Mack T310M Transmission Parts Manual
Transmission Kits
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 208SH116 | Kit, Bearing And Seal | Includes (2) 67AX204, (1) 46AX410, (1) 67AX311, (1) A1228H1204, (3) 62AX489, (3) 127539, (6) 62AX487, (6) 64AX292, (1) 46AX522, (1) 46AX538, (1) 67AX335, (3) 62AX292, (3) 64AX16, (3) 67AX343, (1) 80AX775, (1) 207SH42, (3) 555AM7, (1) 97AX274, (2) 129594, (1) 555AM4, (4) 97AX171, (1) 107KD118, (1) 107KD116, (1) 207SH38, (1) Mack, (1) 207SH34, (4) 48AX17, (1) 223KD329, (4) 223KD328, (3) 223KD262, (3) 223KD267, (1) 31KD2136 | $1,838.15 | Add to Cart | |
| 1 | 208SH116B | Kit, Bearing And Seal (major Rebuild Kit) | New design. Includes (1) 46AX410, (1) A1228H1204, (1) 46AX522, (1) 46AX538, (3) 62AX489, (3) 62AX292, (6) LM501349, (3) 64AX16, (6) 64AX292, (3) JLM104910, (2) 67AX204, (1) 67AX311, (1) 67AX335, (3) 67AX343, (1) 80AX775, (1) 207SH42, (1) 107KD116, (1) 107KD118, (3) 107KD247, (3) 107KD260, (1) Mack, (1) 207SH46, (1) 207SH47, (1) 223KD241, (3) 223KD262, (3) 223KD267, (4) 223KD328, (1) 223KD329, (3) 35AX1446X, (1) 3AX1731, (8) 7AX264X, (1) 31KD2136, (1) 31KD2169, (1) 31KD2170, (2) 301KC248, (1) 342SH598, (1) 411KC18A, (4) 48AX17, (3) 48AX19, (1) 49AX259, (2) 49AX262, (3) 79AX57X, (1) 79AX71 | $2,133.86 | Add to Cart | |
| 2 | 207SH42 | Kit, Gaskets And Seals | Includes (1) 629KB331A, (1) 629KB328B, (1) 629KB335A, (1) 629KB411, (1) 629KB53A, (1) 629KB250, (1) 629KB251, (3) 88AX349P3, (1) 88AX454, (1) 88AX463, (1) 56AX558, (3) 56AX539, (3) 56AX541, (1) 56AX381, (2) 14765, (1) 56AX568 | $134.82 | Add to Cart | |
| 3 | Transmission Retaining Ring Kit | Kit, Rings | Includes (1) 97AX54, (1) 97AX226, (10) 97AX151, (5) 97AX171, (1) 97AX266, (1) 97AX274, (2) 97AX284, (1) 97AX260, (1) 97AX262, (1) 555AM4, (1) RR-IR36-4, (1) 555AM5, (3) 79AX39, (1) 49AX234Z, (1) 49AX259 | $110.93 | Add to Cart | |
| 3 | 207SH36A | Kit, O-ring (range Cylinder) (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 | |
| 4 | 207SH38 | Kit, O-ring (range Cylinder) (late) | Includes (1) 89KB21, (1) 561KC22, (1) 561KC23, (1) 56AX558, (2) 14765, (2) 56AX568, (1) 629KB251 | $151.68 | Add to Cart | |
| 5 | 207SH46 | Kit, Shim (front Box Countershaft) | Includes (6) 741KC321CP3, (3) 741KC321CP5, (3) 741KC321CP6, (3) 741KC321CP7, (3) 741KC321CP15, (3) 741KC321CP30, (3) 741KC321P40, (3) 741KC321P50, (3) 741KC321P60 | $305.65 | Add to Cart | |
| 5 | 207SH47 | Kit, Shim (rear Box Countershaft) | Includes (3) 741KC323P3, (3) 741KC323AP5, (3) 741KC323P6, (3) 741KC323AP7, (3) 741KC323P15, (9) 741KC323P30, (3) 741KC323P70, (3) 741KC323P80, (3) 741KC323P90 | $324.89 | Add to Cart | |
| 6 | Transmission O-Ring Kit | Kit, O-ring | Includes (3) 56AX539, (3) 56AX541, (2) 56AX568, (2) 14765, (1) 56AX558, (1) 56AX410 | $23.45 | Add to Cart |
Compound and Main Case Assembly
Click 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 Req’d) | 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 Req’d) | 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 | Fitting, 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 Req’d) | Sold as a 5-pack | $29.87 | Add to Cart | |
| 13 | 63AX51081R | Fitting (2 Req’d) | 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 Directional | $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) (2 Req’d) (7/16in-20) | 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 Unit 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 |
Input Shaft
Click 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) | $267.27 | Add to Cart | ||
| 4 | 764KB330 | Gear | $645.15 | Add to Cart | ||
| 4 | 25501307 | Gear (TM308) (60 Teeth) | New design | $1,509.22 | 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 | 46AX410 | 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 | 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 | New design. Interchanges with BCA MA1205EL | $61.41 | Add to Cart | |
| 14 | 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 | |
| 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 |
Main Case Components
Click 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 Req’d) | $23.50 | Add to Cart | ||
| 4 | 25501770 | Gear, Mainshaft, 4th (TM308) | New design. 42 Teeth x 35 Splines | $819.84 | Add to Cart | |
| 4 | 751KB3539 | Gear, Mainshaft, 4th/8th | $486.59 | Add to Cart | ||
| 5 | 223KD329 | Washer, Thrust (1 Req’d) | $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 (T310M) | 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 Req’d) | Sold as a 4-pack | $97.61 | Add to Cart | |
| 10 | 223KD249 | Washer, Thrust (5 Req’d) | $23.60 | Add to Cart | ||
| 11 | 25501311 | Gear, Mainshaft, 6th (TM308) | New design. 36 Teeth x 30 Splines | $1,338.28 | Add to Cart | |
| 11 | 751KB4140 | Gear, Mainshaft, 2nd/6th | $387.21 | Add to Cart | ||
| 12 | 97AX151 | Ring, Retaining (2 Req’d) | Sold as a 10-pack | $49.27 | Add to Cart | |
| 13 | 320KB3149 | Clutch, Sliding (2 Req’d) | $281.16 | Add to Cart | ||
| 14 | 751KB4141 | Gear, 1st/5th | $347.85 | Add to Cart | ||
| 15 | 223KD267 | Washer, Thrust (3 Req’d) | Sold as a 3-pack | $70.49 | Add to Cart | |
| 16 | 751KB4147 | Gear, Lo-range Speed | — | Call for availability | ||
| 16 | 751KB4164 | Gear, 1st/6th | $760.80 | Add to Cart | ||
| 17 | 751KB4163 | Gear, Reverse | $1,214.25 | Add to Cart | ||
| 18 | 80AX775 | Race, Bearing | $47.44 | Add to Cart | ||
| 19 | 207KC22 | Retainer, Idler Shaft | — | Call for availability | ||
| 20 | 97AX265 | Ring | Sold as a 5-pack | $28.68 | Add to Cart | |
| 21 | 67AX335 | Bearing | Interchanges with 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 | ||
| 24 | 25098566 | Gear, Maindrive Countershaft | New design. TM308) (60 Teeth | $1,253.90 | Add to Cart | |
| 25 | 25501771 | Gear, Maindrive Countershaft, 4th | New design. TM308) (38 Teeth | $872.45 | Add to Cart | |
| 25 | 757KB4126 | Gear, Countershaft, 4th/8th (53 Teeth) | $425.19 | Add to Cart | ||
| 26 | 757KB3223 | Gear, Countershaft, 2nd/6th | $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 | 605KC4232 | Countershaft (w/o Pto) | — | Call for availability | ||
| 29 | 605KC4233 | Countershaft (pto Version) | $2,247.53 | Add to Cart | ||
| 30 | 611KC33 | Shaft, Reverse Idler | — | Call for availability | ||
| 31 | 615KC4209 | Mainshaft, Front (T309, T310) | Interchanges with Mack 25503706 | $1,218.59 | Add to Cart | |
| 31 | 615KC4210 | Mainshaft, Front (w/ Oil Hole Through Shaft) | New design | $813.50 | Add to Cart | |
| 31 | 615KC4203 | Mainshaft, Front | $515.31 | Add to Cart | ||
| 32 | 67AX343 | Bearing | $38.45 | Add to Cart | ||
| 33 | 42AX642 | Key | $43.41 | 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 | 451KC3112 | Retainer, Housing | — | Call for availability | ||
| 38 | 751KB2104 | Gear | — | Call for availability | ||
| 39 | 223KD262 | Washer, Thrust | Sold as a 3-pack | $18.56 | Add to Cart |
Rear Case Components
Click 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 | $650.81 | Add to Cart | ||
| 4 | 751KB3495A | Gear, Compound | $547.62 | Add to Cart | ||
| 4 | 764KB4278 | Gear, Compound | 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 Req’d) | Interchanges with Mack 495KB363. Sold as a 8-pack | $156.29 | Add to Cart | |
| 8 | 495KB367 | Disc, Reaction (8 Req’d) | 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) | 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 | 223KD249 | Washer | $23.60 | Add to Cart | ||
| 20 | 97AX284 | Ring, Retaining | Interchanges with Mack 97AX261. Sold as a 5-pack | $26.95 | Add to Cart | |
| 21 | 84KC47 | Hub, Lo Range | $578.39 | Add to Cart | ||
| 21 | 84KC46 | Hub, Lo Range | $436.01 | Add to Cart | ||
| 21 | 84KC410 | Hub, Lo Range (used W/ 320KB464 Synchronizer) | $542.49 | Add to Cart | ||
| 21 | 84KC411 | Hub, Lo Range (used W/ 320KB464 Synchronizer) | $593.74 | Add to Cart | ||
| 22 | 97AX267 | Ring, Retaining | $10.66 | Add to Cart | ||
| 22 | 97AX258 | Ring, Retaining | Sold as a 5-pack | $19.85 | Add to Cart | |
| 23 | 46AX538 | Bearing | $60.65 | Add to Cart | ||
| 24 | 601KC422 | Mainshaft | $871.02 | 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/ 320KB464 Synchronizer) | $516.93 | Add to Cart | ||
| 32 | 88AX463 | Seal | Interchanges with National 4489VX | $16.50 | Add to Cart | |
| 33 | 451KC420B | Retainer | $113.37 | Add to Cart | ||
| 34 | 297KB219P2 | Clamp | Interchanges with Mack 297KB124P2, Mack 297KB117BP2 | $17.49 | Add to Cart | |
| 34 | 297KB29A | Clamp | $34.19 | 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 | 605KC4227 | Countershaft | $655.99 | 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) (use W/ Countershaft) | 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 | $1,412.17 | Add to Cart | ||
| 48 | 320KB3147 | Assembly, Synchronizer | $1,086.39 | Add to Cart | ||
| 49 | 85132094 | Assembly, Synchronizer (backtapper Gear) | $1,087.02 | Add to Cart | ||
| 49 | 208SH99 | Kit, Synchronizer (used W/ 320KB3147 Synchronizer) | Includes (8) 495KB361, (8) 495KB367, (3) 301KC240B, (3) 301KC241B, (6) 48AX17, (6) 58AX276. Interchanges with Mack 208SH97 | $359.27 | Add to Cart | |
| 50 | 757KB3326 | Gear, Compound Reverse | — | Call for availability | ||
| 51 | Synchronizer Upgrade Kit | Kit, Synchronizer Upgrade | Includes (1) 320KB464, (1) 84KC410 | $2,359.47 | Add to Cart | |
| 51 | Synchronizer Upgrade Kit | Kit, Synchronizer Upgrade | Includes (1) 84KC411, (1) 751KB4176, (1) 320KB464 | $2,506.04 | Add to Cart | |
| 51 | Synchronizer Upgrade Kit | Kit, Synchronizer Upgrade | Includes (1) 84KC411, (1) 751KB4175, (1) 320KB464 | $2,359.47 | Add to Cart | |
| 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 | Interchanges with TOFIR1816 | $18.83 | Add to Cart | |
| 55 | 85148828 | Kit, Synchronizer Repair | Includes (1) 320KB464, (1) 84KC411, (1) 751KB4176, (1) 575KB457, (1) 7AX264X, (1) 3AX1803X, (1) 351KC331B, (1) 46AX538, (1) 88AX463, (1) 629KB335A, (1) 629KB53A | $3,066.61 | Add to Cart | |
| 56 | 67AX335 | Bearing | $14.78 | Add to Cart |
Shifter Components
Click 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/Reverse | — | Call for availability | ||
| 8 | 699KC43 | Shifter, 4th/5th | — | Call for availability | ||
| 9 | 7AX264X | Screw, Lock (dog Point) | 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 | Interchanges with Mack 311KC27A | $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 | 14765 | O-ring (1in Id X 1-1/4in Od) | Interchanges with Mack 56AX564, 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 2-1/2in Od) | 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 | 207SH36A | Kit, Range Cylinder O-ring (early) | Includes (1) 5X1083, (1) 56AX557, (1) 56AX381, (1) 56AX559, (1) 56AX560, (1) 56AX552, (1) 56AX569, (2) 14765, (1) 56AX558, (1) 56AX561, (3) 56AX568 | $23.84 | 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 | Transmission O-Ring Kit | Kit, O-ring | Includes (3) 56AX539, (3) 56AX541, (2) 56AX568, (2) 14765, (1) 56AX436, (1) 56AX558, (1) 56AX410 | $23.45 | Add to Cart | |
| 42 | 561KC22 | O-ring | Sold as a 5-pack | $318.37 | Add to Cart | |
| 43 | 591KC3194 | Rail, Range (w/ 5.50in Shaft) | $174.29 | Add to Cart | ||
| 43 | 591KC3194P2 | Rail, Range (w/ 6.25in Shaft) | $189.93 | Add to Cart | ||
| 44 | 629KB251 | Gasket (T309L) | Sold as a 5-pack | $34.90 | Add to Cart | |
| 44 | 89KB21 | Ring, Wear (T310M) | Sold as a 5-pack | $169.46 | 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 6AX407. 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 T310M Transmission — every part in these diagrams, matched to our live inventory. We stock 224 of the 253 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