railroads use these self-propelled giants

Model Number: 66701

This is a MTH 35-20019-1 S Scale Santa Fe F-3 A Unit Diesel With Proto-Sound 3

this stainle

or as a complete train by themselves

Athearn G63069 HO Union Pacific/ARMIN/Chilled 57' Mechanical Reefer #922036 ProductID_11983015 railroads use these self-propelled giantsThis is an Athearn G63069 HO Scale Union Pacific ARMIN Chilled 57' Mechanical Reefer #922036. Model Features: , Scaled from prototype manufacturers drawings and field measurements, Repaints often vary by road number in the size and style of the reporting marks, car numbers and patch shapes, Four different road numbers each except WFE, See through protective screens on the genset end, Detroit Diesel 2 71 Genset visible inside, End wall corrugation