2018 Peterbilt 337, PACCAR, PX-9, 350HP, Allison 6 speed Auto Transmission, Day Cab, , , Stock # 819301 2018 Peterbilt 337 single axle day cab. PX-9 350 HP. 76,113 miles. Allison 3000 RDS-P Automatic Transmission. Unit has been serviced, DOT inspected and DPF has been cleaned. Call today for more information and ask about our 90 day warranty option! Price does not include state and local taxes; tags; registration or title fees; dealer-imposed fees, including document preparation, processing or servicing fees, or any optional equipment or upfitting work selected by buyer. Valid while supplies last. Images shown may not reflect actual vehicle.