[Truckman]

The drivetrain of a motor vehicle is the group of components that deliver power to the driving wheels.[1] This excludes the engine or motor that generates the power. In contrast, the powertrain is considered to include both the engine or motor and the drivetrain.

From https://en.wikipedia.org/wiki/Drivetrain

Components[edit]
The precise components of the drivetrain vary, according to the type of vehicle.

Some typical examples:

Manual transmission car[edit]

Rear axle with hypoid bevel gear final drive
Clutch
Gearbox
Overdrive Only rarely fitted
Propeller shaft
Rear axle
Final drive
Differential

Automatic transmission car[edit]
Torque converter
Transmission
Propeller shaft
Rear axle
Final drive
Differential