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The powertrain is the mechanism used to convert fuel energy into kinetic one with the use of mechanical parts. In Automobile, powertrain defines the main components that generate mechanical power by the use of the engine and then convert it into kinetic energy.

The powertrain components include engine, clutch, gearbox, Transmission shaft, differential, axle, and wheels. Recently, the components of the hybrid power trains like a battery, electric motor are also added in this category.

The drive line of the motor vehicles includes all the parts of the powertrain expect engine. The major components of the powertrain components in an automobile are explained below:

• Internal Combustion Engine: The engine produces mechanical energy through the internal energy of the fuel by combustion. The engine provides maximum half of its peak output value.

• Clutch: The clutch is an important part of the vehicle as it helps in engaging and disengaging of the engine shaft and the gearbox.

• Gearbox: Gearbox is used to produce variation in gear ratio. The gearbox helps in reducing rpm generated by the engine which in turn help in increasing the torque.

• Transmission shafts: It helps in transferring power from gearbox to the differential located at some angle.

• Differential: It helps the vehicle in taking the turn through the average power transmission to both inner and outer wheels.

Summary: Thus the powertrain components help in reducing RPM generated by the engine and transfer it to the wheels in an efficient and smooth way. It includes battery and electric motor also, located in the hybrid engine.

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