Component parts of heavy truck Steyr gearbox assembly

1. Gearbox housing
2. Gears
3. Clutch
4. Shift linkage
5. Input shaft
6. Output shaft
7. Bearings
8. Seals
9. Control valve assembly
10. Solenoids
11. Speed sensors
12. Oil pump
13. Filter
14. Cooler
15. Transmission control module (TCM)