WIXLIB

Spicer Tandem Axles Illustrated Parts ListAXIP0085aJanuary 1994Single Reduction, Dual Range, & Double ReductionAddendum 461, 462, 463, 521, 58146,000 - 65,000 lbs

IntroductionContentsSingle Reduction w/Wheel Differential Lock - Forward AxleDD461-P DD521-P DD581-P ------------------------------------------------- 2-6Differential Lockout Assembly -------------------------------------------------- 7Pinion Bearing Spacers -------- 7Single Reduction w/Wheel Differential Lock - Rear AxleRD461 RD521 RD581 ------- 8-9Shift SystemPiston Air Shift Unit ------- 10-11AppendixCarrier Exchange Assemblies -------------------------------------------------- 12Drive Pinion and Gear Set ---- 12Axle Shaft Chart --------------- 13The following models are represented in this publicationSingle Reduction Models w/Wheel Differential LockForward AxleRear AxleAxle CapacityGear SizeDD-461-PDD-521-PRD-461RD-52146,000 lbs52,000 lbs18" Gear18" GearDD-581-PRD-58158,000 lbs18" GearModel IdentificationUsing Model Designation to Identify Axle Components The Axle Model Identification number contains information that is important to understand when purchasing service parts or new components.The Model identification number provides important vehicle, capacity and application information and model features. Use this guideline tounderstand your Axle Model Identification. If you need assistance, contact your Dana representative.D D - 4 6 1 - PGearingLube PumpD - Forward Tandem AxleR - Rear Tandem AxleP Standard(P) OptionalS - Single ReductionT - Dual RangeP - Double ReductionC - Controlled TractionD - Single Reduction withWheel Differential LockA - Single Reduction withIn-Axle Speed Sensors (IASS)Design LevelExample:DS Forward Tandem/Single ReductionorRS Rear Tandem/Single ReductionCapacity (x 1000)Example: 46 46,0001

Single Reductionw/Wheel Differential LockForward Axle453 545557 58 5956612 319 810131211456011719 15 1617 18DIFFERENTIAL& RING GEAR2030LHRH212222324 33293132 35 3438 36 37 34 3528272625

Single Reductionw/Wheel Differential LockForward Axle626465666772707675 747778799280 81 8283947173938485 86 87 8990 9188THESE PARTSARE MOUNTEDIN POWERDIVIDER COVER10710639314041424345464443474048504952 4951LUBE PUMP95105 104 96929897101100 102991033DD521-P68 LY

Single Reductionw/Wheel Differential LockForward AxleItemDescriptionQtyOrder Part No.NotesBASIC OVERHAUL KIT1217621Contents Identified with *1DIFF CARRIER & BRG CAP KITCarrier Casting No. 110500 -NSS1106710Includes Items: 2-5, 10-1845521 cover plate & 107276 RTV23Bearing Cap ScrewFlat Washer44327323291245LockwireDowel Bushing42125633273067Brg Cap Adjuster Lock (RH)Capscrew124544821060189Brg Cap Ajuster Lock (LH)Cotter Pin (LH)1114275908761011Expansion Plug (Upper)Expansion Plug (Lower)1130703*9797*1213Filler PlugSHIFT FORK SHAFT ASSY119032511380114Shaft# 41103 -NSSCarrier Cover Dowel Pin276411516Shift Unit Mounting StudShift Fork Seal & Spring Assy211198631198551718Flat WasherStud Nut2211985763028192021Shift Fork & Roller AssyShift Unit AssySliding Clutch111845082223Diff Brg Adjuster (RH)Diff Brg Cup (RH)118245121632*2425Diff Brg Cone (RH)Diff Brg Adjuster (LH)11102660*216372627Diff Brg Cup (LH)Diff Brg Cone (LH)1115092*27876*WHEEL DIFF CASE KITSRatios 3.55-4.111See: Piston Air Shift Unit, Pg 10-1193508821761928Ratios 4.33-6.67Diff Case (Plain Half) NSS129Diff Case (Flanged Half) NSS13031Diff Case CapscrewRing Gear & Drive Pinion Set121885033233BoltNut16166758660600WHEEL DIFF SIDE GEAR KITWHEEL DIFF KIT w/o SIDE GEARSIncludes Items 28-3021762086777-NSS128980-NSS128981-NSSRatios 3.55-4.11Ratios 4.33-6.67See: Gear & Pinion Listing, Pg 121144721187493435Diff Side Gear - 36 InvoluteSide Gear Thrust Washer229340127274*3637Side PinionSide Pinion Thrust Washer448678086781*38Spider18677843/4"Includes 113140 O-RingIn kit 70745In kit 70745Includes Items 34-38Includes Items 35-38

Single Reductionw/Wheel Differential LockForward AxleItemQtyOrder Part No.39Pinion Pilot Brg1126187*4041Pinion Brg ConePinion Brg Spacer Washer2114218*78904*4243Pinion Brg SpacerPinion Brg Cup44PINION BRG CAGE & CUP ASSYCage # 78932 -NSS45Pinion Brg Cage Shim.003"AR21NotesDD461-PDD581-PDescriptionSee: Pinion Brg Spacer Chart, Pg 714217*78914Includes Item 2830*45463*4647LockwasherBearing Cage Capscrew6637207621584849Pinion Helical GearOuter Pinion Support Brg & Race Assy1111999578916*5051Pinion Shaft End NutPinion Nut Spring Pin111261821188075253Outer Pinion Brg Snap RingOutput Shaft Nut1178937*210508545556Output Shaft WasherRear Brg Retaining WasherAXLE HSG COVER ASSY11121050978922107863Includes Items 57-5957Cover# 84546 -NSSOutput Shaft Oil Seal1210737*Microlip Design5859Bearing Snap RingOutput Shaft Brg Assy1178937*78936*Inner Race 118787-NSS60Magnetic Filler Plug175130Outer Race 118788-NSS1"61Filler PlugOUTPUT SHAFT KIT119089812241962Shaft# 119991-NSS 41 SPL, 2.100" dia.Output Shaft Bushing148922*6364Output Shaft O-RingOutput Shaft Brg Cup2178931*24328*6566Output Shaft Brg ConeOutput Shaft Side Gear1124330*789116768Side Gear Snap RingOutput Shaft Compression Spring1185994*1270956970Output Shaft Thrust BearingINTER-AXLE DIFF ASSY1151228121681Includes Items 71-7671INTER-AXLE DIFF CASE KITCase Half 126151-NSS1211252Includes Items 72-737273Case BoltCase Nut8857636576377475Side PinionSide Pinion Thrust Washer4495218126180*1/2"Includes Items 53-54, 62-63, 675

Single Reductionw/Wheel Differential LockForward AxleItemDescriptionQtyOrder Part No.77Helical Side Gear Snap Ring178Helical Side Gear & Bushing AssyGear# 113328-NSS17980Helical Side Gear BushingHelical Side Gear Thrust Washer2175063*79034*8182Helical Side Gear ”D” WasherLockout Sliding Clutch1156360*11994883INPUT SHAFT KITShaft# 119990-NSS, 46 SPL, 2.350" dia.11224188485Input Shaft Brg ConeInput Shaft Brg Cup1186Input Bearing Cover Shim.003"Notes78909*113331Includes Item 79Includes Item "INPUT BRG COVER ASSY1113130*11169188Cover# 111690-NSSBearing Cover Capscrew51262438990Input Shaft Oil SealInput Shaft Nut Washer11210736*126242*9192Input Shaft NutPDU CARRIER COVER ASSYCover# 103526-NSS1112615510353693Carrier Cover Capscrew81900699309ShortLong1108185590417Socket Head94Lockwasher9596Pipe PlugExpansion Plug1190325979797Magnetic Filter ScreenLUBE PUMP REPLACEMENT KIT1102611*1213029899Pump Gear & Shaft AssyCover O-Ring11102625102620*100101Lube Pump CoverLockwasher1410260790419102103Cover CapscrewCover Dowel Pin42102618102617104105Pump Drive GearDrive Gear Locknut11119946111451106107AIR-OPER. LOCKOUT ASSYSHIFT FORK & PUSH ROD ASSY11123218103529108RTV - Sealant6AR107276*Includes Items 85 & 89Microlip DesignIncludes Items 95-96Includes Items 98-105See: Differential Lockout Assy, Pg 7

Single Reductionw/Wheel Differential LockDifferential Lockout Assembly10896754321DD461-PDD581-PDD521-PPart NameQtyOrder Part No.1Capscrew221038123LockwasherMounting Bracket219041512767545Piston HousingLocknut1111992312816067PistonPiston O-Ring1111991221018089Shoulder WasherCompression Spring11210452310381AR1035291072761011Shift Fork & Push Rod AssyRTV SealantRemarksLockout AssemblyItemKits And AssembliesAir-Operated Lockout Assy.123218Includes Items 1-10Air Lockout Repair Kit211198Includes Items 5-9Piston Kit121333Includes Items 3-8Pinion Bearing SpacersPinion Bearing SpacersPinion Bearing Spacer size is equal to thickness in inches. The most commonly used spacers are indicatedwith an .185.18691702*91704*.195.19691720*917217

Single Reductionw/Wheel Differential LockRear Axle2021 222834363733342729262524RHLH303335311619 15 14321113981218 174431045387 6 1 3Item51Description122739 40 41 42 44QtyOrder Part No.BASIC OVERHAUL KIT12176221DIFF CARRIER & BRG CAP KITCarrier Casting No. 127218R -NSS1985902Bearing Cap Screw223273212718034Flat WasherLockwire44329121256356Dowel BushingBrg Cap Adjuster Lock (RH)21327301427578Cotter Pin (RH)Brg Cap Ajuster Lock (LH)119087645448910Adjuster Lock CapscrewDowel Bushing -Adjuster Lock22210601377461112Expansion Plug (Upper)Expansion Plug (Lower)1113SHIFT FORK SHAFT ASSYShaft# 41103 -NSS11138011415Stud NutFlat Washer226302811985784647 4849 50NotesContents Identified with *Includes Items: 2-5, 10-1745521 cover plate & 107276 RTV30703*9797*Includes 113140 O-Ring23

Single Reductionw/Wheel Differential LockRear AxleDescriptionQty16Shift Fork Seal & Spring Assy1119855*1718Shift Fork Mounting StudShift Fork & Roller Assy21119863845081920Shift Unit AssyDiff Brg Adjuster (RH)11216372122Diff Brg Cup (RH)Diff Brg Cone (RH)1115092*27876*2324Sliding ClutchDiff Brg Adjuster (LH)11935088824512526Diff Brg Cup (LH)Diff Brg Cone (LH)1121632*102660*27Ring Gear & Drive Pinion SetWHEEL DIFF CASE KITS112829Diff Case (Plain Half) NSSDiff Case (Flanged Half) NSSNotesSee: Piston Air Shift Unit, Pg 10-11RD521Ratios 3.55-4.11Ratios 4.33-6.67Order Part No.RD461RD581ItemSee: Gear & Pinion Listing, Pg 12Includes Items 50330Diff Case Capscrew123132BoltNut1616WHEEL DIFF SIDE GEAR KITWHEEL DIFF KIT w/o SIDE GEARS67586606001144721187493334Diff Side Gear - 36 InvoluteSide Gear Thrust Washer229340127274*3536Side PinionSide Pinion Thrust Washer448678086781*3738SpiderPinion Pilot Brg1186778126187*3940Pinion Brg Cone (Inner)Pinion Brg Spacer Washer1127239*31366*4142Pinion Brg SpacerPinion Brg Cup (Inner)AR127238*43PINION BRG CAGE & CUP ASSYCage# 210591-NSS44Pinion Brg Cage Shim.003"1Ratios 3.55-4.11Ratios 4.33-6.67In kit 70745In kit 70745Includes Items 33-37Includes Items 34-37See: Pinion Brg Spacer Chart, Pg 7210592Includes Items 42 & 924*4546Pinion Brg Cup (Outer)Brg Cage Capscrew1614217*1133274748Pinion Brg Cone (Outer)Pinion Oil Seal1114218*210724*4950Flat WasherPinion Nut1121050921050851RTV SealantARMicrolip Design107276*9

Shift SystemPiston Air Shift Unit1819129101314152017162111223 5 24 25 142678 232661804-6-9410

Shift SystemPiston Air Shift UnitItemDescriptionQty1COVER ASSY1DD Models - cover# 73484 -NSSRD Models - cover# 73485 -NSSOrder Part No.Notes129032129033Includes Item 2Cover BearingScrew & Washer Assy17734818805345Cover GasketCover Plug11734882832567Actuating Lever PinClevis Pin1173456734988ACTUATING LEVER, PIN & BLOCK ASSY 1DD Models129025RD ModelsShift Hsg Cover1129029734901011Seal RingCover Bolt1473492734911213Lock NutLock Felt Piston Oiler (strip)Piston O-RingGrommet2119691632832328261920Push RodCompression Spring1173497734942122Piston StopHOUSING ASSY11734959DD ModelsRD ModelsSelf-TappingPiston Air Shift Unit23Includes Items 3 & 2382428824292324Housing BearingSwitch11734811290352526Nylon WasherWiring Harness11129034129044Metri-pack 150 series129046129047Metri-pack 280 series (Mack Only)Weather PackPiston Air Shift Unit & Wiring HarnessPiston Air Shift Unit & Wiring Harness129068129069Incls Items 1-25 & Wiring Harness129044Incls Items 1-25 & Wiring Harness 129046Piston Air Shift Unit & Wiring Harness129070Incls Items 1-25 & Wiring Harness 129047Piston Air Shift Unit & Wiring HarnessPiston Air Shift Unit & Wiring Harness129065129066Incls Items 1-25 & Wiring Harness 129044Incls Items 1-25 & Wiring Harness 129046Piston Air Shift Unit & Wiring Harness129067Incls Items 1-25 & Wiring Harness 129047Kits And AssembliesDD ModelsRD Models11

AppendixDrive Pinion and Gear SetSingle Reduction - 18" GearingRatiosForward Axle Models: DD461-P, DD521-P, DD581-PRear Axle Models: RD461, RD521, RD581Gear SetGear SetGear (NSS)Pinion (NSS)Gear (NSS)41,2.100" Dia.Pinion (NSS)41,2.100" 3288128030(39)53007(40)128031(6)126124(6)Carrier Exchange AssembliesThese assemblies are complete, less input yoke and shift units.Single Reduction w/Differential LockGear 76.506.6767533667533767534867534936 Involute12