DD15! SUPER CLEAN! DOUBLE BUNK! Design for fuel efficiency and mechanical reliability! These Cascadia's have a 72" Raised Roof double bunk sleepers. Plenty of storage and cabinets that fit standard size appliances. Equipped with a Detroit DD15 475HP engines, Detroit DT12 transmissions. These trucks have been redesigned with an easy to read instrument cluster and have ergonomically repositioned dashboard and switches for driver comfort. Call for more details!