| № | Номер | Название | Опции | Альт |
| L100803 | TRANSMISSION | ASSEMBLY - complete for W18B, Allison No. 6885698, parts list Figures 6-14 through 6-34 | |
| L100804 | TRANSMISSION | ASSEMBLY - complete for W20C, Allison No. 23010700, parts list Figures 6-14 through 6-34, no longer available, order L126396 transmission below | |
| L113717 | TRANSMISSION | ASSEMBLY - complete for W20C, Allison No. 23019621, parts list Figures 6-14 through 6-34, no longer available, order L126396 transmission below | |
| L126396 | TRANSMISSION | ASSEMBLY - complete for W20C, Twin Disc No. N66536, parts list Figures 6-14 through 6-34 | |
| 1 | L33966 | SEALING RING,290.7mm ID x 299.64mm OD x 3.3mm Thk | - large | |
| 2 | L33967 | SEALING RING,233.76mm ID x 242.66mm OD x 3.3mm Thk | - medium | |
| 3 | L33968 | SEALING RING,170.26mm ID x 179.2mm OD x 3.3mm Thk | - small | |
| 4 | N6385 | PISTON | - reverse clutch | |
| 5 | L32404 | GEAR | SUN GEAR - forward and reverse clutch | |
| 6 | L33958 | PLATE | - clutch, external spline | |
| 7 | N7022 | PLATE | - clutch, internal spline | |
| 8 | L35636 | CARRIER | ASSEMBLY - reverse clutch planetary, Includes: Ref. 9 - 13 | |
| 9 | NSS | NOT SOLD SEPARAT | CARRIER AND HUB - reverse clutch planetary | |
| 10 | A12700 | WASHER | - thrust | |
| 11 | L35993 | GEAR | PINION SET - planetary, matched set of 4 | |
| 12 | A12659 | NEEDLE | ROLLER - planetary pinion | |
| 13 | A12705 | SPINDLE | - pinion | |
| 14 | L33973 | ANCHOR | AND PIN ASSEMBLY - forward and reverse clutch | |
| 15 | A55806 | SPRING | - clutch piston return | |
| 16 | D47468 | PIN | - spring guide | |