New Kenworth W990 Mid-roof Sleeper for sale. Features: Dual Exhaust Stacks, 255-gallon Fuel Capacity, Navigation, Heated Leather Seats, Liftable Lower Bunk, Power Locks, Power Windows, and more. Visit Liberty Kenworth and Coopersburg Kenworth to see our HUGE inventory of new and new and used dump trucks, daycabs, sleepers, trailers, and more. Locations: Coopersburg, PA (near Allentown), Swedesboro, NJ (near Philadelphia), Bristol, PA (near Philadelphia), and TRP Parts in Pottstown, PA (near Reading).