Year: 2005 | Make: Peterbilt | Model: 379 | Mileage: 687,612 Miles | Fuel Type: Diesel | Engine: Caterpillar C15 (6NZ) | Horsepower: 500 HP | Transmission: Eaton-Fuller 18-Speed Manual | Drive Type: 6×4 | Rear Axle Ratio: 3.55 | Front Axle Capacity: 12,000 lbs | Rear Axle Capacity: 40,000 lbs | Wheelbase: 222 in | Sleeper: 36 in Flat Top | VIN: 1XP5DB9X55N852844

This 2005 Peterbilt 379 is powered by a Caterpillar C15 diesel engine with the 6NZ engine serial designation, delivering 500 HP. It comes equipped with an Eaton-Fuller 18-speed manual transmission, a 3.55 rear axle ratio, and a 6×4 drivetrain with tandem rear axles and air-ride suspension. Additional heavy-duty features include an engine brake, differential lock, and a two-line wet kit with dump valve. The engine has been overhauled, with 200,000 miles reported since the overhaul.

The truck has a 36-inch flat-top sleeper with heat, air conditioning, a radio, and woodgrain interior trim. It comes equipped with dual fuel tanks, including a split driver-side tank, dual exhaust, full fenders, and aluminum wheels. The sliding, locking fifth wheel provides adjustable trailer positioning, making the truck suitable for a range of commercial hauling applications.

This Peterbilt 379 has a 222-inch wheelbase, a 12,000-lb front axle, and 40,000-lb rear axles. It rides on 11R22.5 Michelin tires and combines a conventional long-hood design with a tandem-axle chassis and sleeper configuration for heavy-duty transport.