2024 Peterbilt 389, Cummins, X15, 605HP, Fuller 18 Speed Transmission, Sleeper, , , Stock # 1708865 Brand New 2024 Peterbilt 389! 72" Flattop sleeper, Cummins 605/2050 X15, 18 speed manual, 3.36 rears, 280" wheelbase, air ride front axle, flex air suspension. Ready for all of your custom adds! Call Rush Truck Center Tulsa today to make sure this one is still available!