Spicer ASO125-10S Parts Manual
Drive Gear Group -Input Main Section
Item A-3Item B-2Item B-1Item A-1Item B-7Item B-6Item B-5Item B-4Item B-3Item B-12Item B-11Item B-9Item B-10Item B-8Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| A-1 | 201-35-2 | Shaft- Input (2 .00''-1 0 Spline #306 (1 .180" Dia .) Pilot | 1 | Call for availability | ||
| A-2 | 313645X | S/Assy Bearing & Belleville Snap Ring | 1 | $183.51 | Add to Cart | |
| A-3 | 201-381-1 | Snap Ring - Input Shaft | 1 | $3.15 | Add to Cart |
Mainshaft Group Main Section
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| B-1 | 201-8-49 | Gear - Drive (5th & 1Oth) (Sod | 1 | $377.24 | Add to Cart | |
| B-2 | 201-465-5 | Collar- Mis Clutch (4th ,5th & 9th 1Oth) | 1 | $172.90 | Add to Cart | |
| B-3 | 201-8-48 | Gear- Mainshaft (4th & 9th) (40D | 1 | $377.24 | Add to Cart | |
| B-4 | 201-8-46 | Gear- Mainshaft (3rd & 8th) (46D | 1 | $268.72 | Add to Cart | |
| B-5 | 201-465-2 | Collar- Mis Clutch (2nd ,3rd & 7th ,8th) | 1 | $176.98 | Add to Cart | |
| B-6 | 201-8-45 | Gear - Mainshaft (2nd & 7th) (62D | 1 | $512.66 | Add to Cart | |
| B-7 | 201-8-44 | Gear- Mainshaft (1st) (62D | 1 | $361.53 | Add to Cart | |
| B-8 | 201-465-2 | Collar- Mis Clutch (1st & Rev.) | 1 | $176.98 | Add to Cart | |
| B-9 | 201-8-10-1X | Gear - M/Shaft Reverse (Includes Thrust Ring & Reivets) | 1 | $657.38 | Add to Cart | |
| B-10 | 201-362-1-1X | Kit- Mainshaft & Snap Ring | 1 | $305.99 | Add to Cart | |
| B-11 | Mainshaft | 1 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| B-12 | 201-381-3 | Snap Ring - Mainshaft Drive Gear - Range | 1 | $8.09 | Add to Cart |
Countershaft Group Main Section
Item C-14Item C-10Item C-12Item C-4Item C-2Item C-3Item C-13Item C-5Item C-6Item C-8Item C-11Item D-5Item D-3Item D-1Item C-17Item D-4Item C-15Item D-2Item C-18Item C-16Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| C-1 | 201-30-14 | Countersaft - Main | 2 | Call for availability | ||
| C-2 | 201-210-4-2 | Key- Countershaft Gear- Middle | 2 | $4.19 | Add to Cart | |
| C-3 | 201-210-4-3 | Key- Countershaft Gear- Front | 2 | $11.02 | Add to Cart | |
| C-4 | 201-210-4-1 | Key- Countershaft Gear - Rear | 2 | $4.64 | Add to Cart | |
| C-5 | 201-196-36 | Gear Countershaft (1 St & 6th) (28T) | 2 | $168.73 | Add to Cart | |
| C-6 | 201-196-38 | Gear- Countershaft (2nd & 7th) (8T) | 2 | $238.80 | Add to Cart | |
| C-7 | 201-312-3 | Gear- Countershaft PTO Drive | 2 | $280.05 | Add to Cart | |
| C-8 | 201-196-42 | Gear - Countershaft (3rd & 8th) (39T) | 2 | $235.80 | Add to Cart | |
| C-9 | 201-196-40 | Gear- Countershaft (4th & 9th) (63T) | ·2 | $177.75 | Add to Cart | |
| C-10 | 201-47-2 | Ring - Countershaft Thrust (Flat) | 2 | $20.15 | Add to Cart | |
| C-11 | 201-47-5 | Ring Countershaft H .E Gear Thrust | 2 | $52.11 | Add to Cart | |
| C-12 | 201-196-41 | Gear- Countershaft H .E (5th & 1Oth) (59T) | 2 | $220.13 | Add to Cart | |
| C-13 | 551013 | Bearing - Cone Front Countershaft | 2 | $49.38 | Add to Cart | |
| C-14 | 550375 | Bearing - Cup Front Countershaft | 2 | $17.99 | Add to Cart | |
| C-15 | 201-47-3 | Ring - Countershaft (1st) Thrust | 2 | $14.83 | Add to Cart | |
| C-16 | 550182 | Bearing - Cone Rear Countershaft | 2 | $36.48 | Add to Cart | |
| C-17 | 550375 | Bearing - Cup Rear Countershaft | 2 | $17.99 | Add to Cart | |
| C-18 | 201-228-1-1 | Shim - Countershaft Rear Bearing ( .005 Thick) | NR | Call for availability | ||
| C-18 | 201-228-1-2 | Shim - Countershaft Rear Bearing (.01 0 Thick) | NR | Call for availability | ||
| C-18 | 201-228-1-3 | Shim - Countershaft Rear Bearing ( .015 Thick) | NR | Call for availability | ||
| C-18 | 201-228-1-4 | Shim - Countershaft Rear Bearing ( .020 Thick) | NR | Call for availability | ||
| C-18 | 201-228-1-5 | Shim - Countershaft Rear Bearing ( .030 Thick) | NR | Call for availability | ||
| D-1 | 201-360-1 | Plate - Retainer Countershaft | 2 | $10.03 | Add to Cart | |
| D-2 | 545002-1 | Screw- Plate Retaining Countershaft | 6 | $2.23 | Add to Cart | |
| D-3 | 201-196-12 | Gear- Countershaft Reverse - Range (21T) | 2 | $279.20 | Add to Cart | |
| D-4 | 330952 | Washer - Countershaft Reverse Drive Gear Retaining | 2 | $3.00 | Add to Cart | |
| D-5 | 545001-5 | Screw- Reverse Drive Gear Retaining Washer | 2 | Call for availability |
Countershaft and Synchronizer Group Range Section
Item E-2Item E-5Item E-4Item E-12Item E-11Item E-6Item E-3Item E-10Item E-1Item E-9Item E-8Item E-7Item E-16Item E-15Item E-17Item E-14Item E-13Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| E-1 | 550996 | Bearing - Countershaft Front | 2 | $61.00 | Add to Cart | |
| E-2 | 330955 | Washer - Countershaft Reverse Idler Thrust | 2 | $20.01 | Add to Cart | |
| E-3 | 201-5-2 | Gear- Reverse Idler Countershaft | 2 | $132.94 | Add to Cart | |
| E-4 | 550997 | Bearing -Needle Reverse Idler | 2 | $14.83 | Add to Cart | |
| E-5 | 201-30-12 | Countershaft S/Assy Range | 2 | $794.51 | Add to Cart | |
| E-6 | 551009 | Bearing - Countershaft Rear | 2 | Call for availability | ||
| E-7 | 201-47-6 | Ring - Thrust Mainshaft Drive Gear | 1 | $33.46 | Add to Cart | |
| E-8 | 201-8-51 | Gear- Mainshaft Head End (26T) | 1 | $217.67 | Add to Cart | |
| E-9 | 201-494-1 | Race - Synchronizer Outer | 1 | $204.93 | Add to Cart | |
| E-10 | 201-466-2 | Gear- Clutch Drive (High Range) | 1 | $180.99 | Add to Cart | |
| E-11 | 330954 | Washer- Mainshaft Clutch Gear Retaining (High Range) | 1 | $4.90 | Add to Cart | |
| E-12 | 545001-5 | Screw- Clutch Gear Retaining Washer (High Range) | 1 | Call for availability | ||
| E-13 | 313627-1X | Synchronizer- High & Low (Includes E-14 ,E-15 ,E-16) | 1 | $560.75 | Superseded by 20156311XAdd to Cart | |
| E-14 | S/Assy Synchronizer- Low Range | 1 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| E-15 | S/Assy. -Synchronizer- High Range & Springs | 1 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| E-16 | 201-72-1-1X | Kit- Synchronizer Springs (Includes (3) Springs) | 1 | $7.11 | Add to Cart | |
| E-17 | 201-465-4 | Collar - Clutch - High & Low Range | 1 | $205.39 | Add to Cart |
Mainshaft Group - Output Range Section
Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| F-1 | 201-362-3 | Output Shaft | 1 | Call for availability | ||
| F-2 | 313668X | Kit- Needle Bearing Output Shaft (Includes (2)pcs 550975) | 1 | $78.71 | Add to Cart | |
| F-3 | 201-8-41 | Gear - Output- Low Range (52T) | 1 | No longer available - Call for replacement | ||
| F-4 | 201-47-4 | Washer- Thrust Output Shaft | 1 | $34.68 | Add to Cart | |
| F-5 | 313628X | S/Assy. - Bearing And Spacer Output Shaft | 1 | $287.93 | Add to Cart | |
| F-5A | Bearing - Cone Output Shaft | 2 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| F-5B | Bearing - Cup Output Shaft | 2 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| F-SC | Spacer Bearing Cup Output Shaft | 1 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| F-5D | Spacer Bearing Cone Output Shaft | 1 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| F-6 | 201-37-6 | Spacer - Speedometer | 1 | Call for availability | ||
| F-6 | 201-452-1 | Electronic Speedometer Signal Gear (16 Grooves) | 1 | $86.79 | Add to Cart | |
| F-8 | 330734 | Washer - Output Shaft Nut | 1 | $6.27 | Add to Cart | |
| F-9 | 545065 | Nut- Output Shaft (1 .75"-16 UNEF-3B) | 1 | $31.43 | Add to Cart | |
| F-9 | 1710 | Full Round 6-4-661 1 5 .620 " 30 Degrees Stra Sided | Call for availability | |||
| F-9 | 1760 | Full Round 6 .3-4-651 6 .030 " 30 Degrees Stra Sided | Call for availability | |||
| F-9 | 1810 | Full Round 6 .5-4-3451 5 .880 " 30 Degrees Stra Sided | Call for availability |
Clutch Housing Group
Item G-13Item G-12Item G-8Item G-18Item G-22Item G-7Item G-15AItem G-23Item G-16Item G-15Item G-5Item G-19Item G-4Item G-21Item G-9Item G-8Item G-10Item G-7Item G-20Item G-6Item G-5Item G-5Item G-4Item G-2Item G-14Item G-1Item G-1AItem G-11Item G-3Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| G-1 | 201-518-10-2X | Clutch Housing Hand Hole Cover, Oil Troughs And Bushings | 1 | Call for availability | ||
| G-1A | Clutch Housing | 1 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| G-2 | 97-24-8 | Bushing -Clutch Release Shaft | 4 | $5.45 | Add to Cart | |
| G-3 | 97-96-18-1X | S/Assy. -Hand Hole Cover | 1 | Call for availability | ||
| G-4 | 201-468-1 | Oil Trough - Countershaft | 2 | $16.37 | Add to Cart | |
| G-5 | 545002-13 | Screw - Oil Troughs (2 Each) ( .375"-13 X 1 .375") | 6 | $2.29 | Add to Cart | |
| G-6 | 201-468-2 | Oil Trough - Drive Gear | 1 | Call for availability | ||
| N .S | 330934 | Magnet- Ceramic (Location Is Case Side Bottom) | $4.72 | Add to Cart | ||
| G-7 | 201-477-4 | Support - Shift Rails (Front & Rear) | 2 | Call for availability | ||
| G-8 | 545002-7 | Screw- Support Bar ( .375"-16 X 1 .50") (2 Each) | 4 | $2.33 | Add to Cart | |
| G-9 | 330969 | Lift Hook | 2 | $2.49 | Add to Cart | |
| G-10 | 545001-1 | Screw- Clutch Housing ( .500"-13 X 1 .375'') | 16 | $2.59 | Add to Cart |
Front Bearing Cap Group
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| G-11 | 201-19-2-1X | S/Assy. -Drive Gear Bearing Cap And Oil Seal | 1 | $215.72 | Add to Cart | |
| G-12 | Bearing Cap .. | 1 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| G-13 | 97-463-36-1X | Oil Seal - Drive Cap Bearing Cap (Wlinstallation Sleeve) | 1 | $38.68 | Add to Cart | |
| G-14 | 545002-1 | Screw- Drive Gear Bearing Cap ( .375"-16 X .875") | 4 | $2.23 | Add to Cart |
Main Case Group
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| G-15 | 201-15-5-1X | S/Assy. - Main Case (Includes G-15A Thru G-18) | 1 | Call for availability | ||
| G-15A | Case | 1 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| G-16 | 545123 | Plug - Filler & Drain | 1 | $22.03 | Add to Cart | |
| G-18 | 201-39-1 | Plug - Case Oil Return Hole | 1 | $2.67 | Add to Cart | |
| N .S | 330934 | Magnet- Ceramic (Location Is At Large PTO Opening) | 1 | $4.72 | Add to Cart | |
| N .S. | 330934 | Magnet- Ceramic (Location Is At Bottom Oil Return Hole) | 1 | $4.72 | Add to Cart | |
| G-19 | 201-438-3 | Pin - Dowel Case | 4 | $3.75 | Add to Cart | |
| G-20 | 545012 | Screw- PTO Aperture Cover (8 Hole) | 8 | $3.23 | Add to Cart | |
| G-21 | 73-267-1 | Cover- PTO (8 Hole) | 1 | $160.99 | Add to Cart | |
| G-22 | 150-267-2 | Cover - PTO (6 Hole) | 1 | Call for availability | ||
| G-23 | 330800 | Screw - PTO Aperture Cover | 6 | Call for availability |
Interlock Parts Group
Item H-5Item H-4Item H-3Item H-1Item H-2Item H-7Item H-6Item H-15Item H-14Item H-11Item H-12Item H-18Item H-17Item H-16Item H-13Item H-19Item H-8Item H-9Item H-16Item H-10Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| H-1 | 313630X | S/Assy. - Williams Control | 1 | Call for availability | ||
| H-2 | 545025-2 | Elbow - Williams Control 90 Degree | 2 | $28.71 | Add to Cart | |
| H-3 | 545028-6 | Screw- Williams Control ( .438"-14 X 2 .250 ") | 2 | $2.13 | Add to Cart | |
| H-4 | 545109 | Tee - Adapter Williams Control | 1 | $33.48 | Add to Cart | |
| H-5 | 545130 | Elbow - Williams Control | 1 | Call for availability | ||
| N .S | 201-420-7 | Tube Support (#38163 Legris Tube Support) | AIR | Call for availability | ||
| H-6 | 201-118-1 | Gasket- Williams Control | 1 | Call for availability | ||
| H-7 | 201-438-5 | Pin - Williams Air Control Valve | 3 | Call for availability | ||
| H-8 | 545128 | Plug - 1st And Reverse Spring Plunger | 2 | $2.84 | Add to Cart | |
| H-9 | 201-72-6 | Spring - 1 St And Reverse | 2 | Call for availability | ||
| H-10 | 40-438-1 | Pin -Plunger 1 St And Reverse | 2 | Call for availability | ||
| H-11 | 313538 | Switch -Back Up Light | 1 | $31.37 | Add to Cart | |
| H-12 | 201-438-2 | Pin - Actuating Back Up Light Switch | 1 | $3.68 | Add to Cart | |
| H-13 | 201-200-5 | Interlock- Shifter Rail | 1 | Call for availability | ||
| H-14 | 201-200-7 | Plate - Interlock Retainer | 1 | Call for availability | ||
| H-15 | 330801-1 | Screw - Interlock Plate ( .438"-14 X .875") | 2 | $2.67 | Add to Cart | |
| H-16 | 201-80-1 | Ball - Poppet | 4 | $7.47 | Add to Cart | |
| H-17 | 201-72-2 | Spring - Poppet Shift Rail | 3 | $3.23 | Add to Cart | |
| H-18 | 201-487-1 | Insert- Poppet Spring & Ball | 3 | Call for availability | ||
| H-19 | 201-72-7 | Spring - Poppet Shift Rail | 1 | Call for availability | ||
| H-20 | 201-487-2 | Insert - Poppet Spring & Ball | 1 | Call for availability |
Shift Lever and Tower Assemblies
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| H-20 | 201-17-6-1X | 201 -17-6 250-2661 -1 -1 X 31 .67 " 201 -483-4 Oval | Call for availability | |||
| H-20 | 201-17-6-2X | 201 -17-6 250-2661 -2 -1 X 30 .90 " 201 -483-5 Rect | Call for availability | |||
| H-20 | 201-17-6-3X | 201 -17-6 250-2661 -3-1 X 201 -483-5 Rect | Call for availability | |||
| H-20 | 201-17-6-4X | 201 -17-6 250-2661 -4-1 X 32 .30 " 201 -483-3 Oval | Call for availability | |||
| H-20 | 201-17-6-5X | 201 -17-6 250-2661 -5-1 X 32 .31 201 -483-3 Oval | Call for availability | |||
| H-20 | 201-17-6-SX | 201 -17-6 250 -2661 -12 -1X 29 .85 " 201 -483-3 Oval | Call for availability | |||
| H-20 | 201-17-6-7X | 201 -17-6 250 -2661 -1 1 -1X 30 .30 " 201 -483-3 Oval | Call for availability | |||
| H-20 | 201-17-6-8X | 201 -17-6 250 -2661 -1 1 -1 X 30 .30 201 -483-3 Oval | Call for availability | |||
| H-20 | 201-17-10-1X | 201 -17-10 250 -2661 -6-1 X 32 .55 " 201 -483-4 Oval | Call for availability | |||
| H-20 | 201-17-10-2X | 201 -17-10 250 -2661 -7-1 X 31 .78 " 201 -483-5 Rect | Call for availability | |||
| H-20 | 201-17-10-3X | 201 -17-10 250-2661 -8-1 X 34 .32 " 201 -483-4 Oval | Call for availability | |||
| H-20 | 201-17-10-4X | 201 -17-10 250-2661 -6-1 X 32 .55 201 -483-5 Rect | Call for availability | |||
| H-20 | 201-17-10-5X | 201 -17-10 250 -2661 -3 -2X 201 -483-5 Rect | Call for availability | |||
| H-20 | 201-17-10-SX | 201 -17-10 250-2661 -9-1 X 33 .27 201 -483-3 Oval | Call for availability | |||
| H-20 | 201-17-10-7X | 201 -17-10 250 -2661 -3 -2X 201 -483-4 Oval | Call for availability | |||
| H-20 | 201-17-10-8X | 201 -17-10 250 -2663-1 X 201 -483-5 Rect | Call for availability | |||
| H-20 | 201-17-10-9X | 201 -17-10 250 -2661 -10 -1 X 30 .09 201 -483-5 Rect | Call for availability |
Shift Bar and Fork Assemblies
Item SB-1Item SB-2Item SB-4Item SB-3Item SB-12Item SB-11Item SB-5Item SB-14Item SB-7Item SB-8Item SB-6Item SB-9Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| SB-1 | 313696X | Fork And Bar Assy 1 St And Reverse | 1 | Call for availability | ||
| SB-2 | 313694X | Fork And Bar Assy 2nd And 3rd | 1 | Call for availability | ||
| SB-3 | 201-67-15 | Overdrive Shift Bar- 4th And 5th | 1 | Call for availability | ||
| SB-4 | 201-67-16 | Auto Shift Rail | 1 | Call for availability | ||
| SB-5 | 545002 | Screw- Fork Mounting Bracket Overdrive ( .375" X 1 .00'') | 2 | $1.98 | Add to Cart | |
| SB-6 | 201-411-3-1X | Kit- Shift Fork Mounting Bracket, Pin And Snap Rings | 1 | $90.22 | Superseded by 20141151XAdd to Cart | |
| SB-7 | Mounting Bracket -Overdrive Shift Fork | 1 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| SB-8 | Pin Mounting | 1 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| SB-9 | Snap Ring Mounting Bracket Pin | 2 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| SB-9 | 201-66-20-1X | Kit - Overdrive Shift Fork, Pins And Snap Rings | 1 | Call for availability | ||
| SB-10 | Shift Fork And Shoe Sub-Assy- 4th And 5th Overdrive | 1 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| SB-11 | 201-438-15 | Roll Pin | 1 | Call for availability | ||
| SB-12 | 201-438-14 | Guide Pin (Fork To Shift Bar) | 1 | Call for availability | ||
| SB-14 | 201-486-1 | Shoe - Overdrive Shift Fork | 2 | $22.54 | Add to Cart | |
| SB-14 | 201-438-6-1X | Kit - Mounting Pin And Snap Rings | 1 | Call for availability | ||
| SB-11 | Snap Ring Clevis Pin | 1 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| SB-12 | Clevis Pin -Shift Fork | 1 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| SB-12 | 201-438-7-1X | Kit- Mounting Bracket, Pins And Snap Rings | 1 | Call for availability |
Range Case Group
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| J-1 | 201-15-3-1X | S/Assy Case (Range) (Includes J -1A Thru J-6) | 1 | $1,092.84 | Add to Cart | |
| J-1A | Case - Range | 1 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| J-2 | NP-96 | Name Plate | 1 | $2.16 | Add to Cart | |
| J-3 | 252-5P | Pin - Name Plate | 4 | Call for availability | ||
| N .S | NP-196 | Patent Plate | 1 | $2.97 | Add to Cart | |
| J-4 | 545123 | Plug - Filler & Drain Magnetic | 2 | $22.03 | Add to Cart | |
| J-6 | 201-39-1 | Plug - Temperature Indicator Hole | 1 | $2.67 | Add to Cart | |
| J-7 | 330360-7 | Stud - Rear Mounting | 2 | $4.65 | Add to Cart | |
| J-8 | 545001-1 | Screw- Range Case ( .500"-13 X 1 .375") | 16 | $2.59 | Add to Cart | |
| J-9 | 545025-1 | Elbow- 90 Degree | 1 | $20.33 | Add to Cart |
Range Piston Housing and Shift Fork Group
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| K-1 | 201-66-23-2X | S/Assy Fork And Rod Range | 1 | Call for availability | ||
| K-2 | 545045 | Nut- Piston Rod - Range | 1 | $3.15 | Add to Cart | |
| K-3 | 201-501-2-1X | S/Assy - Piston Housing - Range (Includes K-4 Thru K-6) | 1 | $334.54 | Add to Cart | |
| K-4 | Housing - Piston - Range | 1 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| K-5 | 545025-1 | Elbow- Piston Housing 90 Degree | 2 | $20.33 | Add to Cart | |
| K-6 | 545002-1 | Screw- Piston Housing ( .375"-16 X .875") | 4 | $2.23 | Add to Cart | |
| K-7 | 201-463-1 | "0 " Ring - Piston Shift- Range | 1 | $9.41 | Add to Cart | |
| K-8 | 201-463-2 | "0 " Ring - Piston Housing - Range | 1 | $6.67 | Add to Cart | |
| K-9 | 201-463-3 | "0 " Ring - Piston Rod - Range | 1 | $2.39 | Add to Cart | |
| K-10 | 183-463-6 | "0 " Ring - Piston To Rod - Range | 1 | Call for availability | ||
| K-11 | 201-136-7 | Piston - Shift- Range | 1 | $45.08 | Add to Cart |
Countershaft Bearing Cap Group
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| K-12 | 201-22-3 | Cap - Countershaft Bearing | 2 | $21.43 | Add to Cart | |
| K-13 | 545002-1 | Screw- Bearing Cap ( .375"-16 X .875") | 6 | $2.23 | Add to Cart | |
| and | 545002-7 | Screw- Bearing Cap ( .375"-16 X 1 .500") | 2 | $2.33 | Add to Cart | |
| and | 330969 | Lift Hook | 2 | $2.49 | Add to Cart | |
| K-14 | 500381-4 | Spacer - Filter Regulator (Use (4) Nuts) | 4 | Call for availability | ||
| K-15 | 201-411-1 | Bracket- Filter Regulator | 1 | $4.70 | Add to Cart | |
| K-16 | 313644X | Kit- Power Control And Mounting Parts (Lnci .K-17 Thru K-19) | 1 | $881.94 | Add to Cart | |
| K-17 | 313042 | S/Assy Filter Regulator | 1 | $784.67 | Add to Cart | |
| K-18 | 330831 | Clamp - Filter Regulator Mounting | 1 | Call for availability | ||
| K-19 | 545025-1 | Elbow- Filter Regulator 90 Degree | 1 | $20.33 | Add to Cart |
Rear Bearing Cap Group
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| L-1 | 201-19-8-1X | S/Assy Electronic Bearing Cap Rear (Lnci .L-2 Thru L-5) | 1 | $395.32 | Add to Cart | |
| L-2 | Bearing Cap | 1 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| L-3 | 201-463-8 | Seal - Bearing Cap Rear | 1 | $43.25 | Add to Cart | |
| L-4 | 545021 | Plug - Electronic Speedometer | 2 | $18.89 | Add to Cart | |
| L-5 | 55-334-1 | Plug - Speedometer Outlet | 1 | $88.44 | Add to Cart | |
| L-6 | 60-475-1 | Bushing - Speedometer Driven Gear | 1 | $32.75 | Add to Cart | |
| L-7 | 201-228-2-1 | Shim - Output Shaft ( .005 Thick) | AIR | Call for availability | ||
| L-7 | 201-228-2-2 | Shim Output Shaft ( .010 Thick) | AIR | Call for availability | ||
| L-7 | 201-228-2-3 | Shim -Output Shaft (.015 Thick) | AIR | Call for availability | ||
| L-7 | 201-228-2-4 | Output Shaft ( .020 Thick) | AIR | Call for availability | ||
| L-7 | 201-228-2-5 | Shim Output Shaft (.030 Thick) | AIR | Call for availability | ||
| L-8 | 545002-6 | Screw- Bearing Cap Rear ( .375"-16 X .250") | 4 | $2.29 | Add to Cart | |
| EC-7 | 201-600-5 | Speed Output Sensor (Use No Subs Or Equivs. Without Spicer Approval) | 1 | Call for availability |
Parts Listed Below Are Not Included in Assembly
Item EC-9Item RC-4Item RC-6Item RC-8Item RC-9Item EC-1Item EC-8Item EC-5Item EC-4Item RC-1Item RC-7Item RC-29Item RC-14Item RC-30Item RC-10Item RC-28Item RC-18Item RC-11Item RC-27Item RC-16Item RC-15Item RC-22Item RC-24Item RC-23Item RC-16Item RC-13Item RC-11Item RC-20Item RC-21Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| RC-1 | 201-18-10-1X | S/Assy Remote Control Housing Bushings And Ball Joint | 1 | Call for availability | ||
| RC-2 | Remote Control Housing | 1 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| RC-3 | 312268 | Breather Assembly | 1 | $31.32 | Add to Cart | |
| RC-4 | 40-24-1 | Bushing - Remote Control Housing | 2 | Call for availability | ||
| RC-6 | 28P-19 | Seal - Remote Control Housing | 1 | Call for availability | ||
| EC-1 | 201-501-9-1X | Actuator Housing Sub-Assy. | 1 | Call for availability | ||
| EC-4 | 201-16-2 | Cover - End Plate | 1 | Call for availability | ||
| EC-5 | 201-620-3 | Auto Swttch | 1 | Call for availability | ||
| EC-8 | 201-600-2-1X | Electronic Control Untt | 1 | Call for availability | ||
| EC-9 | 201-615-1 | Harness - Shift Valves Integrated | 1 | Call for availability | ||
| EC-10 | 201-615-2 | Harness - Gear Swttches | 1 | Call for availability | ||
| RC-7 | 201-65-1 | Rod - Inner Shift Control | 1 | $139.03 | Add to Cart | |
| RC-8 | 97-483-3 | Boot- Shift Rod Rubber | 1 | Call for availability | ||
| RC-9 | 330-15-1 | Tie - Cable | 2 | Call for availability | ||
| RC-10 | 545136 | Bolt - Outer Shift Lever | 1 | Call for availability | ||
| RC-11 | 201-6-3 | Lever - Remote Outer Shift Control | 1 | $92.60 | Add to Cart | |
| RC-12 | 500371-3 | Nut - Ball Stud | 2 | $2.29 | Add to Cart | |
| RC-13 | 500362-11 | Lock Washer | 2 | Call for availability | ||
| RC-14 | 201-6-8-1X | S/Assy. - Selector Lever And Arm (Includes RC-15 Thru RC-22) | 1 | No longer available - Call for replacement | ||
| RC-15 | 545117 | Ball - Stud Selection Lever | 1 | Call for availability | ||
| RC-17 | 201-483-2 | Boot - Selection Lever | 1 | Call for availability | ||
| RC-18 | Lever- Selection | 1 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| N .S | 313727X | Kit- Grease Parts (Includes RC-16 19 20, And 22) | 1 | Call for availability | ||
| RC-16 | Bearing Race Selector Lever | 2 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| RC-19 | Nipple Selection Lever | 1 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| RC-20 | Retainer- Selection Lever | 1 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| RC-22 | Spring Disc Selection Lever | 2 | Not sold separately - order the sub-assembly it belongs to | Call for availability | ||
| RC-21 | 201-381-4 | Snap Ring - Selection Lever | 1 | Call for availability | ||
| RC-23 | 313673 | Ball Joint - Female | 1 | $46.61 | Add to Cart | |
| RC-24 | 545114 | Jam Nut- Turnbuckle | 2 | Call for availability | ||
| RC-25 | 201-65-3 | Tie Rod | 1 | Call for availability | ||
| RC-26 | 730-2 | Turn Buckle | 1 | Call for availability | ||
| RC-27 | 545113 | Jam Nut- Turnbuckle (Left Hand) | 1 | Call for availability | ||
| RC-28 | 313715 | Ball Joint- Male ( .500-13 Unc Thread On End Into Housing) | 1 | Call for availability | ||
| RC-29 | 201-6-2 | Finger- Inner Shift | 1 | $146.95 | Add to Cart | |
| RC-30 | 545137 | Screw- Shift Finger | 1 | Call for availability | ||
| N .S | 545028-2 | Screw- Control Housing ( .438"-14 X 1 .500") | 6 | $2.87 | Add to Cart | |
| N .S | 201-118-2 | Gasket- Control (Between Case And Control) | 1 | $3.83 | Add to Cart |
Service Parts Overhaul Kits
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 313400-76X | Major Overhaul Kit | $1,272.81 | Superseded by 2014001XAdd to Cart | |||
| 313432-33X | Kit- Minor Overhaul | 1 | $998.94 | Add to Cart | ||
| 313669X | Kit- Range Piston Housing Repair | 1 | Call for availability | |||
| 313429-23X | Kit- Shift Tower Repair Parts | 1 | $85.70 | Add to Cart | ||
| 201-35-2 | Shaft- Input (2 .000''-1 0 Spline #306 (1 .180'' Dia.) Pilot) | 1 | Call for availability | |||
| 201-210-4-1 | Key - Countershaft Gear Rear | 2 | $4.64 | Add to Cart | ||
| 201-210-4-2 | Key- Countershaft Gear Middle | 2 | $4.19 | Add to Cart | ||
| 201-210-4-3 | Key- Countershaft Gear Front | 2 | $11.02 | Add to Cart | ||
| 201-438-6-1X | Kit - Overdrive Shift Fork Mounting Pin And Snap Ring | 1 | $6.22 | Add to Cart | ||
| 201-438-7-1X | Kit- Overdrive Shift Fork Bracket Pin And Snap Ring | 1 | $9.95 | Add to Cart | ||
| 201-47-4 | Washer- Output Shaft Thrust (Range) | 1 | $34.68 | Add to Cart | ||
| 201-47-6 | Ring - Range Mainshaft Drive Gear Thrust | 1 | $33.46 | Add to Cart | ||
| 330955 | Washer- Countershaft Reverse Idler Thrust (Range) | 2 | $20.01 | Add to Cart | ||
| 500007-24 | Key- Woodruff PTO Gear | 2 | Call for availability | |||
| 545065 | Nut- Mainshaft | 1 | $31.43 | Add to Cart | ||
| 2783 | Bulletin - Mainshaft Nut (Loctite Application) | 1 | Call for availability | |||
| 312475-45X | -Gasket | 1 | $37.46 | Add to Cart | ||
| 313667X | Kit- Shim | 1 | $39.63 | Add to Cart | ||
| 201-381-1 | Ring - Snap Input Shaft | 1 | $3.15 | Add to Cart | ||
| 201-381-3 | Ring - Snap Mainshaft Range Drive Gear | 1 | $8.09 | Add to Cart | ||
| 201-463-8 | Seal - Output Shaft Rear Bearing Cap | 1 | $43.25 | Add to Cart | ||
| 545080-1 | Anaerobic Sealant- Mainshaft Nut (0 .5 Cc Vial) | 1 | Call for availability | |||
| 97-463-36-1X | Oil Seal - Drive Gear Bearing Cap (W/Lnstallation Tool) | 1 | $38.68 | Add to Cart | ||
| 313628X | S/Assy. - Bearing And Spacer Output Shaft | 1 | $287.93 | Add to Cart | ||
| 313668X | Kit- Output Shaft Gear Needle Bearing | 1 | $78.71 | Add to Cart | ||
| 550996 | Bearing - Countershaft Front | 2 | $61.00 | Add to Cart | ||
| 551009 | Bearing - Countershaft Rear | 2 | Call for availability | |||
| 313645X | S/Assy Bearing And Belleville Snap Ring (Input Shaft) | 1 | $183.51 | Add to Cart | ||
| 550182 | Bearing - Countershaft Rear Cone | 2 | $36.48 | Add to Cart | ||
| 550375 | Bearing - Countershaft Rear Cup | 4 | $17.99 | Add to Cart | ||
| 551013 | Bearing - Countershaft Front Cone | 2 | $49.38 | Add to Cart | ||
| 550997 | Bearing - Reverse Idler Needle | 2 | $14.83 | Add to Cart | ||
| 183-463-6 | "0 " -Ring - Splitter Or Range Piston | 1 | Call for availability | |||
| 201-463-1 | "0 ' ' -Ring - Range Shift Piston | 1 | $9.41 | Add to Cart | ||
| 201-463-2 | ' '0 " -Ring - Range Piston Housing | 1 | $6.67 | Add to Cart | ||
| 201-463-3 | ' '0 ' ' -Ring - Range Piston Rod | 1 | $2.39 | Add to Cart | ||
| 2726 | Bulletin - "0 " Ring Lubrication Instruction | 1 | Call for availability | |||
| 330895 | Lubricant- "0 " Ring | 1 | Call for availability | |||
| 201-438-2 | Pin - Actuating Back-Up Light | 1 | $3.68 | Add to Cart | ||
| 201-438-5 | Pin - Air Control Valve | 3 | Call for availability | |||
| 201-487-1 | Insert- Poppell Spring And Ball | 3 | Call for availability | |||
| 201-72-2 | Spring - Shift Rail Poppet | 3 | $3.23 | Add to Cart | ||
| 201-80-1 | Ball - Poppet | 3 | $7.47 | Add to Cart | ||
| 40-438-1 | Pin - 1 St And Reverse Select Plunger | 2 | Call for availability | |||
| 201-72-6 | Spring - 1st And Reverse Shift Plunger | 2 | Call for availability | |||
| 201-118-1 | Gasket- Williams Air Control Valve | 1 | $6.27 | Add to Cart | ||
| 201-118-2 | Gasket- Tower Housing | 1 | $3.83 | Add to Cart | ||
| 2824 | Bulletin -Anaerobic Sealant Application | 1 | Call for availability | |||
| 545056-10 | Anaerobic Sealant - 24cc Tube | 1 | Call for availability | |||
| 2825 | Bulletin - Countershaft Shim Instructions | 1 | Call for availability | |||
| 201-228-1-1 | Shim - Countershaft Rear Bearing ( .005" Thick) | 4 | Call for availability | |||
| 201-228-1-2 | Shim - Countershaft Rear Bearing (.01 0" Thick) | 4 | Call for availability | |||
| 201-228-1-3 | Shim - Countershaft Rear Bearing ( .015" Thick) | 4 | Call for availability | |||
| 201-228-1-4 | Shim - Countershaft Rear Bearing ( .020" Thick) | 4 | Call for availability | |||
| 201-228-1-5 | Shim - Countershaft Rear Bearing ( .030" Thick) | 4 | Call for availability | |||
| 201-228-2-1 | Shim - Output Shaft ( .005" Thick) | 1 | Call for availability | |||
| 201-228-2-2 | Shim - Output Shaft (.01 0" Thick) | 1 | Call for availability | |||
| 201-228-2-3 | Shim - Output Shaft ( .015" Thick) | 1 | Call for availability | |||
| 201-228-2-4 | Shim - Output Shaft ( .020" Thick) | 1 | Call for availability | |||
| 201-228-2-5 | Shim - Output Shaft ( .030" Thick) | 1 | Call for availability | |||
| T21O | -AS0165 | -1 OS | Call for availability | |||
| 31304L | FiL Tea Regulator | Call for availability |
Tabulated Bills of Material
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This is the complete factory parts breakdown for the Spicer Transmission ASO125-10S, with every part in the manual matched to our live inventory. We stock 160 of the 341 parts above; click any part number to view it, or add it straight to your cart. Click a number on any diagram to jump to that part.
This is the Spicer Illustrated Parts List covering the ASO125-10S transmission. Use it to identify every serviceable part in your unit (assemblies, gears, shafts, housings and seals) before you order replacements.
| Models covered | ASO125-10S |
| Transmission type | 10-speed, twin-countershaft, heavy duty |
| Document | Illustrated Parts List (Spicer) |
| Length | 33 pages |
| Format | PDF, free download |
What’s inside
- Service kits & assemblies with recommended stocking quantities
- Mainshaft & countershaft gear groups
- Drive gears, idler & auxiliary drive gears
- Case, clutch & shift-bar housings
- Shift lever, forks & selector assemblies
- Bearings, seals, snap rings & small parts
- Air-shift and range-control components (where fitted)
- Exploded parts diagrams with OEM part numbers
Spicer parts & units we stock
Pro Gear and Transmission stocks new, remanufactured and good-used parts for Spicer transmission units:
- All Spicer transmission parts & units
- Remanufactured transmissions
- Search our catalog for ASO125-10S
Not sure exactly which unit you have? Check our identification guides, or Ask an Expert. Send us photos of your data tag and our drivetrain specialists will identify the unit and the exact parts you need. Or call (877) 776-4600.