Model: The frames and floors are constructed of metal. The detailed trucks have special wheel sets. The sliding doors can be opened. The roof walks, ladders, and other details are separately applied. The couplers can be replaced by other makes of couplers. All of the cars come individually packaged.
Length over the couplers for each car 15.5 cm / 6-1/8".
DC wheel set for each car 4 x 32 0552 (NEM), 4 x 32 0389 (RP25).
This car set goes very well with the "Big Boy" steam locomotive available under item no. 37994.