379EXHD, Heavy Duty Trucks - Conventional Trucks w/ Sleeper, Caterpillar 3406, 18 Spd, 1991 Peterbilt 379 EXHD 18 SPEED 63'' Standup Sleeper Cat 3406 Engine MOTOR UNDER 10k MILES 550 Horse Power Low 24.5 Virgin Tires New Pins New Turbo New starter New Rear Ends All Aluminum Wheels AC Doesn't work Door handles are rough, 550 Horse Power, Air Ride Suspension, Wheels, 265 Wheel Base, 24.5, Tandem Axle, Ratio, 63 Stand Up Sleeper