Frame steel Ratio 3.36 Wheel Base 236 Suspension AG-380 Front Axle 13200 Rear Axle 40000 Transmission Fuller Engine Make Cummins Engine Model ISX 15L Transmission Model RTLO-18918B Transmission Speed 18 Transmission Type Manual Engine Type Diesel Front Wheels Aluminum Rear Wheels Aluminum All Sleeper Size 76 Sleeper Type AEROCAB