Operating components of the gearbox and their purpose
| Included component | Reduction | Purpose |
| Downshift clutch | UD | Connects the input shaft of the gearbox and the sun gear of the reduction planetary gear set |
| Reverse gear clutch | REV | Connects the transmission input shaft and the reverse gear sun gear |
| Overdrive clutch | 0D | Connects the input shaft of the gearbox and the planetary gear carrier |
| First gear and reverse gear brake | LR | Locks the first gear and reverse gear (annulus gear) and the planetary gear carrier |
| Second gear brake | 2ND | Locks the reverse gear sun gear |
