![UP 6936 Union Pacific EMD DD40X at Round Grove, Illinois by Steve Smedley | Union pacific train, Train, Locomotive UP 6936 Union Pacific EMD DD40X at Round Grove, Illinois by Steve Smedley | Union pacific train, Train, Locomotive](https://i.pinimg.com/736x/fe/e6/a8/fee6a8a515dac0011210f6d95aacd0c1--union-pacific-railroad-diesel-locomotive.jpg)
UP 6936 Union Pacific EMD DD40X at Round Grove, Illinois by Steve Smedley | Union pacific train, Train, Locomotive
![RailPictures.Net Photo: UP 6936 Union Pacific EMD DD40X at Tehachapi Pass, California by southland… | Union pacific train, Union pacific railroad, Train photography RailPictures.Net Photo: UP 6936 Union Pacific EMD DD40X at Tehachapi Pass, California by southland… | Union pacific train, Union pacific railroad, Train photography](https://i.pinimg.com/1200x/74/2d/bb/742dbb5f85f41e4586ed7ad94ffdeeff.jpg)
RailPictures.Net Photo: UP 6936 Union Pacific EMD DD40X at Tehachapi Pass, California by southland… | Union pacific train, Union pacific railroad, Train photography
![UP DD40X 6946 at the Western Pacific Railroad Museum, Portola, CA in July 1985 B14 (32618865506 Stock Photo - Alamy UP DD40X 6946 at the Western Pacific Railroad Museum, Portola, CA in July 1985 B14 (32618865506 Stock Photo - Alamy](https://c8.alamy.com/comp/KJF8PG/up-dd40x-6946-at-the-western-pacific-railroad-museum-portola-ca-in-KJF8PG.jpg)