Carolina Panthers 2003 Limited Edition Die Cast Tractor Trailer. These are in excellent condition. Carolina Panthers Kenworth Tractor-Trailer series from Fleer Collectibles. Each 1:80 scale replica tractor-trailer is approximately 9 ½ long and 1 ¼ wide and carries the bold colors and logos of your favorite NFL team. The original box may have some mild wear due to storage through the years.