When buying a Kenworth Aerodyne, you chose from a long list of options to customize your ride into something that really reflected your personal style. In all cases, the final result was a quality truck backed by and 80 year history of Kenworth/PACCAR craftsmanship. The W-900 truck model was powered by an epic 450 horsepower, 1099 ci engine that delivered the power you needed for long hauls across America. Kit features detailed turbo-diesel engine, air bag suspension, dual exhaust stacks, air cleaners, hinged front hood, and soft black tires.