With mechanical locking center differential
1, 2 - bearing,
3 - main gear drive shaft,
4 - main gear drive gear.
With viscous coupling
1 - bearing,
2 - right cup of the final drive pinion,
3 - retaining ring,
4 - intermediate shaft side gears No. 2,
5 - viscous coupling assembly,
6 - left cup of the final drive pinion,
7 - main gear drive gear.