2007 Peterbilt 379, Caterpillar C13 Engine @ 525 horsepower, 10 Speed Eaton Fuller Transmission, Power Steering, Air Brakes, Air Conditioned, Cruise Control, AM/FM/CD Radio, Engine Brake, Tilt & Telescopic Wheel, Power Windows, Power Mirrors, Mirror Heat, Differential Lock, 1 - 80 Gallon Aluminum Fuel Tank, 295/75R 22.5 Front Tires on Aluminum Rims, 445/50R 22.5 Rear Super Single Tires on Aluminum Rims, 50,000 GVW (12,000 lb Front, 38,000 lb Rear), 4 Bag Air Ride Suspension. 1998 Weld-It 4596 Gallon 1 Compartment Aluminum Tank, MC 306 AL, 1 - 6" Bottom Loading Head with Brake Lock, Vapor Recovery, No SGA, 1 - 3" Drop Line, Air Operated Internal Valves, 2 - Hose Tubes Length of Right Side, 2 - Small Hose Tubes Across Front, 1 - Small Aluminum Tool Box on Right Side, Safety Cone Holder, Pintle Hook with Light & Air Hookups.