Each of the cars show light wear, and they are in very. 511 Flat Car with Load (1927-40). 512 Gondola with Load (1927-39). 513 Cattle Car (1927-38). 514 Refrigerator Car (1927 & 28). 515 Tank Car (1927-40). 516 Hopper Car with Load (1928-40). There was no No. This is a very special set, with some of these cars nearing 100 years old.