickhas trackaheadofitasitproceeds. Sheet#: D9c.2 Title: CLASSIFICATION DATDATAASHEESHEETT OFFREIGHT,GENERAL ©NATIONALMODELRAILROADASSOCIATION SERVICEAND MAINTENANCEOFWAY CARS MAINTENANCEOFWAY -continued Page: 11of11 WeedExterminator. Acarequippedwith machineryforpropellingitself,orotherwise, andburningorsprayingweedsalongthetrack asitproceeds.

Class"NM"4WheelCaboose

Class"LP"PulpwoodCar

Class"FMS"FlatCar