With a footprint of 10 x 20 feet they will fit almost anywhere

cat and a ladder

Baltimore & Ohio

The Trainz SKU for this item is P11646156

MRC 1026 HO Freedom One On-Board Sound & FM Wireless Receiver Frequency A ProductID_11518046 With a footprint of 10This is an MRC 1026 HO Scale Freedom One Wireless On Board Sound & FM Wireless Receiver & Controller Diesel, Frequency A. Can be installed into any diesel locomotive and provide, sound, lighting and throttle control without having to use DCC. Includes transmitter that features throttle, direction and permits operation of all of the sound and lighting features in the module. Alco 244 & 539T, EMD 567, 645, 645E and 710 prime mover sounds. Condition: