The Santa Fe Super Chief 4-Car add-on set contains a set of four sleepers, two each of the American Car and Foundry 10-6 and 4-4-2 stainless steel sleeper cars.
The number designations indicated the number of different rooms of a certain type. In the case of the 10-6 it meant 10 roomettes and 6 double bedrooms, while for the 4-4-2 it meant 4 compartments, 2 drawing rooms, and 4 double bedrooms.
All cars are fully details and ready to roll with low flange wheels, KATO magnetic knuckle couplers and shock absorber construction. All cars can be upgraded with 11-211/212 interior Lighting LED kits.