Mack T309L / T310 Transmission Parts Manual
T309L and T310 - Transmission
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 208SH114 | Kit, Bearing And Seal (T309L) | $2,036.93 | Add to Cart | ||
| 2 | 207SH42 | Kit, Gaskets And Seals | $134.82 | Add to Cart | ||
| 3 | 342SH598 | Kit, Ring (T309L) | $131.80 | Add to Cart | ||
| 4 | 207SH36A | Kit, O-ring (range Cylinder) (early) | New design | $23.84 | Add to Cart | |
| 4 | 207SH38 | Kit, O-ring (range Cylinder) (late) | $151.68 | Add to Cart | ||
| 5 | 207SH46 | Kit, Shim (front Box Countershaft) | $305.65 | Add to Cart | ||
| 5 | 207SH47 | Kit, Shim (rear Box Countershaft) | $324.89 | Add to Cart |
T309L and T310 - Compound and Main Case Assembly
Item 2Item 23Item 19Item 7Item 10Item 27Item 4Item 21Item 6Item 6Item 9Item 5Item 15Item 14Item 16Item 13Item 24Item 12Item 11Item 20Item 3Item 25Item 18Item 1Item 8Item 5Item 6Item 22Item 19Item 17Item 26Item 23Click 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) | Interchanges with Mack 20732000 | $195.16 | Add to Cart | |
| 1 | 342SX32 | Sealant, Silicone Rubber | $12.93 | Add to Cart | ||
| 2 | 301KD43B | Yoke, Clutch Release | $129.97 | Add to Cart | ||
| 3 | 63AX54122 | Fitting | 3 | Sold as a 2-pack | $18.81 | Add to Cart |
| 4 | 43AX41 | Key | Sold as a 5-pack | $14.30 | Add to Cart | |
| 5 | 67AX204 | Bearing | 2 | Sold as a 2-pack | $19.73 | Add to Cart |
| 6 | 88AX349P3 | Seal | Sold as a 3-pack | $16.07 | Add to Cart | |
| 7 | 44AX115 | Fiting, Grease (1/8in X 27) | $2.46 | Add to Cart | ||
| 8 | 79AX71 | Plug, Cup (1-1/4in) | Sold as a 5-pack | $13.14 | Add to Cart | |
| 9 | 629KB53A | Gasket | Sold as a 6-pack | $80.09 | Add to Cart | |
| 10 | 648KB23 | Gasket | Sold as a 5-pack | $16.80 | Add to Cart | |
| 11 | 56AX436 | O-ring | Sold as a 10-pack | $24.00 | Add to Cart | |
| 12 | 9032-1469X4 | Fitting | 2 | Sold as a 5-pack | $29.87 | Add to Cart |
| 13 | 63AX51081R | Fitting | 2 | Sold as a 5-pack | $29.12 | Add to Cart |
| 14 | 63AX3654 | Elbow | Sold as a 5-pack | $25.91 | Add to Cart | |
| 15 | 63AX54128 | Fitting | Sold as a 5-pack | $85.47 | Add to Cart | |
| 16 | 216KD235 | Valve, Air | $183.48 | Add to Cart | ||
| 17 | 63AX1041X | Plug, Oil Fill (1-1/4in Npt) | $80.36 | Add to Cart | ||
| 18 | 629KB411 | Gasket, Cover | Sold as a 6-pack | $30.79 | Add to Cart | |
| 19 | 49AX224 | Plug, Magnetic Filler | $4.89 | Add to Cart | ||
| 20 | 216KD42B | Valve, Slave | $711.73 | Add to Cart | ||
| 21 | 604KC34A | Shaft, Clutch Release | $120.15 | Add to Cart | ||
| 22 | 604KC277A | Shaft, Clutch Release | $48.39 | Add to Cart | ||
| 23 | 7AX264X | Screw, Lock (dog Point) (7/16in-20) | 2 | Sold as a 10-pack | $61.55 | Add to Cart |
| 24 | 629KB335A | Gasket, Cover | Sold as a 5-pack | $63.77 | Add to Cart | |
| 25 | 49AX234Z | Plug, Temperature Sending Uniit Boss (1/4in Npt) | Sold as a 5-pack | $6.57 | Add to Cart | |
| 26 | 412KB213P3 | Pto (rh) (6 Hole) | Interchanges with Mack 412KB218 | $129.95 | Add to Cart | |
| 27 | 412KB310B | Pto (lh) (8 Hole) | Interchanges with Fuller 16596 | $19.11 | Add to Cart |
T309L and T310 - Input Shaft
Item 8Item 2Item 15Item 7Item 6Item 11Item 3Item 1Item 9Item 10Item 16Item 12Item 13Item 4Item 5Item 14Click 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 | 97AX260 | Ring, Retaining | Sold as a 5-pack | $43.23 | Add to Cart | |
| 3 | 403KB295 | Main Drive (w/o Oil Pump Set-up) | Interchanges with Mack 403KB288P2 | $267.27 | Add to Cart | |
| 4 | 764KB3308 | Gear | $645.15 | Add to Cart | ||
| 5 | 97AX125 | Ring, Retaining | $20.20 | Add to Cart | ||
| 6 | 97AX226 | Ring, Retaining | Sold as a 5-pack | $25.99 | Add to Cart | |
| 7 | 49AX410 | Bearing, Main Drive | $60.60 | Add to Cart | ||
| 8 | 97AX262 | Ring, Retaining | Sold as a 5-pack | $78.29 | Add to Cart | |
| 9 | 551KC210 | Screw | — | Call for availability | ||
| 10 | 764KB4203E | Gear, Main Drive (w/o Oil Pump) | Interchanges with Mack 764KB288 | $730.92 | Add to Cart | |
| 10 | 764KB293 | Shaft, Input (w/ Oil Pump) (w/ Oil Tube 186KD129) | Interchanges with Mack 764KB4275 | $614.61 | 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 | $61.41 | Add to Cart | |
| 14 | Maxitorque Input Shaft Kit | Kit, Input Shaft | 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 | |
| 14 | Input Shaft Kit | Kit, Input Shaft | New design. Includes (1) 46AX516, (1) 67AX311, (1) 88AX454, (1) 97AX54, (1) 97AX226, (1) 97AX262, (1) RR-IR36-4, (1) 629KB328B, (1) 432KC13. w/ Oil Pump. Input Shaft (1)764KB293 | $330.91 | Add to Cart | |
| 15 | 186KD129 | Tube, Oil (w/ Shaft Input 764KB293) | Sold as a 5-pack | $17.10 | Add to Cart | |
| 16 | 432KC13 | Piston, Oil Pump (used W/ Input Shaft 764KB293) | $28.33 | Add to Cart |
Main Case Components
Item 1Item 2Item 3Item 27Item 22Item 23Item 24Item 25Item 26Item 28Item 33Item 29Item 35Item 35Item 36Item 7Item 37Item 15Item 32Item 31Item 30Item 19Item 5Item 6Item 8Item 10Item 11Item 12Item 9Item 13Item 12Item 10Item 8Item 9Item 14Item 8Item 9Item 10Item 12Item 18Item 13Item 12Item 9Item 8Item 17Item 18Item 21Item 20Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 320KB3148 | Clutch, Sliding | $164.49 | 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 | 751KB3539 | Gear, 4th/8th Mainshaft | $486.59 | Add to Cart | ||
| 5 | 223KD329 | Washer, Thrust | 1 | $12.75 | Add to Cart | |
| 6 | 97AX266 | Ring, Retaining | Sold as a 5-pack | $23.73 | Add to Cart | |
| 7 | 56AX539 | O-ring | Sold as a 3-pack | $9.60 | Add to Cart | |
| 8 | 97AX172 | Ring, Snap (T309L, T310) | New design. Interchanges with Mack 25106839. Sold as a 5-pack | $48.84 | Add to Cart | |
| 8 | 97AX171 | Ring, Retaining | Sold as a 10-pack | $115.01 | Add to Cart | |
| 9 | 223KD328 | Washer, Thrust | 4 | Sold as a 4-pack | $97.61 | Add to Cart |
| 10 | 223KD249 | Washer, Thrust | 5 | $23.60 | Add to Cart | |
| 11 | 751KB4140 | Gear, 2nd/6th Mainshaft | $387.21 | Add to Cart | ||
| 12 | 97AX151 | Ring, Retaining | 2 | Sold as a 10-pack | $49.27 | Add to Cart |
| 13 | 320KB3149 | Clutch, Sliding | 2 | $281.16 | Add to Cart | |
| 14 | 751KB4141 | Gear, 1st/5th | $347.85 | Add to Cart | ||
| 15 | 751KB284 | Gear (24 Teeth) | $262.61 | Add to Cart | ||
| 15 | 751KB2104 | Gear | — | Call for availability | ||
| 16 | 751KB4147 | Gear, Lo-range Speed | — | Call for availability | ||
| 16 | 751KB4148 | Gear, Lo-range Speed | — | Call for availability | ||
| 17 | 751KB4168 | Gear, Reverse | — | Call for availability | ||
| 18 | 80AX775 | Race, Bearing | $47.44 | Add to Cart | ||
| 19 | 207KC22 | Retainer, Idler Shaft | — | Call for availability | ||
| 20 | 97AX258 | Ring | Sold as a 5-pack | $19.85 | Add to Cart | |
| 21 | 67AX335 | Bearing | Interchanges with INASCH2216, Navistar 375705R91 | $14.78 | Add to Cart | |
| 22 | 62AX489 | Cone | $20.86 | Add to Cart | ||
| 23 | 64AX294 | Cup | $12.46 | Add to Cart | ||
| 24 | 757KB434A | Gear, Maindrive Countershaft | $569.25 | Add to Cart | ||
| 25 | 757KB428A | Gear, 4th/8th Countershaft (54 Teeth) | $511.76 | Add to Cart | ||
| 26 | 757KB3223 | Gear, 2nd/6th Countershaft | $486.32 | Add to Cart | ||
| 27 | 56AX539 | O-ring (front Countershaft Cover) | Sold as a 3-pack | $9.60 | Add to Cart | |
| 28 | 757KB3312B | Gear, 1st/5th Countershaft | $298.01 | Add to Cart | ||
| 29 | 605KC4206 | Countershaft | — | Call for availability | ||
| 29 | 605KC4210 | Countershaft | — | Call for availability | ||
| 29 | 605KC4199 | Countershaft | — | Call for availability | ||
| 29 | 605KC4232 | Countershaft (w/o Pto) | — | Call for availability | ||
| 29 | 605KC4233 | Countershaft (pto Version) | $2,247.53 | Add to Cart | ||
| 30 | 611KC230 | Shaft, Reverse Idler | $54.33 | Add to Cart | ||
| 31 | 223KD262 | Washer, Thrust | 3 | Sold as a 3-pack | $18.56 | Add to Cart |
| 32 | 67AX334 | Bearing | $18.28 | Add to Cart | ||
| 33 | 42AX643 | Key | Sold as a 2-pack | $44.09 | Add to Cart | |
| 34 | 62AX487 | Cone | $15.38 | Add to Cart | ||
| 35 | 64AX292 | Cup | $9.72 | Add to Cart | ||
| 36 | 741KC321CP3 | Shim (.003in Thk) | Sold as a 3-pack | $29.16 | Add to Cart | |
| 36 | 741KC321CP5 | Shim (.005in Thk) | Sold as a 3-pack | $29.16 | Add to Cart | |
| 36 | 741KC321CP6 | Shim (.006in Thk) | Sold as a 3-pack | $29.16 | Add to Cart | |
| 36 | 741KC321CP7 | Shim (.007in Thk) | Sold as a 3-pack | $29.16 | Add to Cart | |
| 36 | 741KC321CP15 | Shim (.015in Thk) | Sold as a 3-pack | $29.16 | Add to Cart | |
| 36 | 741KC321CP30 | Shim (.030in Thk) | Sold as a 3-pack | $29.16 | Add to Cart | |
| 36 | 741KC321P40 | Shim (.040in Thk) | Sold as a 3-pack | $43.46 | Add to Cart | |
| 36 | 741KC321P50 | Shim (.050in Thk) | Sold as a 3-pack | $43.46 | Add to Cart | |
| 36 | 741KC321P60 | Shim (.060in Thk) | Sold as a 3-pack | $43.46 | Add to Cart | |
| 37 | 451KC3108A | Retainer, Housing | — | Call for availability | ||
| 38 | 223KD262P2 | Washer, Thrust | 3 | Sold as a 3-pack | $16.24 | Add to Cart |
| 39 | 615KC4209 | Mainshaft, Front (T309) | Interchanges with Mack 25503706 | $1,218.59 | Add to Cart | |
| 39 | 615KC4210 | Mainshaft (w/ Oil Hole Through Shaft) | New design | $813.50 | Add to Cart | |
| 39 | 615KC4203 | Mainshaft | $515.31 | Add to Cart |
Rear Case Components
Item 5Item 20Item 23Item 54Item 53Item 21Item 22Item 22Item 24Item 26Item 27Item 47Item 30Item 32Item 34Item 35Item 25Item 5Item 19Item 31Item 8Item 13Item 11Item 15Item 10Item 9Item 8Item 48Item 5Item 56Item 4Item 5Item 33Item 7Item 17Item 18Item 16Item 12Item 7Item 6Item 28Item 15Item 3Item 2Item 1Item 40Item 46Item 45Item 44Item 43Item 42Item 41Item 39Item 55Item 38Item 51Item 50Item 37Item 36Item 52Item 14Item 49Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 31KD2136 | Retainer | $77.45 | Add to Cart | ||
| 2 | 46AX517 | Bearing | Interchanges with BCA 118L, Navistar 1666389C1 | $230.97 | Add to Cart | |
| 3 | 788KC286 | Sleeve | $199.82 | Add to Cart | ||
| 4 | 764KB4270 | Gear, Compound (T309L) | $650.81 | Add to Cart | ||
| 4 | 764KB4278 | Gear, Compound (T309L) | Used w/ 320KB464 Synchronizer | $774.37 | Add to Cart | |
| 4 | 764KB4279 | Gear, Compound (used W/ 320KB464 Synchronizer) | $939.61 | 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 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) | Used w/ 320KB464 Synchronizer | $614.28 | Add to Cart | |
| 16 | 320KB459A | Clutch, Synchronizer | $500.30 | Add to Cart | ||
| 17 | 301KC35 | Sleeve, Spring | Sold as a 3-pack | $96.38 | Add to Cart | |
| 18 | 107KD247 | Sleeve, Spring | Sold as a 3-pack | $13.99 | Add to Cart | |
| 19 | 223KD261A | Washer (T309L) | $28.33 | Add to Cart | ||
| 20 | 97AX284 | Ring, Retainer | Interchanges with Mack 97AX261. Sold as a 5-pack | $26.95 | Add to Cart | |
| 21 | 84KC46 | Hub, Lo Range (T309L) | $436.01 | Add to Cart | ||
| 21 | 84KC410 | Hub, Lo Range (used W/ 320KB464 Synchronizer) | $542.49 | Add to Cart | ||
| 22 | 97AX258 | Ring, Retaining (T309L) | Sold as a 5-pack | $19.85 | Add to Cart | |
| 23 | 46AX538 | Bearing | $60.65 | Add to Cart | ||
| 24 | 601KC422 | Mainshaft (T309L) | $871.02 | Add to Cart | ||
| 25 | 751KB3493 | Gear, Lo Range | $904.40 | Add to Cart | ||
| 25 | 751KB4165 | Gear, Lo Range (57 Teeth X 30 Teeth) | New design | $1,710.29 | 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 | ||
| 28 | 320KB3141 | Clutch, Compound | $291.09 | Add to Cart | ||
| 30 | 153KB15 | Bushing, Speedometer Drive | Interchanges with Navistar 26905H. Sold as a 10-pack | $47.29 | Add to Cart | |
| 31 | 751KB4123 | Gear, Hi Range | $509.85 | Add to Cart | ||
| 31 | 751KB4176 | Gear, Hi Range (used W/ Gsa 2497 Synchronizer) | $516.93 | Add to Cart | ||
| 32 | 88AX463 | Seal | Interchanges with National 4489VX | $16.50 | Add to Cart | |
| 33 | 451KC420B | Retainer (T309L) | $113.37 | Add to Cart | ||
| 34 | 297KB219P2 | Clamp (T310M) | 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 (23 Teeth) | — | Call for availability | ||
| 40 | 42AX647 | Key (1/2in X 5-7/16in) | $15.81 | Add to Cart | ||
| 40 | 42AX641 | Key (1/2in X 1-7/8in) | 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 | $19.88 | 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 | 741KC323AP7 | Shim (.007in 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 | |
| 44 | 741KC323P70 | Shim (.070in Thk) | Sold as a 3-pack | $65.93 | Add to Cart | |
| 44 | 741KC323P80 | Shim (.080in Thk) | Sold as a 3-pack | $65.93 | Add to Cart | |
| 44 | 741KC323P90 | Shim (.090in Thk) | Sold as a 3-pack | $65.93 | 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 | Includes (8) 495KB361, (8) 495KB367, (1) 320KB459A, (2) 53KC486E, (3) 301KC243C, (3) 6AX1606X, (3) 298KB213, (3) 298KB214, (3) 301KC34, (3) 301KC35, (3) 107KD247 | $1,086.39 | Add to Cart | |
| 49 | 85132094 | Assembly, 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 | 208SH99 | Kit, Synchronizer | Includes (8) 495KB361, (8) 495KB367, (3) 301KC240B, (3) 301KC241B, (6) 48AX17, (6) 58AX276. Used w/ 320KB3147 Synchronizer. Interchanges with Mack 208SH97 | $359.27 | Add to Cart | |
| 50 | 757KB3326 | Gear, Compound Reverse | — | Call for availability | ||
| 51 | 85148829 | Kit, Synchronizer Repair | Includes (1) 320KB464, (1) 84KC410, (1) 575KB457, (1) 7AX264X, (1) 3AX1803X, (1) 351KC331B, (1) 555AM7, (1) 97AX151, (1) 97AX284, (1) 223KD261A, (1) 56AX558, (1) 88AX463, (1) 629KB53A, (1) 629KB251, (1) 629KB331A | — | Call for availability | |
| 52 | 207SH47 | Kit, Shim | Includes (3) 741KC323P3, (3) 741KC323AP5, (3) 741KC323P6, (3) 741KC323AP7, (3) 741KC323P15, (9) 741KC323P30, (3) 741KC323P70, (3) 741KC323P80, (3) 741KC323P90 | $324.89 | Add to Cart | |
| 53 | 97AX265 | Ring, Retaining | Sold as a 5-pack | $28.68 | Add to Cart | |
| 54 | 80AX775 | Race, Bearing | $47.44 | Add to Cart | ||
| 55 | 605KC476 | Kit, Countershaft | Includes (1) 757KB4106, (1) 42AX641 | $1,030.23 | Add to Cart | |
| 56 | Synchronizer Upgrade Kit | Kit, Synchronizer Upgrade | Includes (1) 320KB464, (1) 84KC410 | $2,359.47 | Add to Cart | |
| 56 | Synchronizer Upgrade Kit | Kit, Synchronizer Upgrade | Includes (1) 320KB464, (1) 84KC410, (1) 764KB4279 | $2,883.97 | Add to Cart | |
| 57 | 67AX335 | Bearing | $14.78 | Add to Cart | ||
| 58 | 85148829 | Kit, Synchronizer Repair | Includes (1) 320KB464, (1) 84KC410, (1) 575KB457, (1) 7AX264X, (1) 3AX1803X, (1) 351KC331B, (1) 555AM7, (1) 97AX151, (1) 97AX284, (1) 223KD261A, (1) 56AX558, (1) 88AX463, (1) 629KB53A, (1) 629KB251, (1) 629KB331A | — | Call for availability |
Shifter Components
Item 41Item 36Item 32Item 9Item 32Item 33Item 31Item 35Item 34Item 33Item 35Item 31Item 49Item 48Item 37Item 38Item 9Item 39Item 40Item 42Item 45Item 47Item 54Item 53Item 52Item 51Item 50Item 9Item 2Item 6Item 9Item 8Item 26Item 21Item 27Item 20Item 25Item 22Item 11Item 10Item 12Item 13Item 3Item 12Item 1Item 11Item 12Item 13Item 15Item 12Item 7Item 9Item 24Item 51Item 23Item 19Item 18Item 17Item 28Item 29Item 30Item 55Item 11Item 5Item 10Item 13Item 16Item 14Item 9Item 4Item 43Click 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 575KC3395 | $172.77 | Add to Cart | |
| 4 | 591KC3164A | Rail, Shift (1st/Reverse) | — | Call for availability | ||
| 5 | 591KC3165A | Rail, Shift (2nd/3rd) | — | Call for availability | ||
| 6 | 591KC3166A | Rail, Shift (4th/5th) | — | Call for availability | ||
| 7 | 699KC42 | Shifter (1st/Rev) | — | Call for availability | ||
| 8 | 699KC43 | Shifter (4th/5th) | — | Call for availability | ||
| 9 | 7AX264X | Screw, Lock (dog Point) (7/16in-20) | 2 | Interchanges with Mack 7AX152, Mack 7AX255. Sold as a 10-pack | $61.55 | Add to Cart |
| 10 | 301KC248 | Pin, Interlock | Sold as a 5-pack | $19.95 | Add to Cart | |
| 11 | 48AX19 | Ball, Detent (13/16in Dia.) | Sold as a 3-pack | $11.79 | Add to Cart | |
| 12 | 48AX17 | Ball, Detent (13/16in Dia.) | Interchanges with Mack 48AX11. Sold as a 10-pack | $27.90 | Add to Cart | |
| 13 | 107KD260 | Spring | Sold as a 3-pack | $15.84 | 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 | Interchanges with Navistar 1662463C1 | $2.49 | Add to Cart | |
| 20 | 521KC114 | Rocker | — | Call for availability | ||
| 21 | 311KC215 | Pin, Pivot | $22.46 | Add to Cart | ||
| 21 | 3AX2050 | Pin, Pivot | — | Call for availability | ||
| 22 | 629KB411 | Gasket | Sold as a 6-pack | $30.79 | Add to Cart | |
| 23 | 1MR3481M | Switch | $23.84 | Add to Cart | ||
| 24 | 541KB29 | Breather | Sold as a 5-pack | $62.87 | Add to Cart | |
| 25 | 31KD2169 | Spacer | $38.68 | Add to Cart | ||
| 26 | 521KC216 | Interlock, Rocker Range | — | Call for availability | ||
| 27 | 35AX1446X | Washer | Sold as a 5-pack | $16.25 | Add to Cart | |
| 28 | 796KC287 | Sleeve | — | Call for availability | ||
| 29 | 107KD242 | Spring | Sold as a 5-pack | $17.35 | Add to Cart | |
| 30 | 529KC25A | Pin | $14.29 | Add to Cart | ||
| 31 | 97AX113 | Ring, Retaining (1-1/4in Id) | Sold as a 5-pack | $13.05 | Add to Cart | |
| 32 | 56AX568 | O-ring (1-7/16in Od - 1-3/16in Id) | Interchanges with Mack 56AX589. Sold as a 10-pack | $26.90 | Add to Cart | |
| 33 | 366KC221 | Plug, Shift Cover (3/4in Id) | — | Call for availability | ||
| 34 | 591KC3177 | Rail, Forward-reverse (multi-speed) | — | Call for availability | ||
| 35 | 56AX564 | O-ring (1in Id X 1-1/4in Od) | Interchanges with Fuller 14765, Navistar 424193C1 | $2.70 | Add to Cart | |
| 36 | 575KB467A | Fork, Hi-reverse | Interchanges with Mack 575KB467 | $429.21 | Add to Cart | |
| 37 | 575KB457 | Fork, Range (hi-lo) | Interchanges with Mack 575KB485 | $382.65 | Add to Cart | |
| 38 | 56AX557 | O-ring (2-5/16in Id X 2-1/2inOD) | Sold as a 10-pack | $29.30 | Add to Cart | |
| 39 | 55KC421 | Cylinder, Range Housing | $226.79 | Add to Cart | ||
| 40 | 561KC23 | O-ring | Sold as a 5-pack | $337.01 | Add to Cart | |
| 41 | 207SH38 | Kit, Range Cylinder O-ring (late) | Includes (1) 89KB21, (1) 561KC22, (1) 561KC23, (1) 56AX558, (2) 56AX568, (2) 14765, (1) 629KB251 | $151.68 | Add to Cart | |
| 41 | 207SH36A | Kit, Range Cylinder O-ring (early) | Includes (1) 5X1083, (1) 56AX557, (1) 56AX559, (1) 56AX560, (1) 56AX552, (1) 56AX569, (2) 14765, (1) 56AX558, (1) 56AX561, (3) 56AX568, (1) 56AX381 | $23.84 | Add to Cart | |
| 42 | 561KC22 | O-ring | Sold as a 5-pack | $318.37 | Add to Cart | |
| 43 | 591KC3194P2 | Rail, Range (w/ 6.25in Shaft) | $189.93 | Add to Cart | ||
| 43 | 591KC3194 | Rail, Range (w/ 5.50in Shaft) | $174.29 | Add to Cart | ||
| 45 | 56AX558 | O-ring | Sold as a 10-pack | $38.80 | Add to Cart | |
| 47 | 6AX1642 | Bolt | — | Call for availability | ||
| 48 | 502KB113 | Dowel | — | Call for availability | ||
| 49 | 629KB335A | Gasket, Cover Rear | Sold as a 5-pack | $63.77 | Add to Cart | |
| 50 | 1MR3482M | Switch, Back-up (w/ Connector) | Normally Open. Interchanges with Mack 1MR3483M | $38.46 | Add to Cart | |
| 51 | 56AX381 | O-ring | Interchanges with CAT 0336042. Sold as a 10-pack | $40.70 | Add to Cart | |
| 52 | 551KC28 | Screw (3/8-16 Nc X 1-1/4in) | — | Call for availability | ||
| 53 | 745-230809 | Fitting | Interchanges with Mack 64AX407. Sold as a 5-pack | $18.45 | Add to Cart | |
| 54 | 63AX6 | Bushing, Reducer (1/4-1/8in Npt) | — | Call for availability | ||
| 55 | 629KB250 | Gasket, Cover | Sold as a 5-pack | $29.92 | Add to Cart |
No parts match that search — try the part number with no dashes.
This is the illustrated parts breakdown for the Mack T309L / T310 Transmission — every part in these diagrams, matched to our live inventory. We stock 209 of the 243 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