The RMT-New O-gauge Trainmaster Premium Line 662xx series 70 ton Steel Ribbed Side Style 3-bay coal hopper cars are true FULL SIZE 3-rail O-gauge O-scale freight cars. 70 ton 3-bay RIBBED SIDE COAL HOPPER CAR WITH LOAD features: Limited Edition Top COAL LOAD included at no additional charge Different roadNUMBER series for each RR and Up to 300 different roadNUMBERs for each RRname - see each respective roadNAME for details. Scale NMRA weight standard 0-36+ suggested minimum radius Realistic painting - lettering - numbers DIECAST Manually Opening bottom hopper doors Separately applied Brakewheel and stirrip/grabrailings DIECAST metal trucks as Bettendorf Friction Style w/newly designed operating couplers- easy roll metal wheels withRMT wheel bowl raised lettering and swirled cast iron style interior wheel -separate air hose detail FULL SIZE O-gauge - O-scale Dimensions Approx. 11 3/8in.L x 2 5/8in.H x 2 5/8in.W