2024 Peterbilt 389 Sleeper Specs. 2024 peterbilt 389 ultra cab 78” x15 565hp 1850 torque 18 speed 3.36 ratio 295 wheel base 11r 22.5 tires diff lock tandem axels. The peterbilt model 389 is built for maximum appeal and enduring performance.

389 78 standup with mocha frost paint. The interior is comfortable and modern, with a kitchen with a microwave,.