CASCADIA 125 EVOLUTION, Heavy Duty Trucks - Tank Trucks - Gasoline / Fuel, Detroit DD15, DT12, 2016 Cascadia Evolution Mid Roof XT, with fuel efficiency package, Detroit DD15 505 HP Engine and Detroit DT12 Automatic Transmission, Disc Brakes, Hill Start Aid and Automatic Traction Control, Webasto Heater, Premium Interior and Premium Insulation and built in refrigerator. This one is ready for the road!!!, 505 Horse Power, Air Ride Suspension, All Aluminum Wheels, 236 Wheel Base, 11R22.5, Tandem Axle, Ratio,