Replacement Spare Parts for MACK

O.E.M. REF. DESCRIPTION

(191 HB 25/18) CLUTCH DISC HUB (18 HOLES-10 SPLINES)
(320 KB 3140 C) T/M REAR CASE SYNCHRONIZER ASSEMBLY (WITHOUT DISCS)
(48 KH 413) DIFF. PINION BEARING HOUSING
(MACK-1) DIFF. GEAR AND PINION (9-21)
(MACK-1/GEAR) DIFF. DRIVE GEAR (FOR SET 9-21)
(MACK-1/PINION) DIFF. DRIVE PINION (FOR SET 9-21)
(MACK-2) DIFF. SPUR PINION (12T.)
(MACK-3) DIFF. DRIVE PINION FLANGE (10 SPLINES)
(MACK-4) DIFF. DRIVE PINION FLANGE (6 SPLINES)
1 SH 13 CLUTCH PEDAL ADJUSTING ARM ASSEMBLY
11 BC 261 DIFF. POWER DIVIDER WEDGE
11 BC 264 B DIFF. POWER DIVIDER CAM, MALE
11 BC 3122 A DIFF. SPUR PINION SHAFT BEARING RETAINER
11 BMT 301 DIFF. SPUR GEAR (42T.)
12 AB 113 STRG. LEVER BALL STUD
12 BC 1110 FRONT WHEEL BEARING ADJUSTING NUT
12 BC 181 STRG. KNUCKLE BUSHING, UPPER
12 BC 182 STRG. KNUCKLE BUSHING, LOWER
12 BC 255 A STRG. KNUCKLE KING PIN
12 BX 22 STRG. LEVER
12 BX 238 STRG. CROSS LEVER R.H. AND L.H.
121 SH 228 T/M FIRST SPEED GEAR (49-26T.)
121 SH 235 POWER TAKE OFF REVERSE GEAR (17T.)
121 SH 396 T/M FIRST SPEED GEAR (48-28T.)
121 SH 400 T/M FIRST AND SECOND SPEED CLUTCH GEAR (28T.)
121 SH 401 T/M THIRD AND FOURTH SPEED CLUTCH GEAR (26T.)
121 SH 477 T/M MAIN DRIVE GEAR (41-26T.)
121 SH 563 T/M DRIVE GEAR (28T.)
121 SH 564 T/M MAINSHAFT GEAR (32T.)
121 SH 565 T/M THIRD SPEED GEAR (36T.)
121 SH 566 T/M MAINSHAFT REVERSE GEAR (42T.)
121 SH 567 T/M FIRST SPEED GEAR (44T.)
121 SH 568 T/M SECOND SPEED GEAR (40T.)
121 SH 571 T/M COUNTERSHAFT THIRD SPEED GEAR (33T.)
121 SH 573 T/M COUNTERSHAFT DRIVE GEAR (40T.)
121 SH 577 A T/M AUXILIARY DRIVE GEAR (28T.)
121 SH 579 T/M AUXILIARY MAINSHAFT LOW SPEED GEAR (42-18T.)
121 SH 615 T/M DRIVE GEAR (24T.)
121 SH 616 T/M DRIVE GEAR (32T.)
121 SH 663 A T/M SECOND AND THIRD SPEED SYNCHRONIZER ASSEMBLY (18 SPLINES)
121 SH 715 T/M DRIVE GEAR (32T.)
121 SH 716 T/M FOURTH SPEED GEAR (28T.)
121 SH 717 T/M COUNTERSHAFT DRIVE GEAR (37T.)
121 SH 805 T/M FIRST SPEED SLIDING GEAR (50T.)
121 SH 806 T/M SECOND AND THIRD SPEED CLUTCH GEAR (16T.)
121 SH 810 T/M REVERSE IDLER GEAR (29-33T.)
121 SP 47 DIFF. SIDE GEAR (16T.-16 SPLINES)
121 SP 50 DIFF. SIDE GEAR (16T.-16 SPLINES)
121 SP 61 DIFF. SIDE GEAR (16T.-23 SPLINES)
121 SP 69 DIFF. SIDE GEAR (16T.-16 SPLINES)
121 SP 71 DIFF. SIDE GEAR L.H. (18T.-16 SPLINES)
121 SP 73 DIFF. SIDE GEAR (16T.-24 SPLINES)

Last update 08/02/2016 Page 1 of 10

 Replacement Spare Parts for MACK
O.E.M. REF. DESCRIPTION
121 SP 74 DIFF. SIDE GEAR (16T.-24 SPLINES)
121 SP 80 DIFF. SIDE GEAR (16T.-20 SPLINES)
123 SH 45 T/M COUNTERSHAFT (15-22-12T.)
124 SP 38 DIFF. DRIVEN GEAR (31T.)
125 SP 65 DIFF. GEAR AND PINION (10-23)
125 SP 66 DIFF. GEAR AND PINION (10-23)
125 SPA 29 DIFF. GEAR AND PINION (9-22)
125 SPA 40 DIFF. GEAR AND PINION (9-22)
125 SPA 69 DIFF. GEAR AND PINION (9-22)
128 SP 15 T/C LOW SPEED DRIVEN GEAR (46T.)
128 SP 63 DIFF. DRIVEN GEAR (24T.)
129 SP 19 T/C LOW SPEED SLIDING GEAR (18T.)
129 SP 23 T/C MAINSHAFT SLIDING GEAR (23T.)
129 SP 81 DIFF. DRIVE GEAR (24T.)
129 SP 88 DIFF. INPUT GEAR (16-31T.)
132 SP 35 DIFF. SPUR GEAR (42T.)
132 SP 50 DIFF. IDLER GEAR (29T.)
132 SP 53 DIFF. SLIDING CLUTCH GEAR (17-17T.)
143 SPA 18 DIFF. HOUSING
158 GB 33 B ENGINE FRONT SUPPORT BRACKET
16 EHF 42 T/M MAINSHAFT REAR BEARING WASHER
176 HB 116 CLUTCH PRESSURE PLATE EYE BOLT FULCRUM
176 HB 16 CLUTCH PRESSURE PLATE EYE BOLT FULCRUM
19 QD 249 REAR BRAKE CAM R.H.
19 QD 250 REAR BRAKE CAM L.H.
191 HB 25/12 CLUTCH DISC HUB (12 HOLES)
191 HB 25/16 CLUTCH DISC HUB (16 HOLES)
191 HB 25/24 CLUTCH DISC HUB (24 HOLES)
21 AX 351 DIFF. BEVEL PINION NUT
22 QF 49 REAR AXLE HOUSING SPINDLE
221 SZ 45 REAR WHEEL HUB BEARING NUT LOCKING WASHER
223 KD 135 P395 T/M MAINSHAFT THRUST WASHER
223 KD 241 T/M MAINSHAFT THRUST WASHER
226 SH 22 T/M FOURTH SPEED GEAR (21T.)
228 KD 16 P1 T/M FIFTH SPEED GEAR THRUST WASHER
23 AX 228 DIFF. SPUR PINION SHAFT BEARING NUT
23 SH 42 T/M SECOND AND THIRD SPEED SHIFT BLOCK
23 SP 13 TORQUE ROD BALL STUD
24 KH 11013 DIFF. GEAR AND PINION (16-17)
24 KH 11015 DIFF. GEAR AND PINION (16-17)
24 KH 11072 DIFF. GEAR AND PINION (14-17)
24 KH 11073 DIFF. GEAR AND PINION (14-17)
24 KH 141 DIFF. GEAR AND PINION (13-27)
24 KH 146 DIFF. GEAR AND PINION (13-27)
24 KH 1593 DIFF. GEAR AND PINION (12-23)
24 KH 1850 B DIFF. GEAR AND PINION (16-17)
24 KH 1851 A DIFF. GEAR AND PINION (16-17)
24 KH 1873 DIFF. GEAR AND PINION (13-21)
24 KH 1875 DIFF. GEAR AND PINION (13-21)
24 KH 1890 DIFF. GEAR AND PINION (11-21)
24 KH 1893 DIFF. GEAR AND PINION (11-21)
24 KH 1895 DIFF. GEAR AND PINION (10-21)

Last update 08/02/2016 Page 2 of 10

 Replacement Spare Parts for MACK
O.E.M. REF. DESCRIPTION
24 KH 1898 DIFF. GEAR AND PINION (10-21)
24 KH 1901 DIFF. GEAR AND PINION REAR (13-19)
24 KH 1902 DIFF. GEAR AND PINION FORWARD (13-19)
24 KH 1908 DIFF. GEAR AND PINION (13-17)
24 KH 1910 DIFF. GEAR AND PINION (13-17)
24 KH 1915 DIFF. GEAR AND PINION (14-17)
24 KH 1915 A DIFF. GEAR AND PINION (14-17)
24 KH 1915 B DIFF. GEAR AND PINION (14-17)
24 KH 1917 DIFF. GEAR AND PINION (14-17)
24 KH 1917 A DIFF. GEAR AND PINION (14-17)
24 KH 1917 B DIFF. GEAR AND PINION (14-17)
24 KH 1939 DIFF. GEAR AND PINION (16-17)
24 KH 1940 A DIFF. GEAR AND PINION (13-19)
24 KH 1943 DIFF. GEAR AND PINION (14-17)
24 KH 1943 B DIFF. GEAR AND PINION (14-17)
24 KH 1953 A DIFF. GEAR AND PINION (13-19)
24 KH 1953 B DIFF. GEAR AND PINION (13-19)
24 KH 1955 DIFF. GEAR AND PINION (16-17)
24 KH 1956 DIFF. GEAR AND PINION (14-17)
24 KH 1956 B DIFF. GEAR AND PINION (14-17)
24 KH 1994 DIFF. GEAR AND PINION (16-17)
24 KHA 11013 DIFF. GEAR AND PINION (16-17)
24 KHA 11015 DIFF. GEAR AND PINION (16-17)
24 KHA 142 DIFF. GEAR AND PINION (10-23)
24 KHA 147 DIFF. GEAR AND PINION (10-23)
24 KHA 1901 DIFF. GEAR AND PINION REAR (13-19)
24 KHA 1902 DIFF. GEAR AND PINION FORWARD (13-19)
24 KHA 1908 DIFF. GEAR AND PINION (13-17)
24 KHA 1910 DIFF. GEAR AND PINION (13-17)
24 KHA 1915 A DIFF. GEAR AND PINION (14-17)
24 KHA 1917 A DIFF. GEAR AND PINION (14-17)
24 KHA 1939 DIFF. GEAR AND PINION (16-17)
24 KHA 1940 A DIFF. GEAR AND PINION (13-19)
24 KHA 1943 A DIFF. GEAR AND PINION (14-17)
24 KHA 1953 A DIFF. GEAR AND PINION (13-19)
24 KHA 1955 DIFF. GEAR AND PINION (16-17)
24 KHA 1956 A DIFF. GEAR AND PINION (14-17)
24 SH 25 T/M MAIN DRIVE GEAR (24T.)
261 SH 54 T/M MAIN DRIVE GEAR BEARING NUT
261 SH 66 T/M AUXILIARY OUTPUT SHAFT NUT
267 KC 144 A DIFF. DRIVE PINION NUT
267 KC 214 P2 DIFF. DRIVE PINION NUT
274 KC 11 T/M MAINSHAFT REAR BEARING RETAINER NUT
298 KB 213 T/M REAR CASE SYNCHRONIZER SUPPORT PIN CLAMP, FRONT
298 KB 214 T/M REAR CASE SYNCHRONIZER SUPPORT PIN CLAMP, REAR
3 SP 17 DIFF. BEARING ADJUSTER L.H. (20T.)
3 SP 18 DIFF. BEARING ADJUSTER L.H. (20T.)
3 SP 25 DIFF. BEARING ADJUSTER L.H. (17T.)
30 KHA 114 A DIFF. CASING
30 KHA 3321 DIFF. CASE ASSEMBLY (47T.) (2 HALVES) (LESS BEARINGS)
30 KN 22 INTER-AXLE POWER DIVIDER WEDGE
30 KNA 12 INTER-AXLE POWER DIVIDER WEDGE SET (24 PCS.)

Last update 08/02/2016 Page 3 of 10

 Replacement Spare Parts for MACK
O.E.M. REF. DESCRIPTION
301 KC 240 B T/M REAR CASE SYNCHRONIZER PIN
301 KC 241 B T/M REAR CASE SYNCHRONIZER PIN
301 KC 243 C T/M REAR CASE SYNCHRONIZER SUPPORT SLEEVE
301 KD 27 A CLUTCH RELEASE YOKE
301 SP 20 DIFF. IDLER PINION (14T.)
301 SP 28 DIFF. PINION GEAR (12T.)
301 SP 36 A DIFF. PINION GEAR (9T.)
301 SP 55 DIFF. PINION GEAR (9T.)
301 SP 59 DIFF. PINION GEAR (9T.)
301 SP 61 DIFF. IDLER PINION (15 T.)
301 SP 62 DIFF. PINION GEAR (10T.)
301 SP 63 DIFF. PINION GEAR (9T.)
303 SH 58 T/M SYNCHRONIZER PLATE LO RANGE - SMALL PIN
303 SH 60 T/M SYNCHRONIZER PLATE HI RANGE
303 SHA 58 T/M SYNCHRONIZER PLATE AND PIN ASSEMBLY
303 SHA 60 T/M SYNCHRONIZER PLATE HI RANGE
303 SP 13 DIFF. HIGH SPEED CLUTCH PLATE (18T.)
303 SP 33 DIFF. HIGH SPEED CLUTCH PLATE (17T.)
305 SP 20 DIFF. IDLER PINION PIN
305 SP 25 DIFF. IDLER PINION PIN
306 SP 60 DIFF. DRIVE PINION (FOR SET 9-22)
307 SP 22 DIFF. SPUR PINION (10T.)
307 SP 35 DIFF. IDLER PINION (14T.)
31 KH 31 DIFF. CASING COVER
31 KN 355 INTER-AXLE POWER DIVIDER CAM, OUTER
31 KN 44 INTER-AXLE POWER DIVIDER CAM, OUTER (25T.)
31 KN 47 INTER-AXLE POWER DIVIDER CAM, OUTER
31 KN 48 INTER-AXLE POWER DIVIDER CAM, OUTER (25T.)
314 SH 48 T/M SHIFT FORK PISTON
32 KH 228 A DIFF. SPIDER
32 KN 38 INTER-AXLE POWER DIVIDER CAM, INNER
320 KB 2116 T/M MAINSHAFT FIRST SPEED SLIDING CLUTCH (22T.)
320 KB 2119 T/M REAR CASE MAINSHAFT SLIDING CLUTCH GEAR (22-22T.)
320 KB 2126 T/M MAINSHAFT FOURTH AND FIFTH SPEED SLIDING CLUTCH (16-16T.)
320 KB 238 C T/M MAINSHAFT FOURTH AND FIFTH SPEED SLIDING CLUTCH (18-21T.)
320 KB 263 C T/M SLIDING CLUTCH COLLAR (22 SPLINES)
320 KB 3136 T/M MAINSHAFT FOURTH AND FIFTH SPEED SLIDING CLUTCH (16-16T.)
320 KB 3137 A T/M MAINSHAFT SLIDING CLUTCH GEAR (22-22T.)
320 KB 3140 C SYNCHRONIZER ASSEMBLY @
320 KB 3141 T/M REAR CASE CLUTCH GEAR (22-22T.)
320 KB 3147 SYNCHRONIZER ASSEMBLY @
320 KB 3148 T/M SLIDING CLUTCH (30T. - 31SPL.)
320 KB 3149 T/M SLIDING CLUTCH (30T. - 31SPL.)
320 KB 332 F T/M REAR CASE SHAFT SLIDING CLUTCH GEAR (27-27T.)
320 KB 340 B T/M MAINSHAFT SECOND AND THIRD SPEED CLUTCH (22-22T.-52 SPLINES)
320 KB 435 T/M REAR CASE SYNCHRONIZER SLIDING CLUTCH (22-22T.)
320 KB 435 A T/M REAR CASE SYNCHRONIZER SLIDING CLUTCH (22-22T.)
320 KB 442 T/M REAR CASE SYNCHRONIZER SLIDING CLUTCH (22-22T.)
320 KB 442 A T/M REAR CASE SYNCHRONIZER SLIDING CLUTCH (22-22T.)
320 KB 450 T/M REAR CASE SYNCHRONIZER SLIDING CLUTCH (22-22T.)
320 KB 450 A T/M REAR CASE SYNCHRONIZER SLIDING CLUTCH (22-22T.)
320 KB 450 B T/M REAR CASE SYNCHRONIZER SLIDING CLUTCH (22-22T.)

Last update 08/02/2016 Page 4 of 10

 Replacement Spare Parts for MACK
O.E.M. REF. DESCRIPTION
320 KB 450 C T/M REAR CASE SYNCHRONIZER SLIDING CLUTCH (22-22T.)
320 KB 459 A T/M REAR CASE SYNCHRONIZER SLIDING CLUTCH (21-22T.)
321 KB 210 T/M REAR CASE HIGH SPEED FIXED CLUTCH GEAR (22T.)
33 KH 263 A DIFF. PINION GEAR (11T.)
33 KN 33 DIFF. POWER DIVIDER DRIVING CAGE
33 KN 378 INTER-AXLE POWER DIVIDER DRIVING CAGE
33 KN 381 INTER-AXLE POWER DIVIDER DRIVING CAGE
33 KN 410 A INTER-AXLE POWER DIVIDER DRIVING CAGE
33 KN 411 INTER-AXLE POWER DIVIDER DRIVING CAGE
33 KN 412 A INTER-AXLE POWER DIVIDER DRIVING CAGE
34 KH 24 A DIFF. SIDE GEAR (24T.-17 SPLINES)
34 KH 242 A DIFF. SIDE GEAR (18T.-17 SPLINES)
34 KH 244 C DIFF. SIDE GEAR (18T.-17 SPLINES)
34 KH 331 DIFF. SIDE GEAR (18T.- 43 SPLINES)
341 SZ 114 T/M MAIN DRIVE GEAR (24T.)
342 SH 111 T/M COUNTERSHAFT DRIVE GEAR SNAP RING
342 SH 338 T/M MAIN DRIVE GEAR SNAP RING
342 SH 440 T/M AUXILIARY MAINSHAFT SNAP RING
342 SH 62 T/M FOURTH AND FIFTH SPEED SYNCHRONIZER SNAP RING
344 SH 26 T/M FOURTH SPEED GEAR (23T.)
351 KC 331 B SYNCHRONIZER PLATE @
36 SH 155 A T/M AUXILIARY MAINSHAFT BUSHING
361 SH 44 CLUTCH PEDAL SHAFT
361 SH 56 CLUTCH PEDAL SHAFT
361 SP 17 A DIFF. SPIDER
361 SP 21 DIFF. SPIDER
361 SP 27 DIFF. SPIDER
361 SP 29 DIFF. SPIDER
361 SP 33 DIFF. SPIDER
361 SP 44 DIFF. SPIDER
361 SP 45 DIFF. SPIDER
361 SP 48 DIFF. SPIDER
363 SP 29 DIFF. DRIVE PINION BEARING SPACER
364 SH 80 T/M COUNTERSHAFT (14-21-16T.)
365 SH 12 T/M REVERSE IDLER GEAR SHAFT
365 SH 23 T/M REVERSE IDLER GEAR SHAFT
365 SH 26 T/M REVERSE IDLER GEAR SHAFT
365 SH 38 T/M REVERSE IDLER GEAR SHAFT
365 SL 15 STRG. GEAR LEVER BALL STUD WITH NUT
366 SH 219 T/M SYNCHRONIZER PLATE SPRING
366 SH 77 T/M MAIN DRIVE GEAR (23T.)
367 SH 139 T/M THIRD SPEED GEAR SLEEVE
367 SH 26 T/M FOURTH SPEED GEAR SLEEVE
367 SH 42 T/M FOURTH SPEED GEAR SLEEVE
367 SH 65 T/M THIRD SPEED GEAR SLEEVE
367 SP 120 DIFF. OUTPUT SHAFT
368 SH 39 T/M FOURTH AND FIFTH SPEED SYNCHRONIZER ASSEMBLY (16-16T.)
368 SH 43 T/M MAINSHAFT
37 QDA 14 REAR BRAKE CAM AND AIR CHAMBER BRACKET R.H.
37 QDA 15 REAR BRAKE CAM AND AIR CHAMBER BRACKET L.H.
371 SH 147 A T/M MAIN DRIVE GEAR BEARING SPACER
371 SH 148 T/M MAINSHAFT GEAR SPACER

Last update 08/02/2016 Page 5 of 10

 Replacement Spare Parts for MACK
O.E.M. REF. DESCRIPTION
371 SH 159 T/M MAINSHAFT GEAR SPACER
372 SH 113 T/M MAIN DRIVE GEAR (18T.)
372 SH 26 A POWER TAKE OFF REVERSE SHAFT (6-6 SPLINES)
372 SH 28 POWER TAKE OFF OUTPUT SHAFT
372 SH 99 T/M MAIN DRIVE GEAR (18T.)
381 SL 21 STEERING DRAG LINK TUBE
39 KH 11 B DIFF. PINION GEAR STUD
43 SH 139 T/M MAIN DRIVE GEAR BEARING RETAINER
43 SP 92 DIFF. CASE (2 HALVES)
43 SPA 86 DIFF. CASE ASSEMBLY (2 HALVES)
441 SH 216 P1 T/M MAINSHAFT GEAR WASHER
441 SH 216 P2 T/M MAINSHAFT GEAR WASHER
441 SH 216 P3 T/M MAINSHAFT GEAR WASHER
441 SH 218 T/M AUXILIARY MAINSHAFT LOW GEAR WASHER
441 SH 219 T/M AUXILIARY MAINSHAFT LOW SPEED GEAR SPACER
441 SH 220 T/M AUXILIARY OUTPUT SHAFT WASHER
441 SH 240 T/M MAINSHAFT GEAR WASHER
441 SH 263 T/M AUXILIARY MAINSHAFT REDUCTION GEAR WASHER
441 SH 281 T/M AUXILIARY MAINSHAFT LOW GEAR WASHER
441 SP 29 A DIFF. HIGH SPEED CLUTCH PLATE THRUST WASHER
441 SP 33 DIFF. SIDE GEAR THRUST WASHER
441 SP 36 DIFF. SIDE GEAR THRUST WASHER
441 SP 59 DIFF. PINION GEAR THRUST WASHER
441 SP 61 DIFF. PINION GEAR THRUST WASHER
441 SP 65 DIFF. PINION GEAR THRUST WASHER
441 SP 66 DIFF. SIDE GEAR THRUST WASHER
441 SP 69 DIFF. PINION GEAR THRUST WASHER
441 SP 70 DIFF. SIDE GEAR THRUST WASHER
441 SP 89 DIFF. HIGH SPEED CLUTCH PLATE THRUST WASHER
441 SP 91 DIFF. SIDE GEAR THRUST WASHER
441 SP 92 DIFF. PINION GEAR THRUST WASHER
441 SP 93 DIFF. HIGH SPEED CLUTCH PLATE THRUST WASHER
441 SP 96 DIFF. PINION GEAR THRUST WASHER
441 SZ 349 DIFF. DRIVE GEAR BOLT WASHER
444 SP 80 DIFF. SIDE GEAR THRUST WASHER
444 SP 81 DIFF. SIDE GEAR THRUST WASHER
46 KH 343A/47 KH 319A DIFF. GEAR AND PINION (15-28)
46 KH 347A/47 KH 319A DIFF. GEAR AND PINION (15-28)
48 AX 11 T/M REAR CASE SYNCHRONIZER BALL
48 AX 17 T/M REAR CASE SYNCHRONIZER BALL
48 SH 33 T/M MAINSHAFT SLIDING CLUTCH (18-18T.)
48 SH 34 T/M AUXILIARY SLIDING CLUTCH (18-18T.)
48 SH 36 T/M MAINSHAFT SLIDING CLUTCH (18-18T.)
48 SH 38 T/M MAINSHAFT SLIDING CLUTCH (18-18T.)
48 SH 39 T/M AUXILIARY MAINSHAFT SLIDING CLUTCH GEAR (20-20T.)
48 SH 40 T/M FOURTH AND FIFTH SPEED SLIDING GEAR (16-16T.)
48 SP 16 DIFF. SLIDING CLUTCH GEAR (18-20T.)
481 SH 62 A T/M THIRD AND FOURTH SPEED SHIFT FORK
481 SH 70 T/M SECOND AND THIRD SPEED SHIFT FORK
495 KB 361 SYNCHRONIZER DISC FRICTION @
495 KB 363 SYNCHRONIZER DISC FRICTION @
495 KB 363 A SYNCHRONIZER DISC FRICTION @

Last update 08/02/2016 Page 6 of 10

 Replacement Spare Parts for MACK
O.E.M. REF. DESCRIPTION
495 KB 367 SYNCHRONIZER DISC @
51 SH 12 T/M THIRD AND FOURTH SPEED CLUTCH COLLAR (26 SPLINES)
51 SH 19 T/M FIRST AND SECOND SPEED CLUTCH COLLAR (28 SPLINES)
51 SH 20 T/M THIRD AND FOURTH SPEED CLUTCH COLLAR (26 SPLINES)
51 SH 28 T/M AUXILIARY MAINSHAFT SHIFT COUPLING (13T.)
51 SH 31 T/M SECOND AND THIRD SPEED SLIDING COLLAR (16 SPLINES)
52 QK 47 REAR SPRING BRACKET CAP
53 KC 486 T/M REAR CASE SYNCHRONIZER HOUSING
53 KC 486 A T/M REAR CASE SYNCHRONIZER HOUSING
53 KC 486 B T/M REAR CASE SYNCHRONIZER HOUSING
53 KC 486 C T/M REAR CASE SYNCHRONIZER HOUSING
53 KC 486 D T/M REAR CASE SYNCHRONIZER HOUSING
53 KC 486 E T/M REAR CASE SYNCHRONIZER HOUSING
55 SP 26 DIFF. CLUTCH COLLAR (19T.-16 SPLINES)
55 SP 28 DIFF. INPUT SHAFT CLUTCH COLLAR (15T.)
551 KC 216 T/M REAR CASE SYNCHRONIZER SCREW
552 KB 229 REAR DRIVE SHAFT FLANGE
552 KB 230 INTER-AXLE DRIVE SHAFT FLANGE
552 KB 231 INTER-AXLE DRIVE SHAFT FLANGE
56 KH 3104 DIFF. SPUR PINION (13T.)
56 KH 3134 P2 DIFF. SPUR PINION (13T.)
56 KH 3136 P2 DIFF. SPUR PINION (14T.)
56 KH 3137 P2 DIFF. SPUR PINION (16T.)
56 KH 3154 P2 DIFF. SPUR PINION (17T.)
56 KH 37 A DIFF. SPUR PINION SHAFT (13T.)
56 KH 426 A DIFF. SPUR PINION (14T.)
56 KH 433 DIFF. SPUR PINION (17T.)
575 KB 457 SHIFTING FORK @
58 AX 276 T/M REAR CASE SYNCHRONIZER SPRING
6 AX 1582 T/M REAR CASE SYNCHRONIZER SCREW
6 AX 1606 X T/M REAR CASE SYNCHRONIZER SCREW
601 KC 339 T/M REAR CASE MAINSHAFT
601 KC 442 T/M REAR CASE MAINSHAFT
605 KC 223 T/M REAR CASE COUNTERSHAFT (14T.)
605 KC 3104 T/M COUNTERSHAFT (13T.)
605 KC 3105 T/M REAR CASE COUNTERSHAFT (12T.)
605 KC 3183 A T/M REAR CASE COUNTERSHAFT (12T.)
605 KC 3184 A T/M REAR CASE COUNTERSHAFT (12T.)
605 KC 343 T/M COUNTERSHAFT (12-18-17T.)
61 KH 3112 A DIFF. SPUR GEAR (53-60T.)
61 KH 38 P2 DIFF. BULL GEAR (51T.)
61 KH 443 GEAR @
61 KH 47 AP7 GEAR @
61 KH 47 AP8 GEAR @
61 KH 47 BP7 GEAR @
61 KH 47 P11 DIFF. SPUR GEAR (54-47T.)
61 KH 47 P2 DIFF. SPUR GEAR (55-47T.)
61 KH 47 P4 DIFF. SPUR GEAR (51-47T.)
61 KH 47 P7 GEAR @
61 KH 47 P8 DIFF. SPUR GEAR (51-47T.)
611 KC 211 T/M REVERSE IDLER GEAR SHAFT
615 KC 168 B T/M MAINSHAFT

Last update 08/02/2016 Page 7 of 10

 Replacement Spare Parts for MACK
O.E.M. REF. DESCRIPTION
615 KC 227 T/M REAR CASE MAINSHAFT
615 KC 233 B T/M REAR CASE MAINSHAFT
615 KC 4135 T/M MAINSHAFT
615 KC 4180 T/M MAINSHAFT
615 KC 4190 MAINSHAFT @
615 KC 4203 T/M MAINSHAFT
615 KC 4204 MAINSHAFT @
615 KC 4204 A MAINSHAFT @
615 KC 444 T/M REAR CASE MAINSHAFT
64 AX 176 DIFF. BEARING CUP R.H.
64 AX 177 DIFF. BEARING CUP L.H.
7 QDA 117 REAR BRAKE SHOE ONLY
736 KB 24 B T/M FIRST SPEED SLIDING GEAR (47T.)
736 KB 318 A T/M REVERSE GEAR (54T.)
738 KB 323 BP2 T/M FIRST AND REVERSE SPEED SLIDING GEAR (46T.)
741 KB 1126 B T/M REAR CASE LOW LOW SPEED GEAR (31-22T.)
741 KB 1206 T/M SECOND SPEED GEAR (37-22T.)
741 KB 1208 P1 T/M THIRD SPEED GEAR (30-22T.)
741 KB 196 B T/M FIRST SPEED GEAR (43-22T.)
741 KB 2242 A T/M REAR CASE LOW SPEED GEAR (23-22T.)
741 KB 2279 T/M FIFTH SPEED GEAR (21-18T.)
741 KB 2283 A T/M REAR CASE HIGH SPEED GEAR (19-22T.)
741 KBA 114 T/M THIRD SPEED GEAR (33T.)
741 KBA 197 A T/M SECOND SPEED GEAR (37T.)
747 KB 2192 T/M REAR CASE COUNTERSHAFT LOW SPEED GEAR (22T.)
747 KB 2219 T/M COUNTERSHAFT DRIVE GEAR (35T.)
747 KB 2220 A T/M REAR CASE COUNTERSHAFT DRIVE GEAR (24T.)
747 KB 2221 T/M REAR CASE COUNTERSHAFT HIGH SPEED GEAR (26T.)
747 KB 289 T/M COUNTERSHAFT CONSTANT MESH GEAR (38T.)
747 KB 292 T/M COUNTERSHAFT THIRD SPEED GEAR (26T.)
747 KB 3114 T/M COUNTERSHAFT FIFTH SPEED GEAR (38T.)
747 KB 331 T/M COUNTERSHAFT FIFTH SPEED GEAR (41T.)
751 KB 223 T/M REVERSE IDLER GEAR (22T.)
751 KB 257 B T/M REAR CASE REVERSE IDLER GEAR (22T.)
751 KB 3106 T/M SECOND SPEED GEAR (51-22T.)
751 KB 3107 T/M FIRST SPEED GEAR (57-22T.)
751 KB 3108 T/M THIRD SPEED GEAR (42T.)
751 KB 3109 T/M FOURTH SPEED GEAR (33T.)
751 KB 3128 B T/M REAR CASE MAINSHAFT LOW SPEED GEAR (45-22T.)
751 KB 3341 B T/M THIRD SPEED GEAR (39T.)
751 KB 3342 MAINSHAFT GEAR @
751 KB 3358 T/M THIRD SPEED GEAR (42T.)
751 KB 3450 B T/M FOURTH SPEED GEAR (27-16T.)
751 KB 3491 T/M REAR CASE DRIVE GEAR (27-22T.)
751 KB 3495 A GEAR @
751 KB 3539 T/M 4TH & 8TH SPEED GEAR (53T.)
751 KB 4123 T/M REAR CASE DRIVE GEAR (30-22T.)
751 KB 4140 T/M SECOND AND SIXTH SPEED GEAR
751 KB 4141 T/M FIRST AND FIFTH SPEED GEAR
751 KB 4164 1ST-6TH SPEED GEAR @
751 KB 489 GEAR @
751 KBA 14 A T/M RANGE GEAR SPLINE SHAFT GEAR (37T.)

Last update 08/02/2016 Page 8 of 10

 Replacement Spare Parts for MACK
O.E.M. REF. DESCRIPTION
752 KB 265 P2 T/M REVERSE IDLER GEAR (29-33T.)
757 KB 242 A T/M COUNTERSHAFT THIRD SPEED GEAR (29T.)
757 KB 243 A T/M COUNTERSHAFT SECOND SPEED GEAR (20T.)
757 KB 316 A T/M COUNTERSHAFT FOURTH SPEED GEAR (39T.)
757 KB 321 A T/M COUNTERSHAFT DRIVE GEAR (47T.)
757 KB 4108 T/M REAR CASE COUNTERSHAFT DRIVE GEAR (52T.)
757 KB 4126 T/M 4TH & 8TH SPEED COUNTERSHAFT GEAR (53T.)
757 KB 428 T/M COUNTERSHAFT FOURTH AND EIGHTH SPEED GEAR (54T.)
757 KB 434 T/M COUNTERSHAFT DRIVE GEAR (47T.)
757 KB 444 T/M COUNTERSHAFT FIFTH SPEED GEAR (54T.)
758 KB 35 T/M COUNTERSHAFT CONSTANT MESH GEAR (41T.)
764 KB 1107 A T/M MAINSHAFT (21-22T.)
764 KB 1146 T/M MAIN DRIVE GEAR (23-21T.)
764 KB 1149 T/M MAINSHAFT (21-22T.)
764 KB 1199 AP2 T/M MAIN DRIVE GEAR (23-21T.)
764 KB 1223 AP1 T/M MAIN DRIVE GEAR (24-16T.)
764 KB 3203 T/M REAR CASE DRIVE GEAR (39-22T.)
764 KB 3264 A T/M DRIVE GEAR (33-16T.)
764 KB 3267 A T/M DRIVE GEAR (36-16T.)
764 KB 3308 T/M INPUT SHAFT GEAR
764 KB 4138 AP1 T/M MAIN DRIVE GEAR (24-16T.)
764 KB 4140 B T/M COMPOUND CASE MAIN DRIVE GEAR (24-16T.)
764 KB 4203 E T/M MAIN DRIVE GEAR (16T.)
764 KB 4248 T/M REAR CASE DRIVE GEAR (30-22T.)
764 KB 4270 T/M REAR CASE DRIVE GEAR (30-22T.)
764 KB 4277 HIGH RANGE GEAR @
764 KB 4279 HIGH RANGE GEAR @
764 KB 468 E T/M MAIN DRIVE GEAR (33-27T.)
764 KB 499 BP1 T/M MAIN DRIVE GEAR (24-16T.)
764 KBA 164 T/M MAIN DRIVE GEAR (25T.)
769 KB 22 B T/M POWER TAKE OFF SPUR GEAR (25T.)
781 KC 118 T/M REAR CASE LOW LOW SPEED GEAR SLEEVE
788 KC 222 T/M THIRD SPEED GEAR SPLINED SLEEVE (22T.)
788 KC 223 T/M REAR CASE LOW SPEED GEAR SLEEVE (22T.)
788 KC 247 T/M SECOND SPEED GEAR SPLINED SLEEVE (22T.)
788 KC 252 T/M FIFTH SPEED GEAR SLEEVE (18-10T.)
788 KC 328 T/M SECOND SPEED GEAR SPLINED SLEEVE (22T.)
788 KC 329 T/M THIRD SPEED GEAR SPLINED SLEEVE (22T.)
788 KC 330 T/M REAR CASE LOW SPEED GEAR SLEEVE (22T.)
8 AC 115 C DIFF. CASING BOLT
8 AC 26 DIFF. BEARING ADJUSTING NUT
8 EHF 32 T/M REVERSE IDLER GEAR SHAFT
8 EJW 17 T/M COUNTERSHAFT
8 EJW 6 T/M MAINSHAFT
8 EJW 7 T/M THIRD AND FOURTH SPEED SLIDING GEAR (24T.)
80 AX 221 REAR BRAKE CAM AND AIR CHAMBER BRACKET BUSHING
84 KC 46 T/M REAR CASE MAINSHAFT LOW SPEED CLUTCH GEAR (30-21T.)
84 KC 47 T/M REAR CASE MAINSHAFT LOW SPEED CLUTCH GEAR (30-21T.)
90 KH 411 INTER AXLE DRIVE SHAFT ASSEMBLY
90 KHA 253 B INTER-AXLE DRIVE SHAFT ASSEMBLY
90 KHA 267 INTER AXLE DRIVE SHAFT ASSEMBLY
97 AX 151 T/M MAINSHAFT RETAINING RING

Last update 08/02/2016 Page 9 of 10

 Replacement Spare Parts for MACK
O.E.M. REF. DESCRIPTION
97 AX 181 T/M COUNTERSHAFT SNAP RING
97 KH 21 INTER-AXLE POWER DIVIDER LOCKOUT CLUTCH GEAR (25T.)
LN 20300 STARTER MOTOR BENDIX DRIVE HOUSING

Last update 08/02/2016 Page 10 of 10