by TerryC
Does Union Pacific own B39-8s or B40-8s? The only B-B -8s inherited by the Union Pacific are B39-8s. So did Union Pacific upgrade their B39-8s to B40-8 specifications?
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http://www.railpictures.net/viewphoto.php?id=66021
Keep asking keep learning
http://trainiaxindex.cjb.net/