(...) 2 red 6584 Train Base 6 x 24 and 2 red 4093 Train Base 6 x 28 You can see the use of the base 6x24 in the second page of 4565 manual: (URL) I can't remember of any differences, besides color, in the base 6x24 from MOT and the base 6x24 from (...) (24 years ago, 21-May-01, to lugnet.trains)