Heavy Duty Trucks - Conventional Trucks w/ Sleeper, Cummins ISX, , 500 Horse Power, Flex Air Suspension, Wheels, Wheel Base, 11R22.5 Tire Size, Tandem Axle, 3.55 Ratio, THE PETERBILT STORE - RICHMOND, Very clean Peterbilt 387 with a lot to offer! Comes with a Cummins ISX engine with 500 hp. Includes a double bunk for extra travelers. Call your Sales Representatives today for more information! This truck includes a 90-day limited warranty on all major components. Ask your sales representative for further details.