2009 Kenworth T-660, Caterpillar C-15 HP 475 Acert, Eaton Trans 10 Speed Automatic, 72" Aero Cab Sleeper 2 Beds, 336 Ratio, Wheelbase 238, Aluminum Wheels, Tires 11R 22.5, Front Axle Capacity 12,000 LBS, Rear Axle Capacity 40,000 LBS, Sliding 5th Wheel, Jakes, A/C, Power Steering, Cab Extenders, Heather Mirrors, Visor, Power Windows, Dual High Back Seats, Air ride Passenger Seat, Day Light Doors,Dual Tanks.