| № | Номер | Название | Опции | Альт |
| L100803 | TRANSMISSION | ASSEMBLY - complete for W18B, Allison No. 6885698, parts list Figures 6-14 through 6-34, Includes: Ref. 1 - 24 | |
| L100804 | TRANSMISSION | ASSEMBLY - complete for W20C, Allison No. 23010700, parts list Figures 6-14 through 6-34, no longer available, order L126396 transmission below, Includes: Ref. 1 - 24 | |
| L113717 | TRANSMISSION | ASSEMBLY - complete for W20C, Allison No. 23019621, parts list Figures 6-14 through 6-34, no longer available, order L126396 transmission below, Includes: Ref. 1 - 24 | |
| L126396 | TRANSMISSION | ASSEMBLY - complete for W20C, Twin Disc No. N66536, parts list Figures 6-14 through 6-34, Includes: Ref. 1 - 24 | |
| 1 | L31165 | NUT | - special, flange washer retaining | |
| 2 | D47424 | WASHER | - flange retaining | |
| 2a | D71437 | O-RING,1.475" ID x 1.895" OD | - flange | |
| 3 | L36064 | FLANGE | - transmission to rear axle drive shaft | |
| 4 | N8349 | SEAL,65.2mm ID x 92.2mm OD x 12.32mm Thk | OIL SEAL - flange | |
| 5 | D47486 | SNAP RING | SNAP RING - internal type | |
| 6 | N6400 | BEARING ASSY,1.9685" ID x 3.5433" OD x 0.7874" | BALL BEARING - output shaft | |
| 7 | L36058 | SHAFT | - output, axle drive | |
| 8 | D47487 | GEAR | - transfer | |
| 9 | D51506 | BUSHING | SPACER - bearing | |
| 10 | D47489 | ROLLER BEARING | BALL BEARING - output shaft | |
| 11 | N8349 | SEAL,65.2mm ID x 92.2mm OD x 12.32mm Thk | OIL SEAL - shaft | |
| 12 | L36055 | FLANGE | - transmission to front axle drive shaft | |
| 13 | D47424 | WASHER | - flange retaining | |
| 13a | D71437 | O-RING,1.475" ID x 1.895" OD | - flange | |
| 14 | L31165 | NUT | - flange washer retaining | |
| 15 | L33620 | PLUG | - housing | |
| L33621 | BRAKE | ASSEMBLY - parking, Includes: Ref. 16 - 21 | |
| 16 | L33622 | PLATE | - backing | |
| 17 | L33579 | ROLLER | - brake | |
| 18 | N8445 | SPRING | - brake shoe return | |
| 19 | D47524 | BRAKE SHOE | SHOE AND LINING ASSEMBLY - brake | |
| D47501 | LINING | KIT - parking brake lining, Includes: Ref. 19A & 19B | |
| 19a | NSS | NOT SOLD SEPARAT | LINING - brake | |
| 19b | L33939 | RIVET | - brake lining | |
| 20 | D47526 | LEVER | - brake shoe | |
| 21 | D47527 | DRUM | - brake | |
| 22 | 121-215 | LOCK BOLT,Lock Place, Hex, 3/8" - 24 x 3/4", Gr 8 | BOLT - hex head, 3/8" - 24 NF x 3/4" | |
| 22a | 196-1 | WASHER,13/32" x 13/16" x .089", HDN | - flat, 3/8", hardened, plated | |
| 23 | 121-402 | LOCK BOLT,Lock Place, Hex, 1/2" - 13 x 7/8", Gr 8 | BOLT - hex head, 1/2" - 13 NC x 7/8" | |
| 24 | L33981 | PLUG | - cup | |