Navistar has completed its largest one-time sale of International LoneStar trucks to the truckload fleet Celadon Trucking Services.

It purchased nearly 500 of on-highway tractors equipped with Cummins ISX15 engines, according to the Illinois-based truck maker.

“Celadon is a true partner and this is another example of the confidence the market has in our products,” said Bill Kozek, president, North America Truck and Parts.

Celadon is also one of the fleets using OnCommand Connection, which provides access to real-time fault codes, vehicle locations, nearby dealer locations and fault code actions plans. Today, the company supports nearly 50,000 vehicles through OnCommand Connection, including all makes.