Mack TRQ-7220 Transmission Parts Manual
Trasmission Kits
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 208SH85 | Kit, Bearing And Seal (trd/) | Includes (2) 67AX212, (1) 46AX495, (1) 67AX250, (1) 120080, (2) 62AX388, (3) 62AX166, (2) 62AX389, (2) 64AX90, (1) 64AX226, (1) 64AX225, (2) 493, (1) 88AX248BP2, (1) 127SH17B. Quadraplex & Triplex | $1,517.88 | Add to Cart | |
| 1 | 208SH14P1 | Kit, Bearing And Seal (, ) (duplex) | Includes (1) 46AX495, (1) 67AX250, (2) 120080, (2) 67AX212, (2) 62AX388, (2) 62AX166, (2) 62AX389, (2) 64AX183, (1) 64AX226, (1) 64AX225, (1) 64AX90, (1) 64AX134, (1) 88AX248BP2, (1) 127SH17B | $1,445.57 | Add to Cart | |
| 2 | 127SH17B | Set, Gasket, Transmission | For Models: TR 72,720. 722,7220,TRD 72,720,722. 723,725,7220,7230,7250. TRQ 72,7220,TRT 72,722,7220 | $49.63 | 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 | 67AX250 | Bearing | $115.48 | Add to Cart | ||
| 2 | 97AX221A | Ring, Retaining | Interchanges with Mack 97AX221, Mack 97AX49 | $3.23 | Add to Cart | |
| 3 | 186KD129 | Tube, Oil | Interchanges with Mack 186KD131. Sold as a 5-pack | $17.10 | Add to Cart | |
| 4 | 432KC13 | Piston, Oil Pump | $28.33 | Add to Cart | ||
| 5 | 223KD156P265 | Washer, Thrust | (NOTE: Washer thicknesses vary in increments of .001in (between .265in through .291in, when ordering specify desired thickness.)) | — | Call for availability | |
| 6 | 46AX495 | Bearing | Interchanges with BCA 1313SLB, Navistar 972853R91 | $256.49 | Add to Cart | |
| 7 | 504KC11 | Washer, Thrust | — | Call for availability | ||
| 8 | 62AX388 | Cone | Interchanges with Timken 496, Navistar 895852C91 | $53.96 | Add to Cart | |
| 9 | 64AX183 | Cup | Interchanges with Timken 493, Navistar 72162R1 | $35.87 | Add to Cart | |
| 10 | 28KD139P270 | Spacer | NOTE: Spacer thicknesses vary in increments of .001in between .270in through .334in, when ordering specify desired thickness | — | Call for availability | |
| 11 | 151KC116P2 | Key | Sold as a 2-pack | $28.74 | Add to Cart | |
| 12 | 43AX68 | Key | Sold as a 10-pack | $65.34 | Add to Cart | |
| 13 | 67AX286 | Bearing | Interchanges with BCA MR1309EL, Navistar 717008R91 | $106.21 | Add to Cart | |
| 14 | 4AX1 | Screw, Pto Cover (3/8in-16 X 1in) | Interchanges with Mack 361SZ102, Mack 361SZ684 | — | Call for availability | |
| 15 | 42AX613 | Key | Interchanges with Mack 42KB625. Sold as a 10-pack | $69.96 | Add to Cart | |
| 16 | 64AX226 | Cup | Interchanges with Timken 613B, BCA 613B | $83.56 | Add to Cart | |
| 17 | 62AX166 | Cone | Interchanges with Timken 621, Navistar 74441R91 | $47.55 | Add to Cart | |
| 18 | 233KD18 | Washer, Thrust | Sold as a 2-pack | $18.28 | Add to Cart | |
| 19 | 31AX496 | Pin, Drive | — | Call for availability | ||
| 20 | 67AX212 | Bearing | Interchanges with BCA J48-2064, Mack 67AX111 | $21.90 | Add to Cart | |
| 21 | 31KD155 | Spacer | — | Call for availability | ||
| 22 | 36AX3 | Washer, Pto Cover | Interchanges with Navistar 38R | $1.33 | Add to Cart | |
| 23 | 63AX1041 | Plug, Fill | — | Call for availability | ||
| 23 | 49AX47 | Plug, Magnetic Drain | — | Call for availability | ||
| 24 | 6AX1359X | Screw, Cleaner Cover | Interchanges with Navistar 1670574C1 | $2.77 | Add to Cart | |
| 25 | 6AX493 | Screw (3/8-16 X 1) (socket Head) | $2.43 | Add to Cart | ||
| 26 | 789KC117 | Sleeve, Oil Pump | Use in | $38.84 | Add to Cart | |
| 27 | 88AX454 | Seal, Input Shaft | Use in. Interchanges with Mack 88AX400 | $38.31 | Add to Cart | |
| 28 | 21AX657 | Nut, Main Drive Pinion | $33.31 | 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 | 97AX221A | Ring, Retaining | Interchanges with Mack 97AX49 | $3.23 | Add to Cart | |
| 2 | 267KC18A | Nut, Mainshaft | Interchanges with Mack 267KC18 | $20.58 | Add to Cart | |
| 3 | 36AX7X | Washer, Rear Mainshaft Cover | $1.16 | Add to Cart | ||
| 4 | 62AX389 | Cone, Mainshaft | Interchanges with Timken 66589 | $73.16 | Add to Cart | |
| 5 | 64AX225 | Cup, Mainshaft | Interchanges with Timken 66521DB | $295.50 | Add to Cart | |
| 6 | 28KD140P306 | Spacer | NOTE: Spacer thickness vary in increments of .001in between .306in through .361in, when ordering specify desired thickness | — | Call for availability | |
| 7 | 88AX248BP2 | Seal, Rear | Interchanges with National 455018 | $38.91 | Add to Cart | |
| 8 | 38MU353 | Yoke, Drive (2-1/4in Spline, 3-1/4in Dia. Hub) | Interchanges with Dana 6-4-1971 | $417.37 | Add to Cart | |
| 9 | 297KB22 | Clamp | — | Call for availability | ||
| 9 | 297KB124P1 | Clamp | $19.11 | Add to Cart | ||
| 10 | 3AX1803X | Screw (7/8in-14 X 2-1/4in) | Interchanges with Mack 3AX1749X. Sold as a 5-pack | $41.58 | Add to Cart | |
| 11 | 21AX658 | Nut | $20.44 | Add to Cart | ||
| 12 | 6AX493 | Screw (3/8in-16 X 1in) (socket Head) | $2.43 | Add to Cart | ||
| 13 | 297KB17 | Clamp | — | Call for availability | ||
| 14 | 64AX134 | Cup, Countershaft | Interchanges with Timken 612X | $106.46 | Add to Cart | |
| 15 | 62AX166 | Cone, Countershaft | Interchanges with Timken 621, Navistar 74441R91 | $47.55 | Add to Cart | |
| 16 | 42AX613 | Key, Countershaft | Interchanges with Mack 42AX625. Sold as a 10-pack | $69.96 | Add to Cart |
Shifter Components
Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 4AX165 | Screw | — | Call for availability | ||
| 2 | 36AX4 | Washer | $1.18 | Add to Cart | ||
| 3 | 37AX9 | Washer | — | Call for availability | ||
| 4 | 79AX35 | Plug (1in Welch) | — | Call for availability | ||
| 5 | 629KB250 | Gasket (new Style) | Sold as a 5-pack | $29.92 | Add to Cart | |
| 5 | 646KB11 | Gasket | Sold as a 5-pack | $13.55 | Add to Cart | |
| 7 | 4AX269 | Screw | — | Call for availability | ||
| 8 | 6AX1317X | Screw (loc Patch) | 7/16in-14 x 1-1/4in. Interchanges with Mack 4AX4. Sold as a 5-pack | $28.38 | Add to Cart | |
| 9 | 640KB37 | Gasket | — | Call for availability | ||
| 10 | 49AX234Z | Plug | Interchanges with Navistar 444631. Sold as a 5-pack | $6.57 | Add to Cart | |
| 11 | 21AX28 | Nut | — | Call for availability | ||
| 12 | 36AX5 | Washer | Interchanges with Navistar 1662463C1 | $2.49 | Add to Cart | |
| 13 | 37AX6 | Washer | Sold as a 16-pack | $38.56 | Add to Cart | |
| 14 | 521KC14 | Rocker, 4th/5th | — | Call for availability | ||
| 15 | 699KC232P1 | Shifter, 4th/5th Rocker | — | Call for availability | ||
| 16 | 7AX264X | Screw | Sold as a 10-pack | $61.55 | Add to Cart | |
| 17 | 575KB250A | Fork, 4th/5th | — | Call for availability | ||
| 18 | 699KC230 | Shifter, 2nd/3rd | — | Call for availability | ||
| 19 | 411KC18A | Plunger | $22.04 | Add to Cart | ||
| 20 | 107KD118 | Spring | Sold as a 5-pack | $31.10 | Add to Cart | |
| 21 | 48AX17 | Ball (1/2in Dia.) | Interchanges with Mack 48AX11. Sold as a 10-pack | $27.90 | Add to Cart | |
| 22 | 107KD116 | Spring | Sold as a 5-pack | $15.75 | Add to Cart | |
| 23 | 699KC229 | Shifter, 1st/Reverse | — | Call for availability | ||
| 24 | 591KC295A | Rail, 2nd/3rd | — | Call for availability | ||
| 25 | 591KC296D | Rail, 1st/Reverse | — | Call for availability | ||
| 26 | 591KC2113B | Rail, Lo Range | — | Call for availability | ||
| 27 | 302KC11 | Pin, Interlock | — | Call for availability | ||
| 28 | 521KC13 | Rocker, 1st/Reverse | — | Call for availability | ||
| 29 | 311KC111A | Pin, 1st/Reverse And 4th/5th Rocker | — | Call for availability | ||
| 30 | 699KC228P1 | Shifter, 1st/Reverse Rocker | — | Call for availability | ||
| 31 | 36AX3 | Washer, Lock, Compound Hand Control (3/8in) | Interchanges with Navistar 38R | $1.33 | Add to Cart | |
| 32 | 1MR2297 | Switch, Reverse | Interchanges with Navistar 454925C1. Sold as a 5-pack | $78.05 | Add to Cart | |
| 33 | 699KC231 | Shifter, 4th/5th | — | Call for availability | ||
| 34 | 591KC294A | Rail, 4th/5th | — | Call for availability | ||
| 35 | 591KC111 | Rail, 1st/Reverse | — | Call for availability | ||
| 36 | 591KC119A | Rail, Compound | — | Call for availability | ||
| 37 | 88AX114 | Seal, Shift Rail | Interchanges with National 481570, Navistar 109938R91 | $13.18 | Add to Cart | |
| 38 | 591KC2107B | Rail, Hi Range | — | Call for availability | ||
| 39 | 6AX1308X | Screw, Compound Hand Control (3/8in-16 X 1-1/4in) | Interchanges with Navistar 60001R91. Sold as a 5-pack | $19.35 | Add to Cart |
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This is the illustrated parts breakdown for the Mack TRQ-7220 Transmission — every part in these diagrams, matched to our live inventory. We stock 54 of the 89 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