Here is a 2022 Peterbilt 579 powered by a 500hp X15 Cummins engine and an Eaton Fuller 18 speed transmission. Please call or text Austin for more info - thanks! Basic specs: 2022 Peterbilt 579 Cummins X15 500hp Eaton Fuller 18 speed transmission 3.36 rear ratio 244" wheelbase 12,500 lbs. front axle 40,000 lbs. rear axle 4 bag air ride 295/75R22.5 rubber Aluminum wheels Airslide 5th wheel Single horizontal exhaust 230 gallon fuel capacity Jakes/cruise/diff locks Carrier ComfortPro APU FOB: Hartford, SD Miles: 492,000 Price: $57,500