Peterbilt 's Model 357 heavy hauler is a new configuration of the Model 357 vocational truck and tractor that can accommodate high-power engines up to 625 horsepower, such as Caterpillar's C15. A high-capacity cooling system with 1,440 square inches of radiator core surface keeps the powerplant cool. The truck measures 119 inches from bumper to back of the cab, and has a setback front axle. It features a stationary grille, frame extensions, and optional front-engine power take off for special applications such as logging, oilfield and snowplowing. Estimated list price: $100,000 to $125,000.