What Does the Power Divider Do on a Semi Truck?

A power divider is an important part of a semi truck’s drivetrain. It is a device that splits the power that is generated by the engine into two different outputs, one for each of the truck’s axles.

This ensures that both axles of the truck are receiving an equal amount of power to enable efficient propulsion.

The power divider is usually located at the rear of the transmission. It consists of a series of gears, shafts, and other components that are designed to divide engine torque into two separate outputs for each axle. Depending on the type of semi truck, it may also include a limited slip differential and an adjustable locking mechanism to reduce wheel slippage when driving in slippery conditions.

The power divider serves several important functions. First, it helps to distribute torque equally between the front and rear axles so that both wheels can pull their share of weight.

This helps to reduce wear on both axles and allows for more efficient acceleration and braking performance. Secondly, it helps to reduce wheel slippage when driving on slippery roads or surfaces by providing extra traction when needed.

Finally, it helps to increase fuel efficiency by allowing for smoother operation and less drag on the drivetrain due to reduced losses from wheel slippage. Additionally, some modern power dividers may even come with computerized controls that allow drivers to adjust torque distribution between axles according to road conditions in order to maximize fuel efficiency as well.

In Conclusion: The power divider plays an important role in optimizing a semi truck’s performance by evenly distributing torque between its front and rear axle and reducing wheel slippage on slippery surfaces. Additionally, it can increase fuel efficiency by allowing for smoother operation and less drag on the drivetrain due to reduced losses from wheel slippage.

Photo of author

Stephen Dunn