These new RMT 'Trainmaster' Premium cars are new tooling with regards to O gauge scale size, bodyshell and underframe details...more exciting detail for the same low RMT pricing!!! The RMT-New O-gauge Trainmaster Premium Line 861xx series 36ft Wood Side Reefer Cars are true FULL SIZE 3-rail O-gauge O-scale freight cars. 36ft WOOD SIDE REEFER CAR features: Limited Edition Different roadnumbers for each RR Up to 300 different roadNUMBERs for each RRname - see each respective roadNAME for details. Realistic painting - lettering - numbers Opening bodyside doors Non-opening accurate detailed roof hatches DIECAST underframe w/piping detail DIECAST metal trucks w/operating couplers- metal wheels- separate air hose detail FULL SIZE O-gauge - O-scale Dimensions Suggested O-36 Minimum Radius Approx. 10 3/8in.L x 3 9/16in.H x 2 3/8in.W