1998 PETERBILT 379 UltraCab Conventional, 72 Inch Unibilt Stand-Up Sleeper, Detroit DD13 Engine, 455 H.P., Engine Brake, 10 Speed Transmission, (Manual), 40,000 Lb. Rear Ends, 3.08 Ratio, Hydraulic Power Steering, Air Conditioned, Chrome Bumper, Dual Chrome Stacks, Dual Stainless Steel Air Cleaners, Stainless Steel Exterior Visor, Cab Extenders, Half Fenders, Adjustable 5th, 240 Inch Wheel Base, 11R22.5 Aluminum Disc Wheels.