One of the coolest engines you will see working the UP North Yard in Denver is UPY 691, a well worn GP15-1.

UPY 577 (GP15-1) works the UP's North Yard in Denver, Colorado.

With track maintenance vehicles all over the place, and a three mile train in the vicinity. The railroad in the Salt Lake area is a complete mess. The Chevron local is pulling up under the bridge ... (more)

Before some strong thunderstorms roll in, Burlington Junction’s brand new GP15-1 picks up a cut of cars on the Industrial trackage.

Waiting for Hill 5 to finish loading.

Engineer Reid Dawe brings an empty coal bucket into Sumner, MS.

A BNSF local freight, led by Burlington Northern EMD GP15-1 No. 1390. is about to roll through a curve after crossing the bridge over the Shoshone River at Lovell, Wyoming, on September 2, 1998. B... (more)

Union Pacific’s Randy Salisbury performs repairs on UPY EMD GP15-1 No. 697 inside railroad’s Kansas City Locomotive Facility at Kansas City, Missouri, on October 21, 2013.

Former Missouri Pacific GP15-1 1684.

A veteran UPY 691 (GP15-1) waits for a mate to pair up and then will sort cars in the Union Pacific's North Yard in Denver, Colorado.

A morning TPW East bound thunders through the town of La Hogue with it’s 100+ car train with one of the two GP15s on the roster in charge. These GP15s tend to live over on the Indiana side in Ko... (more)

Inside Union Pacific’s Kansas City Locomotive Facility, mechanical department employee Don Sullivan does some paperwork as EMD GP15-1 UPY 697 awaits further attention in the background on Octobe... (more)

At Union Pacific’s Kansas City Locomotive Facility, two mechanical department employees install new draft gear on UPY EMD GP15-1 No. 697 on October 21, 2013.

A couple GP15's UPY 613 and 637 of Missouri Pacific heritage have there self's a big train today. Going on 42 years old, these locomotives do their jobs, day in and day out. They are working the n... (more)

UPY 613 and 637 have just finished their work at the Chevron and Flying J refineries. They are now getting a move on back to the barn, Roper Yard.