ABF's commitment to maintaining a modern and efficient fleet contributes to our outstanding safety and claim prevention record and is a key factor in our transit time consistency. MODERN AND EFFICIENT EQUIPMENT INVENTORY More than 17,000 28-foot van trailers (pups) More than 150 28-foot open top trailers (pups) More than 90 straight trucks More than 2,500 city tractors MODERN, WELL MAINTAINED ROAD POWER UNITS Approximately 1,600 road tractors. Routine preventive maintenance every 5,000 miles or three months for city tractors Routine preventive maintenance every 18,000 miles for road tractors SPECIALIZED EQUIPMENT Lift gate equipment at most major city service center operations. Modified lift gate "pup" available to city service center operations from select hub service centers.* Flatbed equipment available for city pickup and delivery only.* *Not available in all locations. Please consult your ABF representative for details.   Due to the routine maintenance and constant evaluation of our fleet, the actual equipment numbers fluctuate from month to month.