2023 Peterbilt 579, PACCAR, MX-13, 455HP, PACCAR 12 Speed Transmission, Sleeper, , , Stock # 1532158 2023 Peterbilt 579, PACCAR, MX-13, 455HP, PACCAR 12 Speed Transmission, Sleeper, , , Stock # 1532158 Brand new Carrier APU included on truck. Financing available!!