Peterbilt 389 Discontinued 2024. However, it will likely be kept in production for at least five years. Peterbilt has manufactured the 100,000th model 389 truck at its plant in denton, texas, reaching the milestone on sept.

According to peterbilt, the model 389 will end its production run at the end of the year. The 389 will be discontinued to make way for the new model.