2018 PETERBILT, 389, Heavy Duty Trucks - Day Cab Trucks, CUMMINS X15, Manual, Triaxle Day Cab, X15 Cummins 565 HP, 18 Speed (Model RTLO20918B), 3 Stage Engine Brake, 4.10 Ratio, Air Trac, Double Frame, 20K FA, 46K RA, 20K Pusher, Dual Exhaust, Dual Stainless Breathers, Dual P/S Boxes, 2 Line Wet Kit, Aluminum Headache Rack, 268" WB, 24'7" Bridge, Full Locking Rears, 84" Air Slide 5th Wheel, P/S, A/C, AM/FM CD Bluetooth, Heated Mirrors, Cruise, Tilt/Tele Wheel, Power Windows, Locks, and Mirrors, Dual High Back Seats, Peep Window, Dual 80 Gallon Aluminum Fuel Tanks, 425/65R22.5 Steer Tires on Aluminum Wheels, 11R24.5 Drive Tires on All Aluminum Wheels, Chrome Bumper, MODIFIED EMISSIONS, 565 Horse Power, Air Trac Suspension, All Aluminum Wheels, 268 Wheel Base, , Axle, 4.10 Ratio, , VIN