| Ref | Part Number | Description |
| 1 |
420637506 |
Counter Shaft |
| 3 |
Not |
Available As Spare Part - Shifting Sleeve |
| 4 |
Not |
Available As Spare Part - Thrust Washer |
| 5 |
Not |
Available As Spare Part - Gear Pinion 39T |
| 6 |
Not |
Available As Spare Part - Needle Cage |
| 7 |
420427082 |
Thrust Washer |
| 8 |
420637545 |
Intermediate Shaft Ass'y |
| 10 |
Not |
Available As Spare Part - Thrust Washer |
| 11 |
Not |
Available As Spare Part - Intermediate Gear 24T |
| 12 |
Not |
Available As Spare Part - Needle Cage |
| 14 |
420932780 |
Needle Pin |
| 15 |
420657432 |
Fork Spindle This part replaces 420657430. |
| 16 |
420657476 |
Shifting Block |
| 17 |
420638077 |
Spring |
| 18 |
420257001 |
Shift Fork Ass'y This part replaces 420657537. |
| 19 |
420657559 |
Gearshift Fork Ass'y This part replaces 420657427. |
| 20 |
420638072 |
Spring |
| 21 |
420427140 |
Spring Seat |
| 22 |
420945470 |
Retaining Ring |
| 23 |
420637569 |
Shift Shaft With Gear |
| 24 |
420934080 |
Drive Gear 48T |
| 25 |
Not |
Available As Spare Part - Pinion Drive Shaft 14T |
| 26 |
Not |
Available As Spare Part - Bevel Gear Set |
| 27 |
Not |
Available As Spare Part - Shim |
| 28 |
420257674 |
Shifting Sleeve This part replaces 420257673. |
| 29 |
420257606 |
Shifting Fork |
| 30 |
420832650 |
Needle Pin |