Athearn 26763 HO Scale 53' Utility Reefer Trailer TWT Refrigerated 70223 HH Tug was developed in accordance with

was developed in accordance with Group B regulations from 1984

Among the most notable improvements were that the M-1a got Pennsy's first large capacity tender and had two air compressors instead of one

Features blackened metal wheels

Single or dual headlight per prototype

Athearn 26763 HO Scale 53' Utility Reefer Trailer TWT Refrigerated 70223 HH Tug was developed in accordance withAthearn 26763 HO Scale 53' Utility Reefer Trailer TWT Refrigerated 70223 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 railroads ability to adjust haul rates to be competitive with