Illustrated Parts List - Canada-Wide Parts

1 Spicer Tandem AxlesIllustrated Parts ListAXIP0085aJanuary 1994 Single Reduction, Dual Range, & Double ReductionAddendum 461, 462, 463, 521, 581 46,000 - 65,000 lbs1 IntroductionSingle Reduction w/Wheel Differential Lock - Forward AxleDD461-P DD521-P DD581-P--------------------------------- ----------------2-6 Differential Lockout Assembly ---------------------------------------- ---------- 7 Pinion Bearing Spacers ---------------------------------------- ------------------ 7 Single Reduction w/Wheel Differential Lock - Rear AxleRD461 RD521 RD581----------------------------------- ----------------------8-9 Shift SystemPiston Air Shift Unit ---------------------------------------- ----------------- 10-11 AppendixCarrier Exchange Assemblies ---------------------------------------- ----------12 Drive Pinion and Gear Set ---------------------------------------- --------------12 Axle Shaft Chart ---------------------------------------- ------------------------- 13 ContentsThe following models are represented in this publicationSingle

2 Reduction Models w/Wheel Differential LockForward AxleRear AxleAxle CapacityGear SizeDD-461-PRD-46146,000 lbs18" GearDD-521-PRD-52152,000 lbs18" 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 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. DD -461-PGearingCapacity (x 1000)Design LevelLube PumpD - Forward Tandem AxleR - Rear Tandem AxleS - Single ReductionT - Dual RangeP - Double ReductionC - Controlled TractionD - Single Reduction with Wheel Differential LockA - Single Reduction with In-Axle Speed Sensors (IASS)Example:DS = Forward Tandem/Single ReductionorRS = Rear Tandem/Single ReductionExample.

3 46 = 46,000 P = Standard(P) = Optional2 Forward Axle5354555758595661560742319830 DIFFERENTIAL& RING GEAR212223243329313235343836373435282726 25 RHLH10131211411191516171820 Single Reductionw/Wheel Differential Lock3 Forward AxleDD461-PDD521-PDD581-PSingle Reductionw/Wheel Differential Lock61626364656667 INTER-AXLEDIFFERENTIALASSEMBLY6869707271 757476737177787980 81 82838492949385 86 87 8990 9188106107393140414243454446474340484950 52 4951959899100101102105 104 969297103 THESE PARTSARE MOUNTEDIN POWERDIVIDER COVERLUBE PUMP4 ItemDescriptionQtyOrder part AxleBASIC OVERHAUL KIT1217621 Contents Identified with *1 DIFF CARRIER & BRG CAP KIT1106710 Includes Items: 2-5, 10-18 Carrier Casting No. 110500 -NSS45521 cover plate & 107276 RTV2 Bearing Cap Screw4 327323 Flat Washer4 329124 Lockwire4 125635 Dowel Bushing2 327306 Brg Cap Adjuster Lock (RH)1 454487 Capscrew22106018 Brg Cap Ajuster Lock (LH)1 142759 Cotter Pin (LH)1 9087610 Expansion Plug (Upper)1 30703*11 Expansion Plug (Lower)1 9797*12 Filler Plug1 903253/4"13 SHIFT FORK SHAFT ASSY1113801 Includes 113140 O-RingShaft# 41103 -NSS14 Carrier Cover Dowel Pin2 764115 Shift Unit Mounting Stud211986316 Shift Fork Seal & Spring Assy111985517 Flat Washer211985718 Stud Nut2 6302819 Shift Fork & Roller Assy1 8450820 Shift Unit Assy1 See.

4 Piston Air Shift Unit, Pg 10-1121 Sliding Clutch193508822 Diff Brg Adjuster (RH)1 8245123 Diff Brg Cup (RH)1 21632*24 Diff Brg Cone (RH)1102660*25 Diff Brg Adjuster (LH)1 2163726 Diff Brg Cup (LH)1 15092*27 Diff Brg Cone (LH)1 27876*WHEEL DIFF CASE KITS1 Ratios Items 28-30 Ratios Case (Plain Half) NSS1 86777-NSS29 Diff Case (Flanged Half) NSS1128980-NSSR atios Case Capscrew12 8850331 Ring Gear & Drive Pinion Set1 See: Gear & Pinion Listing, Pg 1232 Bolt16 67586In kit 7074533 Nut16 60600In kit 70745 WHEEL DIFF SIDE GEAR KIT114472 Includes Items 34-38 WHEEL DIFF KIT w/o SIDE GEARS118749 Includes Items 35-3834 Diff Side Gear - 36 Involute2 9340135 Side Gear Thrust Washer2 27274*36 Side Pinion4 8678037 Side Pinion Thrust Washer4 86781* 38 Spider1 86778 Single Reductionw/Wheel Differential Lock5 Forward AxleItemDescriptionQtyOrder part Pilot Brg1126187*40 Pinion Brg Cone2 14218*41 Pinion Brg Spacer Washer1 78904*42 Pinion Brg SpacerARSee: Pinion Brg Spacer Chart, Pg 743 Pinion Brg Cup2 14217*44 PINION BRG CAGE & CUP ASSY178914 Includes Item 43 Cage # 78932 -NSS45 Pinion Brg Cage " 45461*.

5 005" 62829*.010" 45462*.020" 62830*.030" 45463*46 Lockwasher63720747 Bearing Cage Capscrew662158 48 Pinion Helical Gear111999549 Outer Pinion Support Brg & Race Assy1 78916*50 Pinion Shaft End Nut112618251 Pinion Nut Spring Pin111880752 Outer Pinion Brg Snap Ring1 78937*53 Output Shaft Nut121050854 Output Shaft Washer121050955 Rear Brg Retaining Washer17892256 AXLE HSG COVER ASSY1107863 Includes Items 57-59 Cover# 84546 -NSS57 Output Shaft Oil Seal1210737*Microlip Design58 Bearing Snap Ring1 78937*59 Output Shaft Brg Assy1 78936*Inner Race 118787-NSSO uter Race 118788-NSS60 Magnetic Filler Plug1751301"Filler Plug1908981/2"61 OUTPUT SHAFT KIT1122419 Includes Items 53-54, 62-63, 67 Shaft# 119991-NSS 41 SPL, " Shaft Bushing1 48922*63 Output Shaft O-Ring2 78931*64 Output Shaft Brg Cup1 24328*65 Output Shaft Brg Cone1 24330*66 Output Shaft Side Gear17891167 Side Gear Snap Ring1 85994*68 Output Shaft Compression Spring112709569 Output Shaft Thrust Bearing15122870 INTER-AXLE DIFF ASSY1121681 Includes Items 71-7671 INTER-AXLE DIFF CASE KIT1211252 Includes Items 72-73 Case Half 126151-NSS72 Case Bolt85763673 Case Nut85763774 Side Pinion49521875 Side Pinion Thrust Washer4126180*Single Reductionw/Wheel Differential Lock6 Forward AxleItemDescriptionQtyOrder part Side Gear Snap Ring1 78909*78 Helical Side Gear & Bushing Assy1113331 Includes Item 79 Gear# 113328-NSS79 Helical Side Gear Bushing2 75063*80 Helical Side Gear Thrust Washer1 79034*81 Helical Side Gear D Washer1 56360*82 Lockout Sliding Clutch111994883 INPUT SHAFT KIT1122418 Includes Item 91 Shaft# 119990-NSS.

6 46 SPL, " Shaft Brg Cone1 98387*85 Input Shaft Brg Cup1 98388*86 Input Bearing Cover " 78918*.005" 78919*.010" 78920*.020"113130*87 INPUT BRG COVER ASSY1111691 Includes Items 85 & 89 Cover# 111690-NSS88 Bearing Cover Capscrew512624389 Input Shaft Oil Seal1210736*Microlip Design90 Input Shaft Nut Washer1126242*91 Input Shaft Nut112615592 PDU CARRIER COVER ASSY1103536 Includes Items 95-96 Cover# 103526-NSS93 Carrier Cover Capscrew890069 Short19309 Long181855 Socket Head94 Lockwasher109041795 Pipe Plug19032596 Expansion Plug1979797 Magnetic Filter Screen1102611*LUBE PUMP REPLACEMENT KIT121302 Includes Items 98-10598 Pump Gear & Shaft Assy110262599 Cover O-Ring1102620*100 Lube Pump Cover1102607101 Lockwasher490419102 Cover Capscrew4102618103 Cover Dowel Pin2102617104 Pump Drive Gear1119946105 Drive Gear Locknut1111451106 AIR-OPER. LOCKOUT ASSY1123218 See: Differential Lockout Assy, Pg 7107 SHIFT FORK & PUSH ROD ASSY1103529108 RTV - SealantAR107276*Single Reductionw/Wheel Differential Lock7DD461-PDD521-PDD581-PPinion Bearing SpacersPinion Bearing Spacer size is equal to thickness in inches.

7 The most commonly used spacers are indicatedwith an asterix*.Size" part #Size" part #Size" part #S ize" part #. *.18791706*. *.18891708*.19891723*. *.18991710*. *. *. *. *.19391718*. *. *.19591720*. *.19691721 ItemPart NameQtyOrder part Bracket11276754 Piston Housing11199235 Locknut11281606 Piston11199127 Piston O-Ring12101808 Shoulder Washer12104529 Compression Spring13103810 Shift Fork & Push Rod Assy110352911 RTV SealantAR107276 Kits And AssembliesAir-Operated Lockout Items 1-10 Air Lockout Repair Kit211198 Includes Items 5-9 Piston Kit121333 Includes Items 3-8 Differential Lockout AssemblyLockout AssemblyPinion Bearing SpacersSingle Reductionw/Wheel Differential Lock108967543218 Rear AxleSingle Reductionw/Wheel Differential Lock76135112382739 40 41 42 444647 4849 5024189101113181716191514434530333531 RHLH322021 22283436373334272926252423 BASIC OVERHAUL KIT1217622 Contents Identified with *1 DIFF CARRIER & BRG CAP KIT198590 Includes Items: 2-5, 10-17 Carrier Casting No.

8 127218R -NSS45521 cover plate & 107276 RTV2 Bearing Cap Screw23273221271803 Flat Washer4329124 Lockwire4125635 Dowel Bushing2327306 Brg Cap Adjuster Lock (RH)1142757 Cotter Pin (RH)1908768 Brg Cap Ajuster Lock (LH)1454489 Adjuster Lock Capscrew221060110 Dowel Bushing -Adjuster Lock23774611 Expansion Plug (Upper)1 30703*12 Expansion Plug (Lower)1 9797*13 SHIFT FORK SHAFT ASSY1113801 Includes 113140 O-RingShaft# 41103 -NSS14 Stud Nut26302815 Flat Washer2119857 ItemDescriptionQtyOrder part AxleItemDescriptionQtyOrder part Fork Seal & Spring Assy1119855*17 Shift Fork Mounting Stud211986318 Shift Fork & Roller Assy18450819 Shift Unit Assy1 See: Piston Air Shift Unit, Pg 10-1120 Diff Brg Adjuster (RH)12163721 Diff Brg Cup (RH)1 15092*22 Diff Brg Cone (RH)1 27876*23 Sliding Clutch193508824 Diff Brg Adjuster (LH)18245125 Diff Brg Cup (LH)1 21632*26 Diff Brg Cone (LH)1102660*27 Ring Gear & Drive Pinion Set1 See.

9 Gear & Pinion Listing, Pg 12 WHEEL DIFF CASE KITS1 Includes Items 28-30 Ratios Case (Plain Half) NSS1 86777-NSS29 Diff Case (Flanged Half) NSS1128980-NSSR atios Case Capscrew128850331 Bolt1667586In kit 7074532 Nut1660600In kit 70745 WHEEL DIFF SIDE GEAR KIT114472 Includes Items 33-37 WHEEL DIFF KIT w/o SIDE GEARS118749 Includes Items 34-3733 Diff Side Gear - 36 Involute29340134 Side Gear Thrust Washer2 27274*35 Side Pinion48678036 Side Pinion Thrust Washer4 86781*37 Spider18677838 Pinion Pilot Brg1126187*39 Pinion Brg Cone (Inner)1 27239*40 Pinion Brg Spacer Washer1 31366*41 Pinion Brg SpacerARSee: Pinion Brg Spacer Chart, Pg 742 Pinion Brg Cup (Inner)1 27238*43 PINION BRG CAGE & CUP ASSY1210592 Includes Items 42 & 45 Cage# 210591-NSS44 Pinion Brg Cage " 67920*.005" 67921*.010" 67922*.020" 67923*.030" 67924*45 Pinion Brg Cup (Outer)1 14217*46 Brg Cage Capscrew611332747 Pinion Brg Cone (Outer)1 14218*48 Pinion Oil Seal1210724*Microlip Design49 Flat Washer121050950 Pinion Nut121050851 RTV SealantAR107276*Single Reductionw/Wheel Differential LockRD461RD521RD58110 Piston Air Shift Unit129101314151716181920211122351426823 726242561804-6-94 Shift System11 Piston Air Shift UnitItemDescriptionQtyOrder part ASSY1DD Models - cover# 73484 -NSS129032 Includes Item 2RD Models - cover# 73485 -NSS1290332 Cover Bearing1734813 Screw & Washer Assy788053 Self-Tapping4 Cover Gasket1734885 Cover Plug1283256 Actuating Lever Pin1734567 Clevis Pin1734988 ACTUATING LEVER, PIN & BLOCK ASSY 1DD Models129025RD Models1290299 Shift Hsg Cover17349010 Seal Ring17349211 Cover Bolt47349112 Lock Nut44764113 Lock Nut17349614 Washer111140615 Piston17349316 Felt Piston Oiler (strip)

10 29691617 Piston O-Ring13283218 Grommet13282619 Push Rod17349720 Compression Spring17349421 Piston Stop17349522 HOUSING ASSY1 Includes Items 3 & 23DD Models82428RD Models8242923 Housing Bearing17348124 Switch112903525 Nylon Washer112903426 Wiring Harness1129044 Metri-pack 150 series129046 Metri-pack 280 series (Mack Only)129047 Weather PackKits And AssembliesDD ModelsPiston Air Shift Unit & Wiring Harness129068 Incls Items 1-25 & Wiring Harness129044 Piston Air Shift Unit & Wiring Harness129069 Incls Items 1-25 & Wiring Harness 129046 Piston Air Shift Unit & Wiring Harness129070 Incls Items 1-25 & Wiring Harness 129047RD ModelsPiston Air Shift Unit & Wiring Harness129065 Incls Items 1-25 & Wiring Harness 129044 Piston Air Shift Unit & Wiring Harness129066 Incls Items 1-25 & Wiring Harness 129046 Piston Air Shift Unit & Wiring Harness129067 Incls Items 1-25 & Wiring Harness 129047 Piston Air Shift UnitShift System12 Drive Pinion and Gear SetSingle Reduction - 18" GearingForward Axle Models: DD461-P, DD521-P, DD581-PRear Axle Models.