An Overview of the Electric Vehicle (EV) Drivetrain System

An Overview of the Electric Vehicle (EV) Drivetrain System

Electric vehicles continue to surge in popularity. This is in part due to the fact that they are much more environmentally friendly than traditional combustion engine vehicles. However, one of the main reasons for their surge in popularity is that electric vehicle technologies are constantly improving. One of the most important parts of any EV is the drivetrain system, which not many know about. This article will provide an overview of what this system does and how it works.


What is an EV Drivetrain System?

The electric vehicle drivetrain system is responsible for delivering power from the battery to the wheels. It is made up of several different moving parts. However, they all fall into the three main components: the electric motor, drive shafts, and transmission.

The electric motor or engine is the part of the system producing the power. It produces usable torque at about 1,200 RPM and peak torque at around 2,500 to 4,000 RPM. 

It also has an upper usable speed limit of 5,000 to 7,000 RPM. The electric motor is connected to the drive shafts connected to the wheels. 

Speaking of which, the drive shafts are what deliver the torque from the motor to the wheels. They are also responsible for transferring power to the front or rear wheels, depending on the type of vehicle. 

Finally, the transmission helps regulate the electric motor’s speed and torque. It also helps to keep the motor running at its most efficient speed. That way, you can get the most power possible out of your battery. 


Why is an EV Drivetrain System Important?

The EV drivetrain system is important because it is responsible for delivering power to the wheels. Without it, your vehicle would not be able to move or function properly. 

It also helps regulate the speed and torque of the motor. This ensures that the motor is running at its most efficient speed, which in turn helps to extend the range of your vehicle. 

Without this technology, electric vehicles would not be nearly as efficient as they are today. And as battery technology continues to improve, the drivetrain system will become even more important. 


Key Factors of a Successful EV Drivetrain System

The electrification of the drivetrain system is a complex process. For it to be successful, several key factors must be taken into account.

  • The type of electric motor used: There are three main types of electric motors: brushed DC, brushless DC, and induction. 
    • Brushed DC motors are the most common type of electric motor used in EV drivetrains. They are also the simplest and most inexpensive type of motor. 
    • Brushless DC motors are more expensive. However, they are much more efficient and have a longer lifespan. 
    • Induction motors are the most expensive type of electric motor. However, they are the most efficient and have the longest lifespan. 
  • The power output: The motor must produce enough power to move the vehicle.
  • The torque: The motor must produce enough torque to move the vehicle. To achieve this, the motor must have a high torque-to-weight ratio.
  • The speed: The motor must produce enough speed to move the vehicle.


What’s Next for the EV Drivetrain System?

The electric vehicle drivetrain system is constantly evolving. As battery technology improves, the drivetrain system will become even more important. 

Not only that, but the drivetrain system will continue to evolve as well. We may see even more efficient and powerful electric motors in the future. We may also see new types of transmissions that are even better at regulating speed and torque. 



For EV manufacturers, maintaining optimum drivetrain performance in all of their EV fleets is of paramount importance. This is where DATAMYTE comes in: our Digital Clipboard software solution helps you automatically collect, analyze and report on critical quality data in real-time—from anywhere in the world.  

With the DataMyte Digital Clipboard, you can create a comprehensive workflow focused on drivetrain system quality, including torque and speed analysis. As a result, you will be able to make more informed decisions about your electric vehicle drivetrain system and improve your bottom line. 

You can use our EV checklist, which is a customizable template that you can use to track and report on the most important quality data for your electric vehicle drivetrain system. 

Book a demo with us today to learn more about how DATAMYTE can help you optimize your EV drivetrain system.



The drivetrain system is an essential part of every electric vehicle. Therefore, it carries an important responsibility that will impact the overall performance of the EV. That’s why proper drivetrain system maintenance is crucial for every EV manufacturer. 

DATAMYTE’s Digital Clipboard can help you in that regard. Get started by booking a demo today!



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