This is a Marklin Z scale F7 A Frieght set. Marklin stock number 8106. Road name Chessie System. This set consist of a F7 A unit diesel locomotive,Yellow blue and orange with blue lettering, three 50' box car,blue with yellow cat logo & a caboose, yellow with blue roof and blue lettering. Cab number on loco is 7071. Box car numbers are 479614,35233,23745. Metal wheels,hook style couplers. This set is in excellant or better conditions and has been text ran and found in good running order.