American Diesel Locomotive ATSF FREIGHT F45 2-Unit Set (Atchison, Topeka and Santa Fe Railway) Manufacturer...Athearn Rail Gauge...HO Gauge Body...Plastic Couplers...One Kadee coupler on the front, one Kadee coupler on the rear (the other side has an old US coupler) Box...Has dirt and scratches * Only one unit has a motor and lights; the other is a dummy unit with no motor. * Couplers are Kadee on one side only; by switching the front and rear, it is also possible to couple with the old couplers.