Mack T2080 / T2090 / T2100 Transmission Parts Manual
8/9/10 Speed Transmission - Short Auxiliary Case, Top Mount
Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 208SH101A | Kit, Bearing And Seal | Includes (1) A1228H1204, (3) 64AX16, (3) 127539, (6) 62AX487, (3) 67AX334, (2) 67AX204, (1) 67AX335, (1) 46AX516, (1) 67AX311, (3) 62AX489, (1) 46AX522, (6) 64AX292, (3) 62AX292, (1) 207SH29, (1) 56AX381, (1) 207SH35, (5) 97AX171, (1) 555AM4, (1) 31KD2136, (1) 223KD253, (3) 223KD262P2, (1) 223KD317A, (6) 223KD316A, (1) 223KD261A, (1) 233KD39, (3) 223KD262, (1) 223KD241, (1) 107KD242, (1) 107KD116, (1) 107KD118, (3) 107KD157, (1) 80AX775, (3) 48AX17, (3) 48AX12, (3) 79AX39, (2) 49AX262, (1) 79AX71, (2) 79AX57X, (1) 49AX259, (1) 311KC28A, (1) 529KC25A, (2) 301KC242, (1) 311KC215, (6) 7AX264X, (1) 207SH34, (1) 28KB122. Interchanges with Mack 208SH101 | $1,552.73 | Add to Cart | |
| 1 | Mack Bearing and Seal Kit | Kit, Bearing And Seal, Economy | Includes (1) A1228H1204, (3) 62AX292, (3) 64AX16, (3) 62AX489, (3) 127539, (6) 62AX487, (6) 64AX292, (3) 67AX334, (2) 67AX204, (1) 67AX335, (1) 67AX311, (1) 46AX522, (1) 46AX516, (1) 207SH29, (1) 17453, (1) 56AX381, (1) 207SH35, (5) 97AX171, (1) 31KD2136, (1) 80AX775, (1) 223KD317A, (1) 223KD253, (6) 223KD316A, (1) 233KD39, (1) 223KD241, (1) 223KD261A, (3) 223KD262, (3) 223KD262P2, (1) 207SH34 | $1,499.69 | Add to Cart | |
| 1 | Bearing and Seal Kit | Kit, Bearing And Seal (T2090 & T2100) | Includes (2) A1228H1204, (3) 64AX16, (3) 127539, (6) 62AX487, (3) 67AX334, (2) 67AX204, (1) 67AX335, (1) 46AX410, (1) 67AX311, (2) 62AX489, (1) 46AX522, (6) 64AX292, (3) 62AX292, (1) 107KD242, (1) 107KD116, (3) 107KD157, (4) 97AX171, (1) 555AM4, (1) 80AX775, (1) 207SH29, (3) 79AX39, (2) 49AX262, (1) 79AX71, (2) 79AX57X, (1) 49AX259, (1) 311KC28A, (1) 529KC25A, (2) 301KC242, (1) 311KC215, (3) 48AX17, (3) 48AX12, (1) 28KB122, (3) 223KD262P2, (1) 223KD317A, (4) 223KD316A, (1) 223KD261A, (3) 223KD262, (1) 223KD241, (6) 7AX264X, (1) 31KD2136, (1) 56AX381 | $1,636.98 | Add to Cart | |
| 2 | 207SH29 | Kit, Gasket | Includes (1) 629KB318, (1) 629KB411, (1) 646KB11, (1) 629KB328B, (1) 629KB331A, (3) 88AX349P3, (1) 88AX454, (1) 88AX463, (3) 56AX539, (1) 56AX436, (2) 56AX545, (3) 56AX508, (1) 17453, (3) 56AX541, (1) 56AX381, (1) 207SH35 | $108.62 | Add to Cart | |
| 3 | Retaining Ring Kit | Kit, Retaining Ring | Includes (1) 97AX54, (1) 97AX226, (1) 97AX238, (7) 97AX151, (1) 97AX266, (1) 97AX284, (1) 97AX258, (1) 97AX260, (1) 97AX262, (1) 97AX265, (1) RR-IR36-4, (1) 97AX232 | $81.31 | Add to Cart | |
| 4 | 207SH34 | Kit, Shim | Includes (3) 741KC321CP15, (3) 741KC321CP30, (3) 741KC323P3, (3) 741KC323P6, (3) 741KC323P15, (3) 741KC323P30, (3) 741KC321CP6, (3) 741KC321CP3 | $249.51 | Add to Cart | |
| 5 | O-Ring Kit | Kit, O-Ring | Includes (1) 56AX557, (1) 56AX560, (1) 5X1083, (1) 56AX559, (1) 56AX561, (1) 56AX558, (1) 14142, (1) 17453 | $17.08 | Add to Cart |
Compound and Main Case Assembly
Item 17Item 20Item 23Item 18Item 26Item 16Item 19Item 28Item 36Item 15Item 16Item 18Item 24Item 35Item 13Item 14Item 8Item 5Item 6Item 22Item 32Item 34Item 33Item 3Item 37Item 1Item 2Item 7Item 39Item 38Item 31Item 4Item 21Item 6Item 5Item 6Item 9Item 11Item 10Item 12Item 29Item 30Item 27Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 3092340 | Sealant, Silicone Rubber (Cartridge Gun Tube 310 Ml) | New design. Interchanges with Mack 20732000 | $195.16 | Add to Cart | |
| 1 | 342SX32 | Sealant, Silicone Rubber | Interchanges with Mack 243SX26, Navistar 474517C2 | $12.93 | Add to Cart | |
| 2 | 301KD43B | Yoke, Clutch Release | $129.97 | Add to Cart | ||
| 3 | 6AX1359X | Screw (3/8in-16 X 1in) | Interchanges with Mack 6AX1274X, Navistar 1670574C1 | $2.77 | Add to Cart | |
| 4 | 43AX41 | Key | Sold as a 5-pack | $14.30 | Add to Cart | |
| 5 | 67AX204 | Bearing | 2 | Interchanges with TOF B-1612, Navistar 550839R91. Sold as a 2-pack | $19.73 | Add to Cart |
| 6 | 88AX349P3 | Seal | Interchanges with Mack 3088-9169. Sold as a 3-pack | $16.07 | Add to Cart | |
| 7 | 44AX115 | Fitting, Grease (1/8in X 27 Thread) | Interchanges with Navistar 109461 | $2.46 | Add to Cart | |
| 8 | 79AX71 | Plug (1-1/4in Cup) | Interchanges with Navistar 23623R1. Sold as a 5-pack | $13.14 | Add to Cart | |
| 9 | 629KB412 | Gasket | Interchanges with Mack 629KB53. Sold as a 6-pack | $80.09 | Add to Cart | |
| 10 | 36AX5 | Washer, Lock | Interchanges with Navistar 1662463C1 | $2.49 | Add to Cart | |
| 11 | 20AX5 | Nut (1/2in-20) | Interchanges with Navistar 1662461C1 | $2.63 | Add to Cart | |
| 12 | 37AX10 | Washer, Flat | Call for availability | |||
| 13 | 37AX98 | Washer | Call for availability | |||
| 14 | 90KB111A | Screw, Dowel | $23.76 | Add to Cart | ||
| 15 | 6AX1309X | Screw (3/8in-16 X 1-1/2in) | Interchanges with Navistar 16923R91 | $2.67 | Add to Cart | |
| 16 | 37AX7U | Washer | Interchanges with Mack 39AX2. Sold as a 50-pack | $72.20 | Add to Cart | |
| 17 | 541KB23 | Breather | Interchanges with Navistar 110891H. Sold as a 10-pack | $51.25 | Add to Cart | |
| 18 | 629KB411 | Gasket, Cover | Interchanges with Mack 629KB417. Sold as a 6-pack | $30.79 | Add to Cart | |
| 19 | 6AX1308X | Screw (3/8in-16 X 1-1/4in) | Interchanges with Navistar 60001R91. Sold as a 5-pack | $19.35 | Add to Cart | |
| 20 | 79AX57X | Plug (7/8in Cup) | Interchanges with Navistar 373553R1. Sold as a 5-pack | $13.78 | Add to Cart | |
| 21 | 604KC34A | Shaft, Clutch Release | $120.15 | Add to Cart | ||
| 22 | 604KC277A | Shaft, Clutch Release | $48.39 | Add to Cart | ||
| 23 | 49AX262 | Plug, Shift Rail | Sold as a 4-pack | $21.05 | Add to Cart | |
| 24 | 629KB335A | Gasket, Cover | Sold as a 5-pack | $63.77 | Add to Cart | |
| 25 | 49AX234Z | Plug, Temperature Sending Unit Boss | 1/4in NPT. Interchanges with Navistar 444631. Sold as a 5-pack | $6.57 | Add to Cart | |
| 26 | 49AX259 | Plug, Pivot | Sold as a 5-pack | $15.25 | Add to Cart | |
| 27 | 7AX264X | Screw, Lock (Dog Point) | 2 | Interchanges with Mack 7AX152, Mack 7AX255. Sold as a 10-pack | $61.55 | Add to Cart |
| 28 | 216KD41 | Valve, Slave (Early) | $263.34 | Add to Cart | ||
| 28 | 216KD42B | Valve, Slave (Current) | $711.73 | Add to Cart | ||
| 29 | 37AX474 | Washer | Sold as a 10-pack | $23.80 | Add to Cart | |
| 30 | 6AX1327 | Screw, Long (1/2in-13 X 2in) | Call for availability | |||
| 31 | 14RU265B | Lever, Adjusting (Straight Side Spline) | Interchanges with Mack 33MX316 | $141.52 | Add to Cart | |
| 31 | 4RU362 | Lever, Adjusting (Involute Spline) | Interchanges with Mack 33MX315, Mack 14RU362 | $73.13 | Add to Cart | |
| 32 | 49AX224 | Plug, Magnetic Filler | Interchanges with Navistar 56070R1 | $4.89 | Add to Cart | |
| 33 | 63AX1041 | Plug, Oil Fill | Call for availability | |||
| 34 | 44AX115 | Fitting, Grease (1/8in X 27 Thread) | Interchanges with Navistar 109461 | $2.46 | Add to Cart | |
| 35 | 6AX1325 | Screw, Short (1/2in-13 X 1-3/4in) | Call for availability | |||
| 36 | 56AX436 | O-Ring, Mounting | Sold as a 10-pack | $24.00 | Add to Cart | |
| 37 | 412KB213P3 | PTO (RH) (6 Hole) | Interchanges with Mack 412KB218 | $129.95 | Add to Cart | |
| 38 | 412KB310B | PTO (LH) (8 Hole) | Interchanges with Fuller 16596 | $19.11 | Add to Cart | |
| 39 | 648KB23 | Gasket | Sold as a 5-pack | $16.80 | Add to Cart |
Oil Pump Components
Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 431KC45 | Pump, Transmission Oil | Interchanges with Mack 431KC45A | $1,440.93 | Add to Cart | |
| 2 | 63AX3477 | Fitting, 90 Deg. Elbow (3/4in X 3/4in) | $15.08 | Add to Cart | ||
| 3 | 186KD4135 | Tube, Suction Pipe | Call for availability | |||
| 4 | 63AX3851 | Fitting, 45 Deg. | Call for availability | |||
| 5 | 56AX410 | O-Ring, Fitting | Sold as a 10-pack | $19.06 | Add to Cart | |
| 6 | 21AX925 | Nut (7/8in-14) | Call for availability | |||
| 7 | 83AX21 | Clamp (5/8in ID) | Call for availability | |||
| 8 | 186KD3283 | Tube, Inlet Assembly | Interchanges with Mack 25502977 | $125.53 | Add to Cart | |
| 9 | 83AX990 | Clamp (1/2in Dia.) | Call for availability | |||
| 10 | 186KD4134 | Tube, Discharge Assembly | Interchanges with Mack 25503166 | $55.19 | Add to Cart | |
| 11 | 63AX3850 | Fitting, Bulkhead | 3/4in-16,1/2in OD tube | Call for availability | ||
| 11 | 10MF433M | Fitting, Bulkhead (W/O Nut) | Call for availability |
Input Shaft
Item 10Item 12Item 13Item 14Item 15Item 9Item 8Item 7Item 6Item 5Item 11Item 4Item 3Item 2Item 1Item 16Item 17Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 88AX454 | Seal, Oil | Interchanges with Mack 88AX390P2, National 2822VGR | $38.31 | Add to Cart | |
| 2 | 789KC117 | Sleeve, Oil Pump (Non-Current) | $38.84 | Add to Cart | ||
| 3 | 403KB295 | Main Drive (W/O Oil Pump Set-Up) | Interchanges with Mack 403KB288P2 | $267.27 | Add to Cart | |
| 4 | 56AX543 | O-Ring, Cover | Interchanges with Mack 56AX497 | Call for availability | ||
| 5 | 56AX347 | O-Ring, Cover | Sold as a 5-pack | $24.64 | Add to Cart | |
| 6 | 97AX226 | Ring, Retaining | Sold as a 5-pack | $25.99 | Add to Cart | |
| 7 | 46AX410 | Bearing, Main Drive | $60.60 | Add to Cart | ||
| 8 | 97AX262 | Ring, Retaining | Sold as a 5-pack | $78.29 | Add to Cart | |
| 9 | 6AX1317X | Screw (7/16in-in14 X 1-1/4in) | Interchanges with Mack 4AX4. Sold as a 5-pack | $28.38 | Add to Cart | |
| 10 | 764KB4203E | Gear, Main Drive | Interchanges with Mack 764KB288 | $730.92 | Add to Cart | |
| 11 | 629KB328B | Gasket, Front Cover | Sold as a 5-pack | $55.52 | Add to Cart | |
| 12 | 97AX54 | Ring, Retaining | Sold as a 10-pack | $34.90 | Add to Cart | |
| 13 | 67AX311 | Bearing | Interchanges with BCA MA1205EL | $115.96 | Add to Cart | |
| 14 | 97AX125 | Ring, Retaining | $20.20 | Add to Cart | ||
| 15 | 764KB3267A | Gear, Pinion (T2080) | $448.16 | Add to Cart | ||
| 15 | 764KB264A | Gear, Pinion (T2090) | $524.11 | Add to Cart | ||
| 15 | 764KB3260A | Gear, Pinion (T2100) | $332.34 | Add to Cart | ||
| 16 | 97AX260 | Ring, Retaining | Sold as a 5-pack | $43.23 | Add to Cart | |
| 17 | Maxitorque Input Shaft Kit | Kit, Input Shaft | New design. Includes (1) 764KB4203D, (1) 629KB328B, (1) 88AX454, (1) 97AX226, (1) 97AX262, (1) 97AX54, (1) RR-IR36-4, (1) 97AX260, (1) 46AX410, (1) 67AX311. w/o Oil Pump and w/o Flywheel PTO units | $352.74 | Add to Cart |
Main Case Components
Item 28Item 27Item 26Item 25Item 24Item 23Item 22Item 1Item 2Item 3Item 41Item 29Item 29Item 33Item 34Item 35Item 36Item 7Item 37Item 19Item 30Item 31Item 32Item 39Item 38Item 10Item 17Item 12Item 13Item 16Item 12Item 10Item 8Item 14Item 9Item 9Item 8Item 10Item 12Item 13Item 12Item 11Item 10Item 8Item 6Item 5Item 4Item 12Item 15Item 18Item 21Item 40Item 20Item 9Item 9Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 320KB3136 | Clutch, Sliding | Interchanges with Mack 320KB3117 | $110.32 | Add to Cart | |
| 2 | 555AM4 | Ring, Retaining | Sold as a 5-pack | $17.05 | Add to Cart | |
| 3 | 223KD241 | Washer, Thrust | 1 | $23.50 | Add to Cart | |
| 4 | 751KB3450A | Gear, Mainshaft (4th/8th) | Interchanges with Mack 751KB3340 | $463.37 | Add to Cart | |
| 5 | 223KD317A | Washer, Thrust | 1 | Interchanges with Mack 233KD311 | $37.22 | Add to Cart |
| 6 | 97AX266 | Ring, Retaining | Interchanges with Mack 97AX136. Sold as a 5-pack | $23.73 | Add to Cart | |
| 7 | 56AX541 | O-Ring | Sold as a 5-pack | $18.00 | Add to Cart | |
| 8 | 97AX171 | Ring, Retaining | Sold as a 10-pack | $115.01 | Add to Cart | |
| 8 | 97AX267 | Ring, Retaining (T2080) | Interchanges with Eaton 127537 | $10.66 | Add to Cart | |
| 9 | 223KD316A | Washer, Thrust | 5 | Interchanges with Mack 233KD36. Sold as a 2-pack | $46.79 | Add to Cart |
| 10 | 223KD249 | Washer, Thrust | 5 | $23.60 | Add to Cart | |
| 11 | 751KB3341B | Gear, Mainshaft (T2090 & T2100) | $478.65 | Add to Cart | ||
| 11 | 751KB3490A | Gear, Mainshaft (T2080) | $441.13 | Add to Cart | ||
| 12 | 97AX172 | Ring, Snap (T2080, T2090, T2100) | Interchanges with Mack 25106839. Sold as a 5-pack | $48.84 | Add to Cart | |
| 12 | 97AX151 | Ring, Retaining | 4 | Interchanges with Mack 97AX289. Sold as a 10-pack | $49.27 | Add to Cart |
| 13 | 320KB3137A | Clutch, Sliding | 2 | $171.44 | Add to Cart | |
| 14 | 751KB3342 | Gear, Mainshaft (T2090) | $437.51 | Add to Cart | ||
| 14 | 751KB3372A | Gear, Mainshaft (T2080) | $486.92 | Add to Cart | ||
| 14 | 751KB3363A | Gear, Mainshaft (T2100) | $138.06 | Add to Cart | ||
| 15 | 31KD2136 | Retainer | $77.45 | Add to Cart | ||
| 16 | 751KB3469 | Gear, Lo Mainshaft (T2090) | Interchanges with Mack 751KB3360, Mack 751KB3469A | $498.05 | Add to Cart | |
| 16 | 751KB3467 | Gear, Lo Mainshaft (T2080) | $536.17 | Add to Cart | ||
| 16 | 751KB3466 | Gear, Lo Mainshaft (T2100) | Interchanges with Mack 751KB3365, Mack 751KB4132 | $370.06 | Add to Cart | |
| 17 | 751KB3359 | Gear, Reverse Mainshaft (T2090 & T2100) | $175.07 | Add to Cart | ||
| 17 | 751KB3396B | Gear, Reverse Mainshaft (T2080) | $677.85 | Add to Cart | ||
| 18 | 615KC4209 | Mainshaft, Front (T2090, T2100) | $1,218.59 | Add to Cart | ||
| 18 | 615KC4210 | Mainshaft, Front (W/ Oil Hole Through Shaft) | New design | $813.50 | Add to Cart | |
| 18 | 615KC4203 | Mainshaft, Front (T2090, T2100) (Current) | $515.31 | Add to Cart | ||
| 19 | 79AX39 | Plug, Expansion | Sold as a 10-pack | $18.13 | Add to Cart | |
| 20 | 97AX265 | Ring, Retaining | Sold as a 5-pack | $28.68 | Add to Cart | |
| 20 | 555AM5 | Ring, Retaining | Sold as a 5-pack | $18.20 | Add to Cart | |
| 21 | 80AX775 | Race, Bearing | $47.44 | Add to Cart | ||
| 22 | 62AX489 | Cone | $20.86 | Add to Cart | ||
| 23 | 64AX294 | Cup | $12.46 | Add to Cart | ||
| 24 | 757KB434 | Gear, Maindrive Countershaft (T2090) | $569.25 | Add to Cart | ||
| 24 | 757KB445 | Gear, Maindrive Countershaft (T2080) | $707.72 | Add to Cart | ||
| 25 | 757KB428A | Gear, Countershaft (T2090, T2100) | $511.76 | Add to Cart | ||
| 25 | 757KB444A | Gear, Countershaft (T2080) | $503.84 | Add to Cart | ||
| 26 | 757KB3321 | Gear, Countershaft (T2080) | $239.35 | Add to Cart | ||
| 26 | 757KB3223 | Gear, Countershaft (T2090) | $486.32 | Add to Cart | ||
| 27 | 31KC2112 | Gear, Countershaft (T2080) | Call for availability | |||
| 28 | 757KB2110 | Gear, Countershaft (T2080) | $217.73 | Add to Cart | ||
| 29 | 605KC474A | Countershaft (T2080) | $277.88 | Add to Cart | ||
| 30 | 611KC230 | Shaft, Reverse Idle | Interchanges with Mack 611KC226 | $54.33 | Add to Cart | |
| 31 | 223KD262 | Washer, Thrust | 3 | Interchanges with Mack 233KC240. Sold as a 3-pack | $18.56 | Add to Cart |
| 32 | 67AX334 | Bearing | $18.28 | Add to Cart | ||
| 33 | 42AX643 | Key (T2080) | Sold as a 2-pack | $44.09 | Add to Cart | |
| 33 | 42AX642 | Key (T2090, T2100) | $43.41 | Add to Cart | ||
| 34 | 62AX487 | Cone | Interchanges with Timken LM501349 | $15.38 | Add to Cart | |
| 35 | 64AX292 | Cup | Interchanges with Timken LM501310 | $9.72 | Add to Cart | |
| 36 | 741KC321BP3 | Shim (.003in Thk) | Interchanges with Mack 741KC321BP3. Sold as a 3-pack | $29.16 | Add to Cart | |
| 36 | 741KC321BP6 | Shim (.006in Thk) | Interchanges with Mack 741KC321BP6. Sold as a 3-pack | $29.16 | Add to Cart | |
| 36 | 741KC321CP15 | Shim (.015in Thk) | Interchanges with Mack 741KC321BP15. Sold as a 3-pack | $29.16 | Add to Cart | |
| 36 | 741KC321BP30 | Shim (.030in Thk) | Interchanges with Mack 741KC321BP30. Sold as a 3-pack | $29.16 | Add to Cart | |
| 37 | 451KC398A | Retainer | Call for availability | |||
| 38 | 223KD262P2 | Washer, Thrust | 3 | Interchanges with Mack 233KD240P2. Sold as a 3-pack | $16.24 | Add to Cart |
| 39 | 751KB284 | Gear | $262.61 | Add to Cart | ||
| 40 | 67AX335 | Bearing | Interchanges with INA SCH2216, Navistar 375705R91 | $23.02 | Add to Cart | |
| 41 | 757KB3177 | Gear, Reverse Countershaft (T2090) | $122.91 | Add to Cart |
Rear Case Components - Original Design Synchronizer
Item 49Item 5Item 19Item 21Item 46Item 23Item 24Item 26Item 49Item 22Item 21Item 19Item 5Item 34Item 35Item 27Item 24Item 26Item 5Item 19Item 21Item 22Item 23Item 44Item 45Item 46Item 28Item 47Item 31Item 30Item 29Item 49Item 32Item 33Item 34Item 35Item 33Item 34Item 35Item 36Item 37Item 38Item 39Item 41Item 42Item 43Item 44Item 45Item 46Item 40Item 7Item 12Item 18Item 17Item 7Item 25Item 20Item 8Item 14Item 15Item 48Item 13Item 16Item 11Item 10Item 9Item 6Item 5Item 4Item 3Item 2Item 1Item 50Item 8Item 15Item 25Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 97AX259 | Ring, Retaining | Use w/ Early Main Drive Gear. Sold as a 5-pack | $63.20 | Add to Cart | |
| 2 | 46AX517 | Bearing | Interchanges with BCA 118L, Navistar 1666389C1 | $230.97 | Add to Cart | |
| 3 | 451KC420B | Retainer | $113.37 | Add to Cart | ||
| 4 | 764KB4248 | Gear, Compound, Main Drive (Early) | $595.86 | Add to Cart | ||
| 5 | 97AX151 | Ring, Retaining | Interchanges with Mack 97AX289. Sold as a 10-pack | $49.27 | Add to Cart | |
| 6 | 351KC331B | Plate, Synchronizer | $77.80 | Add to Cart | ||
| 7 | 495KB361 | Disc, Friction | 8 | Interchanges with Mack 495KB363. Sold as a 8-pack | $156.29 | Add to Cart |
| 8 | 495KB367 | Disc, Reaction | 8 | Sold as a 8-pack | $115.24 | Add to Cart |
| 9 | 6AX1606X | Screw, Synchronizer | 5/16in-18 x 1-7/8in. Interchanges with Mack 6AX1582. Sold as a 6-pack | $79.79 | Add to Cart | |
| 10 | 298KB213 | Clamp, Support Pin (Front) | Sold as a 6-pack | $75.44 | Add to Cart | |
| 11 | 301KC243C | Sleeve, Synchronizer Support | Sold as a 3-pack | $66.68 | Add to Cart | |
| 12 | 301KC241B | Pin, Synchronizer (Lo Clutch) | Sold as a 3-pack | $61.78 | Add to Cart | |
| 13 | 301KC240B | Pin, Synchronizer (Hi Clutch) | Sold as a 3-pack | $61.78 | Add to Cart | |
| 14 | 298KB214 | Clamp, Support Pin (Rear) | Sold as a 6-pack | $82.27 | Add to Cart | |
| 15 | 53KC486E | Housing, Synchronizer | Interchanges with Mack 53KC486D | $195.00 | Add to Cart | |
| 16 | 320KB450C | Clutch, Synchronizer (Early) | Interchanges with Mack 320KB435 | $526.65 | Add to Cart | |
| 17 | 48AX17 | Ball, Synchronizer | Interchanges with Mack 48AX11. Sold as a 10-pack | $27.90 | Add to Cart | |
| 18 | 107KD244 | Spring (Opt.) (Use W/ 48AX17) | Sold as a 6-pack | $15.36 | Add to Cart | |
| 18 | 58AX273 | Spring (Use) | Sold as a 6-pack | $18.36 | Add to Cart | |
| 19 | 223KD261A | Washer, Thrust | Interchanges with Mack 233KD241A | $28.33 | Add to Cart | |
| 20 | 97AX284 | Ring, Retaining | Interchanges with Mack 97AX261. Sold as a 5-pack | $26.95 | Add to Cart | |
| 21 | 84KC43 | Hub, Lo Range (Early) | Interchanges with Mack 84KC311 | $380.31 | Add to Cart | |
| 22 | 97AX258 | Ring, Retaining | Sold as a 5-pack | $19.85 | Add to Cart | |
| 23 | 80AX775 | Race, Bearing | $47.44 | Add to Cart | ||
| 24 | 601KC422 | Shaft, Main | $871.02 | Add to Cart | ||
| 25 | 751KB3348A | Gear, Lo Range | $130.70 | Add to Cart | ||
| 26 | 97AX274 | Ring, Retaining | Sold as a 5-pack | $39.35 | Add to Cart | |
| 27 | 46AX522 | Bearing (W/ Oil Control Sleeve) | $76.69 | Add to Cart | ||
| 27 | 46AX489 | Bearing (15 Rollers) | Interchanges with BCA 1213L, Navistar 127546R91 | $85.78 | Add to Cart | |
| 28 | 56AX432 | O-Ring | Sold as a 10-pack | $39.10 | Add to Cart | |
| 29 | 406KB464D | T2090 & T2100 | Call for availability | |||
| 30 | 153KB15 | Bushing, Speedometer Drive | Interchanges with Navistar 26905H. Sold as a 10-pack | $47.29 | Add to Cart | |
| 31 | 56AX540 | O-Ring | Interchanges with Navistar 3213549R1. Sold as a 10-pack | $22.76 | Add to Cart | |
| 32 | 88AX463 | Seal | Interchanges with National 4489VX | $16.50 | Add to Cart | |
| 33 | 8235-176NYS3810 | Yoke (1760 Series) | Interchanges with Mack 38MU3419P5 | $678.14 | Add to Cart | |
| 34 | 297KB219P2 | Clamp | Interchanges with Mack 297KB124P2, Mack 297KB117BP2 | $17.49 | Add to Cart | |
| 35 | 3AX1803X | Screw (7/8in-14 X 3in) | Interchanges with Mack 3AX1749X. Sold as a 5-pack | $41.58 | Add to Cart | |
| 36 | 64AX292 | Cup | Interchanges with Timken LM501310 | $9.72 | Add to Cart | |
| 37 | 62AX487 | Cone | Interchanges with Timken LM501349 | $15.38 | Add to Cart | |
| 38 | 757KB4106 | Gear, Main Drive (Keyed) | Interchanges with Mack 757KB4118 | $741.49 | Add to Cart | |
| 38 | 22031266 | Gear, Main Drive (Splined) (Current) | $600.25 | Add to Cart | ||
| 39 | 605KC476 | Kit, Countershaft | Includes (1) 757KB4106, (1) 42AX641 | $1,030.23 | Add to Cart | |
| 40 | 42AX641 | Key | Sold as a 5-pack | $28.88 | Add to Cart | |
| 41 | 62AX292 | Cone | Interchanges with Timken 3780, Navistar 400287R91 | $41.23 | Add to Cart | |
| 42 | 64AX16 | Cup | Interchanges with BCA 3720, Navistar 168468R1 | $20.63 | Add to Cart | |
| 43 | 56AX541 | O-Ring | Interchanges with Mack 56AX510. Sold as a 5-pack | $18.00 | Add to Cart | |
| 44 | 741KC323P3 | Shim (.003in Thk) | Sold as a 3-pack | $32.22 | Add to Cart | |
| 44 | 741KC323P6 | Shim (.006in Thk) | Sold as a 3-pack | $32.22 | Add to Cart | |
| 44 | 741KC323P15 | Shim (.015in Thk) | Sold as a 3-pack | $32.22 | Add to Cart | |
| 44 | 741KC323P30 | Shim (.030in Thk) | Sold as a 3-pack | $51.28 | Add to Cart | |
| 45 | 451KC3112 | Retainer | Call for availability | |||
| 46 | 6AX1317X | Screw (7/16in-14 X 1-1/4in) | Interchanges with Mack 4AX4. Sold as a 5-pack | $28.38 | Add to Cart | |
| 47 | 629KB331A | Gasket | Sold as a 5-pack | $67.49 | Add to Cart | |
| 48 | 320KB3140C | Assy, Synchronizer (Early) | Includes (1) 320KB450C, (3) 301KC243C, (3) 298KB213, (3) 301KC240B, (6) 48AX17, (8) 495KB361, (2) 53KC486E, (3) 6AX1606X, (3) 298KB214, (3) 301KC241B, (6) 58AX276, (8) 495KB367 | $1,365.82 | Add to Cart | |
| 49 | 208SH99 | Kit, Synchronizer | Includes (8) 495KB361, (8) 495KB367, (3) 301KC240B, (3) 301KC241B, (6) 48AX17, (6) 58AX273, (6) 58AX276. Interchanges with Mack 208SH97 | $359.27 | Add to Cart | |
| 50 | 504KC229 | Retainer | Use w/ Early Main Drive Gear | $15.82 | Add to Cart | |
| 50 | 31KD2136 | Retainer | Use w/ 764KB4248 or 764KB4270 | $77.45 | Add to Cart | |
| 51 | 107KD247 | Sleeve, Spring | Sold as a 3-pack | $13.99 | Add to Cart |
Rear Case Components - Updated Design Synchronizer
Item 25Item 20Item 8Item 14Item 15Item 13Item 48Item 11Item 16Item 10Item 9Item 15Item 8Item 6Item 5Item 4Item 3Item 2Item 1Item 50Item 7Item 17Item 18Item 12Item 7Item 51Item 40Item 46Item 45Item 44Item 43Item 42Item 41Item 39Item 38Item 37Item 36Item 35Item 34Item 33Item 32Item 30Item 31Item 47Item 28Item 27Item 26Item 24Item 23Item 22Item 21Item 19Item 5Item 49Item 52Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 97AX259 | Ring, Retaining (Use W/ Early Main Drive Gear) | Sold as a 5-pack | $63.20 | Add to Cart | |
| 2 | 46AX517 | Bearing | Interchanges with BCA 118L, Navistar 1666389C1 | $230.97 | Add to Cart | |
| 3 | 451KC420B | Retainer | $113.37 | Add to Cart | ||
| 4 | 764KB4270 | Gear, Compound, Main Drive | $650.81 | Add to Cart | ||
| 4 | 764KB4278 | Gear, Compound, Main Drive | Used w/ 85132094 Synchronizer | $774.37 | Add to Cart | |
| 5 | 97AX151 | Ring, Retaining | Interchanges with Mack 97AX289. Sold as a 10-pack | $49.27 | Add to Cart | |
| 6 | 351KC331B | Plate, Synchronizer | $77.80 | Add to Cart | ||
| 7 | 495KB361 | Disc, Friction | 8 | Interchanges with Mack 495KB363. Sold as a 8-pack | $156.29 | Add to Cart |
| 8 | 495KB367 | Disc, Reaction | 8 | Sold as a 8-pack | $115.24 | Add to Cart |
| 9 | 6AX1606X | Screw, Synchronizer (5/16in-18 X 1-7/8in) | Interchanges with Mack 6AX1582. Sold as a 6-pack | $79.79 | Add to Cart | |
| 10 | 298KB213 | Clamp, Support Pin (Front) | Sold as a 6-pack | $75.44 | Add to Cart | |
| 11 | 301KC243C | Sleeve, Synchronizer Support | Sold as a 3-pack | $66.68 | Add to Cart | |
| 12 | 301KC34 | Pin, Synchronizer (Lo Clutch) | Sold as a 3-pack | $57.32 | Add to Cart | |
| 13 | 301KC33 | Pin, Synchronizer (Hi Clutch) | Sold as a 3-pack | $50.09 | Add to Cart | |
| 14 | 298KB214 | Clamp, Support Pin (Rear) | Sold as a 6-pack | $82.27 | Add to Cart | |
| 15 | 53KC486E | Housing, Synchronizer | Interchanges with Mack 53KC486D | $195.00 | Add to Cart | |
| 16 | 21636360 | Clutch, Synchronizer (Backtapper Gear) | w/ 320KB464 & 85132094 Synchronizer | $614.28 | Add to Cart | |
| 16 | 320KB459A | Clutch, Synchronizer | $500.30 | Add to Cart | ||
| 17 | 48AX17 | Ball, Synchronizer | Interchanges with Mack 48AX11. Sold as a 10-pack | $27.90 | Add to Cart | |
| 18 | 107KD244 | Spring | Sold as a 6-pack | $15.36 | Add to Cart | |
| 18 | 58AX276 | Spring | Sold as a 6-pack | $20.28 | Add to Cart | |
| 19 | 223KD261A | Washer, Thrust | Interchanges with Mack 233KD241A | $28.33 | Add to Cart | |
| 20 | 97AX284 | Ring, Retaining | Interchanges with Mack 97AX261. Sold as a 5-pack | $26.95 | Add to Cart | |
| 21 | 84KC46 | Hub, Lo Range | $436.01 | Add to Cart | ||
| 21 | 84KC410 | Hub, Lo Range (Used W/ 85132094 Synchronizer) | $542.49 | Add to Cart | ||
| 22 | 97AX258 | Ring, Retaining | Sold as a 5-pack | $19.85 | Add to Cart | |
| 23 | 80AX775 | Bushing | $47.44 | Add to Cart | ||
| 24 | 601KC422 | Shaft, Main (Current) | $871.02 | Add to Cart | ||
| 25 | 751KB3348A | Gear, Lo Range | $130.70 | Add to Cart | ||
| 26 | 97AX274 | Ring, Retaining | Sold as a 5-pack | $39.35 | Add to Cart | |
| 27 | 46AX522 | Bearing (W/ Oil Control Sleeve) | $76.69 | Add to Cart | ||
| 27 | 46AX489 | Bearing, Cage (15 Rollers) | Interchanges with BCA 1213L, Navistar 127546R91 | $85.78 | Add to Cart | |
| 28 | 56AX432 | O-Ring | Sold as a 10-pack | $39.10 | Add to Cart | |
| 30 | 153KB15 | Bushing, Speedometer Drive | Interchanges with Navistar 26905H. Sold as a 10-pack | $47.29 | Add to Cart | |
| 31 | 56AX540 | O-Ring | Interchanges with Navistar 3213549R1. Sold as a 10-pack | $22.76 | Add to Cart | |
| 32 | 88AX463 | Seal | Interchanges with National 4489VX | $16.50 | Add to Cart | |
| 33 | 8235-176NYS3810 | Yoke (1760 Series) | Interchanges with Mack 38MU3419P5 | $678.14 | Add to Cart | |
| 34 | 297KB219P2 | Clamp | Interchanges with Mack 297KB124P2, Mack 297KB117BP2 | $17.49 | Add to Cart | |
| 35 | 3AX1803X | Screw (7/8in-14 X 2-1/4in) | Interchanges with Mack 3AX1749X. Sold as a 5-pack | $41.58 | Add to Cart | |
| 36 | 64AX292 | Cup | Interchanges with Timken LM501310 | $9.72 | Add to Cart | |
| 37 | 62AX487 | Cone | Interchanges with Timken LM501349 | $15.38 | Add to Cart | |
| 38 | 757KB4106 | Gear, Main Drive (Keyed) | Interchanges with Mack 757KB4118 | $741.49 | Add to Cart | |
| 38 | 22031266 | Gear, Main Drive (Splined) (Current) | $600.25 | Add to Cart | ||
| 39 | 605KC4220 | Countershaft | (w/o PTO) (18 Teeth). (Splined Shaft) (Current) | $1,579.88 | Add to Cart | |
| 39 | 605KC488 | Countershaft (Keyed) | Call for availability | |||
| 40 | 42AX641 | Key | Sold as a 5-pack | $28.88 | Add to Cart | |
| 41 | 62AX292 | Cone | Interchanges with Timken 3780, Navistar 400287R91 | $41.23 | Add to Cart | |
| 42 | 64AX16 | Cup | Interchanges with BCA 3720, Navistar 168468R1 | $20.63 | Add to Cart | |
| 43 | 56AX541 | O-Ring | Interchanges with Mack 56AX510. Sold as a 5-pack | $18.00 | Add to Cart | |
| 44 | 741KC323P3 | Shim (.003in Thk) | Sold as a 3-pack | $32.22 | Add to Cart | |
| 44 | 741KC323P6 | Shim (.006in Thk) | Sold as a 3-pack | $32.22 | Add to Cart | |
| 44 | 741KC323P15 | Shim (.015in Thk) | Sold as a 3-pack | $32.22 | Add to Cart | |
| 44 | 741KC323P30 | Shim (.030in Thk) | Sold as a 3-pack | $51.28 | Add to Cart | |
| 45 | 451KC3112 | Retainer | Call for availability | |||
| 46 | 6AX1317X | Screw (7/16in-14 X 1-1/4in) | Interchanges with Mack 4AX4. Sold as a 5-pack | $28.38 | Add to Cart | |
| 47 | 629KB331A | Gasket | Sold as a 5-pack | $67.49 | Add to Cart | |
| 48 | 320KB464 | Assembly, Synchronizer | Includes (1) 85132094, (3) 301KC243C, (3) 301KC34, (3) 301KC33, (2) 53KC486E | $1,412.17 | Add to Cart | |
| 48 | 320KB3147 | Assembly, Synchronizer (Updated) (Late-Current) | Includes (8) 495KB361, (8) 495KB367, (1) 320KB459A, (2) 53KC486E, (3) 301KC243C, (3) 6AX1606X, (3) 298KB213, (3) 298KB214, (3) 301KC33, (3) 301KC34, (3) 301KC35, (3) 107KD247 | $1,086.39 | Add to Cart | |
| 49 | 85132094 | Kit, Synchronizer (Backtapper Gear) | Includes (3) 6AX1606X, (3) 301KC35, (8) 495KB361, (8) 495KB367, (3) 107KD247, (3) 298KB213, (3) 298KB214, (1) 21636360 | $1,087.02 | Add to Cart | |
| 49 | 208SH99A | Kit, Synchronizer (Used W/ 320KB3147 Synchronizer) | Includes (8) 495KB361, (8) 495KB367, (6) 107KD247, (3) 301KC35, (3) 301KC33, (3) 301KC34, (3) 301KC243C. NBSP&NBSP(For 320KB464). Interchanges with Mack 208SH97 | $528.96 | Add to Cart | |
| 50 | 31KD2136 | Retainer (Use W/ 764KB4248 Gear) | $77.45 | Add to Cart | ||
| 51 | 605KC476 | Kit, Countershaft | Includes (1) 757KB4106, (1) 42AX641 | $1,030.23 | Add to Cart | |
| 52 | Synchronizer Upgrade Kit | Kit, Synchronizer Upgrade | Includes (1) 84KC410, (1) 320KB464 | $2,359.47 | Add to Cart |
Shifter Components
Item 28Item 31Item 30Item 29Item 23Item 24Item 25Item 26Item 26Item 25Item 24Item 23Item 12Item 9Item 2Item 6Item 9Item 8Item 28Item 10Item 13Item 5Item 1Item 11Item 10Item 4Item 12Item 13Item 3Item 16Item 14Item 9Item 12Item 13Item 7Item 15Item 12Item 9Item 21Item 27Item 20Item 33Item 32Item 19Item 18Item 17Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 575KB3303C | Fork, Shift (4th/5th) | $204.75 | Add to Cart | ||
| 2 | 575KB3320D | Fork, Shift (2nd/3rd) | $157.05 | Add to Cart | ||
| 3 | 575KB3306B | Fork, Shift (1st/Reverse) | Interchanges with Mack 575KB3395 | $172.77 | Add to Cart | |
| 4 | 591KC3102 | Rail, Shift (1st/Reverse) (T2080) | Call for availability | |||
| 4 | 591KC3164A | Rail, Shift (1st/Reverse) (T2090 & T2100) | Call for availability | |||
| 5 | 591KC3100 | Rail, Shift (2nd/3rd) (T2080) | Call for availability | |||
| 5 | 591KC3165A | Rail, Shift (2nd/3rd) (T2090 & T2100) | Call for availability | |||
| 6 | 591KC3127 | Rail, Shift (4th/5th) (T2080) | Call for availability | |||
| 6 | 591KC3166A | Rail, Shift (4th/5th) (T2090 & T2100) | Call for availability | |||
| 7 | 699KC328 | Shifter (1st/Rev.) (T2080) | Call for availability | |||
| 7 | 699KC42 | Shifter (1st/Rev) (T2090 & T2100) | Call for availability | |||
| 8 | 699KC329 | Shifter (4th/5th) (T2090) | Call for availability | |||
| 8 | 699KC43 | Shifter (4th/5th) (T2090 & T2100) | Call for availability | |||
| 9 | 7AX264X | Screw, Lock (Dog Point) (7/16in-20) | Interchanges with Mack 7AX152, Mack 7AX255. Sold as a 10-pack | $61.55 | Add to Cart | |
| 10 | 301KC242 | Pin, Interlock | Sold as a 10-pack | $66.50 | Add to Cart | |
| 10 | 301KC248 | Pin, Interlock (T2090 & T2100) | Sold as a 5-pack | $19.95 | Add to Cart | |
| 11 | 48AX19 | Ball, Detent (13/16in Dia.) (T2090 & T2100) | Sold as a 3-pack | $11.79 | Add to Cart | |
| 11 | 48AX12 | Ball, Detent (3/4in Dia.) | Sold as a 10-pack | $32.00 | Add to Cart | |
| 12 | 48AX17 | Ball, Detent (1/2in Dia.) | Interchanges with Mack 48AX11. Sold as a 10-pack | $27.90 | Add to Cart | |
| 13 | 107KD157 | Spring | Interchanges with Mack 107KD1177. Sold as a 6-pack | $23.88 | Add to Cart | |
| 14 | 107KD118 | Spring | Sold as a 5-pack | $31.10 | Add to Cart | |
| 15 | 107KD116 | Spring | Sold as a 5-pack | $15.75 | Add to Cart | |
| 16 | 411KC18A | Plunger | $22.04 | Add to Cart | ||
| 17 | 21AX28 | Nut (1/2in-20 NF) | Call for availability | |||
| 18 | 37AX6 | Washer, Lock | Sold as a 16-pack | $38.56 | Add to Cart | |
| 19 | 36AX5 | Washer, Flat | $2.49 | Add to Cart | ||
| 20 | 521CK114 | Rocker | Call for availability | |||
| 21 | 311KC215 | Pin, Pivot (T2080) | $22.46 | Add to Cart | ||
| 21 | 3AX2050 | Pin, Pivot (T2090 & T2100) | Call for availability | |||
| 22 | 393KB56 | Auxiliary Shift | $1,668.55 | Add to Cart | ||
| 23 | 56AX534 | O-Ring | Interchanges with Mack 56AX504. Sold as a 10-pack | $36.00 | Add to Cart | |
| 24 | 56AX513 | O-Ring | Sold as a 10-pack | $52.08 | Add to Cart | |
| 25 | 336KC311 | Piston | $121.44 | Add to Cart | ||
| 26 | 56AX533 | O-Ring | Interchanges with Mack 56AX503 | $1.96 | Add to Cart | |
| 27 | 35AX1446X | Washer | Sold as a 5-pack | $16.25 | Add to Cart | |
| 28 | 207SH35 | Kit, O-Ring (T2090 & T2100) | Includes (2) 14142, (2) 56AX513, (2) 56AX534 | $13.51 | Add to Cart | |
| 29 | 21AX360 | Nut | Sold as a 5-pack | $13.60 | Add to Cart | |
| 30 | 629KB318 | Gasket, Cover | Sold as a 6-pack | $21.42 | Add to Cart | |
| 31 | 575KB450 | Fork | $173.73 | Add to Cart | ||
| 32 | 629KB250 | Gasket, Shifter | Sold as a 5-pack | $29.92 | Add to Cart | |
| 33 | 629KB411 | Gasket, Shifter Cover | Sold as a 6-pack | $30.79 | Add to Cart |
No parts match that search. Try the part number with no dashes.
This is the illustrated parts breakdown for the Mack T2080 / T2090 / T2100 Transmission, with every part in these diagrams matched to our live inventory. We stock 269 of the 303 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.
More Mack parts manuals: Mack Transmission Parts Manuals · Mack Differential Parts Manuals