What gear should the tractor transmission be in after uncoupling the trailer?

After uncoupling the trailer, the tractor transmission should be in neutral. This is important for several reasons.

When the transmission is in neutral, it allows the tractor to remain stable and prevents any unintended movement. This is particularly crucial as it ensures safety when you are disconnecting the trailer and managing equipment or loading/unloading cargo. Having the transmission in neutral minimizes the risk of rolling or shifting while you are away from the tractor.

Additionally, if the transmission were in forward or reverse, it might inadvertently engage the tractor, which could lead to accidents or damage. Placing the transmission in park is typically associated with vehicles with automatic transmissions, but in the context of a tractor and trailer operation, ensuring it is in neutral is the standard best practice. This helps create a safe working environment after the trailer is uncoupled.