Athearn 15523 HO Scale 45' Trailer Southern Pacific SPLZ 250177 TRX-4 Internal Ratio = 1

Internal Ratio = 1

Burnt Grass Coarse Turf - 7

Dimensions 10" - can replace 1 FasTrack 10" straight

Two mounts per package

Athearn 15523 HO Scale 45' Trailer Southern Pacific SPLZ 250177 TRX-4 Internal Ratio = 1Athearn 15523 HO Scale 45' Trailer Southern Pacific SPLZ 250177 Trailer On Flat Car (TOFC) has been in service since the 1940s when it was originally developed to load truck trailers onto flat cars to streamline service and minimize transferring cargo from boxcars to trailers. In the early 1980s, after the railroads were deregulated, TOFC service exploded in North America. The railroad's ability to adjust haul rates to be competitive with trucking