Peterbilt 389 Discontinued 2024 Release Date. According to peterbilt, the model 389 will end its production run at the end of the year. The model 389 will end its historic production run at the end of the year, peterbilt said.
This special model celebrates the iconic status of the. Its successor, the new model 589 introduced earlier this year, is now available for order through any of peterbilt’s.