Model: The cars have metal car floors. They have detailed trucks with special wheel sets. The boxcars have sliding doors that can be opened. The caboose has interior details and platforms at both ends. The roof walkways, ladders, brake system and other details are separately applied. The couplers can be replaced by other makes of couplers. The cars come with different car numbers. Each car is individually packaged. Length over the couplers 45.7 cm / 18".
DC wheel sets 12 x 32 0552 (NEM), 12 x 32 0389 (RP25).
This car set goes well with these Union Pacific (UP)locomotives: the 37991 "Big Boy" locomotive, the 37973 class 2400 "Mikado", and the 37610+49610 class 600 ALCO PA-1 double unit locomotive.