Mack CRD 150 Differential Parts Manual
Crd 150
Item 28Item 27Item 32Item 31Item 26Item 26Item 30Item 23Item 29Item 22Item 34Item 35Item 24Item 16Item 40Item 7Item 39Item 17Item 18Item 28Item 41Item 1Item 2Item 3Item 37Item 6Item 36Item 8Item 9Item 10Item 11Item 12Item 13Item 33Item 38Item 14Item 33Item 4Item 15Item 19Item 21Item 20Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 297KB29A | Clamp, Front Drive Yoke | Interchanges with Mack 25172212 | $34.19 | Add to Cart | |
| 2 | 88AX458 | Seal, Differential Yoke (Flanged) | Interchanges with National 4491V, Mack 25623960 | $15.71 | Add to Cart | |
| 3 | 49KH335C | Front Seal (W/O Air Lockout) | $100.91 | Add to Cart | ||
| 3 | 49KH336C | Front Seal (W/ Air Lockout) | Interchanges with Mack 25499639 | $171.14 | Add to Cart | |
| 4 | 561KC210 | O-Ring | Interchanges with Mack 21219342 | Call for availability | ||
| 5 | 46AX533 | Bearing, Cage (W/O Lockout) | $63.36 | Add to Cart | ||
| 5 | 46AX490 | Bearing, Cage (W/ Lockout) | Interchanges with Mack 25501125 | $99.64 | Add to Cart | |
| 6 | 33KN411A | Cage, Power Divider (Fine Spline) (W/O Lockout) | $892.55 | Add to Cart | ||
| 6 | 33KN412A | Cage, Power Divider (Fine Spline) (W/ Airlock) | Interchanges with Mack 25105729 | $800.42 | Add to Cart | |
| 7 | 30KN114 | Wedge, Differential Power Divider Set (24 Pcs.) (Current) | Interchanges with Mack 25502720 | $127.38 | Add to Cart | |
| 8 | 35KN24 | Ring, Outer Power Divider | (Use w/ 30KN114 Wedge Set) (Current). Interchanges with Mack 25102626 | $41.56 | Add to Cart | |
| 9 | 32KN38 | Cam, Inner Power Divider | 27 Teeth x 1-3/4 Dia. Spline. Interchanges with Mack 25105717 | $75.62 | Add to Cart | |
| 10 | 267KC234 | Nut, Pinion (2-3/8in-12 - Locking) | 2-3/8in-12. Interchanges with Mack 25097150 | $77.02 | Add to Cart | |
| 11 | 31KN415 | Cam, Outer Power Divider (W/ Lockout) | Interchanges with Mack 21163937 | $743.69 | Add to Cart | |
| 11 | 31KN416 | Cam, Outer Power Divider (W/O Lockout) | $492.21 | Add to Cart | ||
| 12 | 89KB25 | Cone, Bearing | Interchanges with Mack 21170161 | $88.42 | Add to Cart | |
| 13 | 64AX276 | Cup, Front Pinion | Interchanges with Mack 25107704, Navistar 895853C1 | $32.95 | Add to Cart | |
| 14 | 36KN428 | Housing, Pinion Assembly | Includes (1) 89KB24, (1) 64AX276. Interchanges with Mack 21130256 | $858.56 | Add to Cart | |
| 14 | 22937784 | Housing, Pinion Assembly | Includes (1) 89KB24, (1) 64AX276. Interchanges with Mack 21164114 | $1,787.43 | Add to Cart | |
| 15 | 51KH321P10 | Shim, Pinion Housing (.010in Thk) | Interchanges with Mack 21166924. Sold as a 5-pack | $253.69 | Add to Cart | |
| 15 | 51KH321P12 | Shim, Pinion Housing (.012in Thk) | Interchanges with Mack 21166925. Sold as a 5-pack | $258.39 | Add to Cart | |
| 15 | 51KH321P15 | Shim, Pinion Housing (.015in Thk) | Interchanges with Mack 21166926. Sold as a 5-pack | $284.63 | Add to Cart | |
| 16 | 6AX1735 | Screw (12pt) (5/8in-11 X 1-1/2in) | Interchanges with Mack 25501174 | Call for availability | ||
| 17 | 36AX4 | Washer (7/16in I.D.) | Interchanges with Mack 20704748 | $1.18 | Add to Cart | |
| 18 | 6AX1360X | Screw (7/16in-14 X 1-1/2in) | Interchanges with Mack 20705096. Sold as a 10-pack | $37.40 | Add to Cart | |
| 19 | 21238597 | Spacer, Pinion | New design. 3.38in OD x 2.88in ID x .721in Thick. Interchanges with Mack 52KH32P721 | Call for availability | ||
| 19 | 21238603 | Spacer, Pinion | New design. 3.38in OD x 2.88in ID x .727in Thick. Interchanges with Mack 52KH32P727 | Call for availability | ||
| 19 | 21238612 | Spacer, Pinion | New design. 3.38in OD x 2.88in ID x .736in Thick. Interchanges with Mack 52HK32P736 | Call for availability | ||
| 19 | 21238616 | Spacer, Pinion | New design. 3.38in OD x 2.88in ID x .740in Thick. Interchanges with Mack 52KH32P740 | $49.42 | Add to Cart | |
| 20 | 89KB27 | Cone, Bearing | Interchanges with Mack 21170164 | $139.41 | Add to Cart | |
| 21 | 89KB24 | Cup, Bearing | Interchanges with Mack 21170166 | $136.50 | Add to Cart | |
| 22 | 90KH410 | Shaft, Interaxle Assembly | Interchanges with Mack 25101923 | $808.14 | Add to Cart | |
| 23 | 53KH261B | Retainer Assembly () | Interchanges with Mack 25503149 | $215.08 | Add to Cart | |
| 24 | 88KH25A | Tube | Interchanges with Mack 25500991 | $46.17 | Add to Cart | |
| 25 | 46AX531 | Bearing | Interchanges with Mack 25096437 | $47.07 | Add to Cart | |
| 26 | 49KH339B | Interchanges with Mack 25096459 | $37.39 | Add to Cart | ||
| 27 | 88AX456 | Seal | Interchanges with Mack 25624317 | $14.24 | Add to Cart | |
| 28 | 21AX907 | Nut, Locking (1-1/2in-18) | $28.22 | Add to Cart | ||
| 29 | 50KH252P1 | Gasket (.03in Thk) | Interchanges with Mack 25102061. Sold as a 10-pack | $34.10 | Add to Cart | |
| 30 | 50KH252P2 | Gasket (.015in Thk) | Interchanges with Mack 25502419. Sold as a 10-pack | $34.40 | Add to Cart | |
| 31 | 37AX265 | Washer | Interchanges with Mack 25108019. Sold as a 10-pack | $23.50 | Add to Cart | |
| 32 | 6AX1733 | Screw | Interchanges with Mack 25096416 | Call for availability | ||
| 33 | 49AX224 | Plug (3/4in NPT) | Interchanges with Mack 25107929 | $4.89 | Add to Cart | |
| 34 | 21180685 | Housing | Call for availability | |||
| 35 | 24KH21 | Set, Gear (3.40, 3.56, 3.79, 3.98, 4.19 Ratio) (19/23 T) | Interchanges with Mack 21130772 | $1,471.85 | Add to Cart | |
| 35 | 21130919 | Set, Gear | (4.50, 4.80, 5.04, 5.31, 5.66 Ratio) (15/23 T) | $1,265.81 | Add to Cart | |
| 35 | 21130954 | Set, Gear (3.11, 3.25 Ratio) (19/21 T) | $3,419.94 | Add to Cart | ||
| 36 | 33KN416A | Kit, Cage (Fine Spline) (W/O Air Lockout) | Includes (1) 33KN411A, (1) 30KN114, (1) 35KN23, (1) 35KN24 | $1,048.79 | Add to Cart | |
| 36 | 33KN417A | Kit, Cage (Fine Spline) (W/ Air Lockout) | Includes (1) 33KN412A, (1) 25KH22. Interchanges with Mack 21130772 | $1,205.94 | Add to Cart | |
| 37 | 56AX396 | O-Ring | Interchanges with Mack 25106790. Sold as a 5-pack | $23.56 | Add to Cart | |
| 38 | 22442117 | Kit, Power Divider | New design. Includes (1) 31KN415, (1) 32KN38, (1) 25KH22, (1) 33KN412A, (1) 267KC234 | Call for availability | ||
| 38 | Mack Power Divider Kit | Kit, Power Divider (W/ Air Lockout) | Includes (1) 31KN415, (1) 32KN38, (1) 25KH22 | $939.21 | Add to Cart | |
| 38 | Mack Power Divider Kit | Kit, Power Divider (W/O Air Lockout) | Includes (1) 31KN416, (1) 32KN38, (1) 25KH22 | $994.46 | Add to Cart | |
| 39 | 25KH22 | Kit, Wedge Differential Power Divider | Includes (1) 30KN114, (1) 35KN23, (1) 35KN24 | $173.78 | Add to Cart | |
| 40 | 561KC211 | Seal, Pinion | Interchanges with Mack 21136471 | Call for availability | ||
| 41 | 3AX1803X | Screw (7/8in-14) | Interchanges with Mack 25093516. Sold as a 5-pack | $41.58 | Add to Cart |
Crd 150 (2)
Item 40Item 33Item 34Item 1Item 41Item 11Item 10Item 44Item 5Item 6Item 7Item 9Item 8Item 6Item 5Item 4Item 3Item 12Item 14Item 2Item 31Item 35Item 27Item 26Item 30Item 38Item 46Item 36Item 29Item 28Item 42Item 43Item 40Item 37Item 45Item 22Item 25Item 24Item 13Item 18Item 48Item 23Item 21Item 20Item 19Item 45Item 47Item 32Item 15Item 22Item 16Item 17Item 43Item 42Item 28Item 27Item 35Item 29Item 33Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 43KH223 | Nut, Adjusting | Interchanges with Mack 25500869 | $43.71 | Add to Cart | |
| 2 | 64AX267 | Cup, Carrier (R/H) | Interchanges with Mack 25499257 | $97.12 | Add to Cart | |
| 3 | 62AX471 | Cone, Carrier (R/H) | Interchanges with Mack 25108903 | $62.96 | Add to Cart | |
| 4 | 25109848 | Case (R/H) | Interchanges with Mack 20840857 | $596.23 | Add to Cart | |
| 5 | 38KH220 | Washer, Side Gear Thrust (Steel) | Interchanges with Mack 25100250. Sold as a 2-pack | $44.39 | Add to Cart | |
| 6 | 34KH263 | Gear, Side (Fine Spline) (43T) | Interchanges with Mack 21414627 | $190.41 | Add to Cart | |
| 7 | 32KH228A | Spider | Interchanges with Mack 25502609 | $140.00 | Add to Cart | |
| 8 | 33KH263A | Gear, Pinion Spider | Interchanges with Mack 21415491 | $122.18 | Add to Cart | |
| 9 | 37KH210 | Washer, Pinion Thrust (Steel) | Interchanges with Mack 25499008. Sold as a 4-pack | $79.20 | Add to Cart | |
| 10 | 62AX404 | Cone, Carrier (L/H) | Interchanges with Mack 25084763 | $54.30 | Add to Cart | |
| 11 | 64AX239 | Cup, Carrier (L/H) | Interchanges with Mack 25499708 | $75.87 | Add to Cart | |
| 12 | Gear, Bull | Click on following links for more info:. Gear Ratio Application Chart | Call for availability | |||
| 13 | Gear, Helical Pinion | Click on following links for more info:. Gear Ratio Application Chart | Call for availability | |||
| 14 | 3AX1742 | Screw, Carrier (5/8in-18 X 2-1/4in) | Sold as a 12-pack | $182.48 | Add to Cart | |
| 14 | 72KH23 | Screw, Carrier (5/8in-18 X 2-5/8in) | Interchanges with Mack 25097077. Sold as a 12-pack | $113.45 | Add to Cart | |
| 15 | 57KH311 | Helical Pinion | Interchanges with Mack 25502515 | $42.50 | Add to Cart | |
| 16 | 53KH3104 | Retainer, Assembly | New design. Includes (1) 64AX90. Interchanges with Mack 53KH435 | $343.37 | Add to Cart | |
| 17 | 31AX92 | Pin, Lock | Interchanges with Mack 25501800, Navistar 1840591C1 | Call for availability | ||
| 18 | 56AX542 | O-Ring | Interchanges with Mack 21112781 | Call for availability | ||
| 19 | 62AX166 | Cone, Spur Pinion (RH) | Interchanges with Mack 25108498 | $47.55 | Add to Cart | |
| 20 | 64AX90 | Cup, Spur Pinion (RH) | Interchanges with Mack 25083439 | $32.13 | Add to Cart | |
| 21 | Shim | Call for availability | ||||
| 22 | 297KB124P1 | Clamp, Plate | Interchanges with Mack 25160769 | $19.11 | Add to Cart | |
| 23 | 51KH320P10 | Shim, Pinion Adjustment (.010in Thk) | Interchanges with Mack 21189002 | Call for availability | ||
| 23 | 51KH320P12 | Shim, Pinion Adjustment (.012in Thk) | Interchanges with Mack 21189004 | Call for availability | ||
| 23 | 51KH320P15 | Shim, Pinion Adjustment (.015in Thk) | Interchanges with Mack 21189006 | Call for availability | ||
| 24 | 89KB26 | Cup, Spur Pinion | Interchanges with Mack 21170168 | $136.50 | Add to Cart | |
| 25 | 89KB27 | Cone, Spur Pinion (LH) | Interchanges with Mack 21170164 | $139.41 | Add to Cart | |
| 26 | 56AX608 | O-Ring, Cover (L/H) (Plastic Cover) | Interchanges with Mack 20974222 | $22.74 | Add to Cart | |
| 26 | 56AX423 | O-Ring, Cover (L/H) (Metal Cover) | Interchanges with Mack 25091747. Sold as a 10-pack | $56.53 | Add to Cart | |
| 27 | 84KH320A | (L/H) (Metal) | Interchanges with Mack 20704752 | $144.05 | Add to Cart | |
| 28 | 37AX7U | Washer | Interchanges with Mack 20704752. Sold as a 50-pack | $72.20 | Add to Cart | |
| 29 | 6AX1734 | Screw | Interchanges with Mack 25501123 | Call for availability | ||
| 30 | 35AX1251 | Washer, Bearing Cap | Interchanges with Mack 25173765. Sold as a 10-pack | $148.01 | Add to Cart | |
| 31 | 6AX773 | Screw, Bearing Cap (3/4in-10 X 5in) | Interchanges with Mack 25085987. Sold as a 5-pack | $19.00 | Add to Cart | |
| 32 | 6AX1737 | Screw (1/2in-13 X 1-1/2in) | Interchanges with Mack 25501155 | Call for availability | ||
| 33 | 31AX59 | Pin, Adjustment Lock | Interchanges with Mack 25500500. Sold as a 2-pack | $10.91 | Add to Cart | |
| 34 | 29AX5 | Pin, Cotter | Interchanges with Mack 25501432. Sold as a 50-pack | $111.50 | Add to Cart | |
| 35 | 49AX224 | Plug, Filler (Magnetic) (Used With Metal Cover) (3/4 NPT) | Interchanges with Mack 25095708 | $4.89 | Add to Cart | |
| 35 | 49AX309 | Plug, Filler (Used W/ Plastic Cover) | Interchanges with Mack 20953259 | Call for availability | ||
| 36 | 151KC123 | Key | Interchanges with Mack 25500376. Sold as a 5-pack | $74.00 | Add to Cart | |
| 37 | 21180685 | Housing, Carrier Assembly | Straddle Torque Rod Mount | Call for availability | ||
| 38 | 541KB29 | Breather | Interchanges with Mack 541KB16. Sold as a 5-pack | $62.87 | Add to Cart | |
| 39 | 50KH319 | Gasket, Pinion Housing | Interchanges with Mack 20706312 | Call for availability | ||
| 40 | Differential Nest Kit | Kit, Nest | Includes (2) 34KH331, (4) 33KH263A, (2) 38KH218A, (4) 37KH27A, (1) 32KH228A | $831.75 | Add to Cart | |
| 40 | Differential Nest Kit | Kit, Nest (CRD150) | Includes (2) 34KH263, (4) 33KH263A, (2) 38KH220, (4) 37KH210, (1) 32KH228A | $1,044.12 | Add to Cart | |
| 41 | MA21392162 | Assembly, Differential | Call for availability | |||
| 42 | 84KH51 | Kit, Cover | Includes (1) 84KH320A, (1) 56AX423 | $127.53 | Add to Cart | |
| 43 | 49AX73 | Plug (Magnetic 1/2NPT) | Interchanges with Mack 25499271. Sold as a 5-pack | $28.51 | Add to Cart | |
| 44 | 30KH519 | Case (L/H) | Case with 22spline Hub used with PAP808096 Sliding Clutch | $965.53 | Add to Cart | |
| 45 | 3AX1803X | Screw (7/8in-14) | Interchanges with Mack 25093516. Sold as a 5-pack | $41.58 | Add to Cart | |
| 46 | Set, Gear (Refer To Gear Application Chart) | Click on following links for more info:. Gear Ratio Application Chart | Call for availability | |||
| 47 | 50KH319 | Gasket | Interchanges with Mack 20706312 | Call for availability | ||
| 48 | Mack Bearing and Seal Kit | Kit, Bearing And Seal (W/ Air Lockout) | $1,365.34 | Add to Cart |
CRD 150 w/ Lockout
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 6AX1317X | Screw (7/16in-14 X 1-1/4in) | Interchanges with Mack 20704731. Sold as a 5-pack | $28.38 | Add to Cart | |
| 2 | 36AX4 | Washer | Interchanges with Mack 20704748 | $1.18 | Add to Cart | |
| 3 | 88AX458 | Seal, Yoke | Interchanges with Mack 25623960, National 4491V | $15.71 | Add to Cart | |
| 4 | 50KH233 | Gasket | Interchanges with Mack 25502428. Sold as a 5-pack | $19.60 | Add to Cart | |
| 5 | 39KN41BP2 | Housing, Power Divider Shift | Interchanges with Mack 25499538 | $810.03 | Add to Cart | |
| 6 | 97KH21 | Clutch, Lockout | Interchanges with Mack 25105720 | $244.91 | Add to Cart | |
| 7 | 50KH249 | Gasket | Interchanges with Mack 25102059. Sold as a 10-pack | $33.30 | Add to Cart | |
| 8 | 7AX264X | Screw (7/16in-20) | Interchanges with Mack 21078756. Sold as a 10-pack | $61.55 | Add to Cart | |
| 9 | 98KH21B | Fork, Shift | Interchanges with Mack 25113932 | $170.41 | Add to Cart | |
| 10 | 629KB132 | Gasket | Interchanges with Mack 25107584. Sold as a 10-pack | $26.40 | Add to Cart | |
| 11 | 56AX283 | O-Ring, Air Shift Piston | Interchanges with Mack 25107630. Sold as a 5-pack | $15.55 | Add to Cart | |
| 12 | 6AX1317X | Screw (7/16in-14 X 1-1/4in) | Interchanges with Mack 20704731. Sold as a 5-pack | $28.38 | Add to Cart | |
| 13 | 36AX4 | Washer | Interchanges with Mack 20704748 | $1.18 | Add to Cart | |
| 14 | 476KB33B | Cylinder | Interchanges with Mack 25499924 | Call for availability | ||
| 15 | 21AX814 | Nut (1/2in-20) | Interchanges with Mack 20704744. Sold as a 20-pack | $57.00 | Add to Cart | |
| 16 | 31KD152 | Washer | Interchanges with Mack 25501579. Sold as a 5-pack | $43.31 | Add to Cart | |
| 17 | 531KB11 | Felt | Interchanges with Mack 25108504. Sold as a 5-pack | $15.35 | Add to Cart | |
| 18 | 336KC139 | Piston | Interchanges with Mack 25101634 | $145.33 | Add to Cart | |
| 19 | 96KH11 | Spring | $9.97 | Add to Cart | ||
| 20 | 75KH14 | Spacer | Interchanges with Mack 25106301 | $31.05 | Add to Cart | |
| 21 | 50KH110 | Gasket | Sold as a 5-pack | $13.70 | Add to Cart | |
| 22 | 95KH11 | Interchanges with Mack 25499631 | $5.16 | Add to Cart | ||
| 23 | 6AX1304X | Screw (3/8in-16 X 5/8in) | Interchanges with Mack 20705021 | $141.50 | Add to Cart | |
| 24 | 36AX3 | Washer, Lock | Interchanges with Mack 20704747 | $1.33 | Add to Cart | |
| 25 | 49AX138 | Plug | Interchanges with Mack 25107726 | Call for availability | ||
| 26 | 94KH11A | Rail | Interchanges with Mack 25502630 | $140.68 | Add to Cart | |
| 27 | 49KH336C | Interchanges with Mack 25499639 | $171.14 | Add to Cart | ||
| 28 | 46AX490 | Bearing | $99.64 | Add to Cart |
CRD 150 Assembly
Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 97KH32 | Clutch, Gear | Interchanges with Mack 20841349 | $250.72 | Add to Cart | |
| 2 | 98KH41 | Clutch, Fork | Interchanges with Mack 20841506 | $247.12 | Add to Cart | |
| 3 | 551KC220 | Screw, Set (5/16 X 1-1/8in, 12pt Head) | Interchanges with Mack 21322639. Sold as a 4-pack | $32.01 | Add to Cart | |
| 4 | 93KH41 | Piston, Rod | Interchanges with Mack 20841552 | $57.68 | Add to Cart | |
| 5 | 561KC27 | Wear, Ring | Interchanges with Mack 21181243 | $44.93 | Add to Cart | |
| 6 | 96KH22 | Spring | Interchanges with Mack 20895802 | $64.94 | Add to Cart | |
| 7 | 37AX98 | Washer | Interchanges with Mack 25091685 | Call for availability | ||
| 8 | 561KC29 | O-Ring | Interchanges with Mack 21219337, Cummins 43696A | Call for availability | ||
| 10 | 969397 | O-Ring | New design. Sold as a 5-pack | $25.91 | Add to Cart | |
| 11 | 36AX22 | Washer | Interchanges with Mack 20705946 | $1.12 | Add to Cart | |
| 12 | 4AX99 | Screw | Interchanges with Mack 20704710 | Call for availability | ||
| 13 | 1MR3612M | Switch | Interchanges with Mack 21440625 | $38.46 | Add to Cart |
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This is the illustrated parts breakdown for the Mack CRD 150 Differential, with every part in these diagrams matched to our live inventory. We stock 120 of the 151 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