Photo By: Kevin Morgan

A few miles east of Hanna, WY and the UP 844 is shooting out a bit of black smoke. The diesel on the train is UP 7813. It is an ES44AC delivered to UP a little over a year earlier. It's dynamic brakes are used when proceeding down a grade so the train doesn't have to rely entirely on air brakes. It also serves as a back up (for power) in the event the UP 844 become unable to continue on. Email Questions or Comments to the Webmaster. User Comments (2) Posted By Webmaster On Tuesday, April 14, 2009 At 12:55:55 AM (PT) That's a fantastic point Tim. Makes a lot of sense. I'm sure you are correct. In fact, thinking back to Saturday, I'm pretty sure I heard UP 7813 in dynamics a couple of times! Posted By Tim Petrishen On Monday, April 13, 2009 At 7:51:54 PM (PT) I think if you check with the Steam team in Cheyenne that they will tell you that the diesel is there more for its dynamic brakes than as back-up power. [ Add Comment ]

2321 views 2 comments Saturday, April 11, 2009 at 11:51:18 AM image date Location Information City or County and State Hanna, WY Subdivision Laramie (UP) Milepost or Control Point MP 636 Train Information Railroad Union Pacific Model 4-8-4 Unit Number UP 844 Symbol SCYRS-11 Paint Scheme   Photo Information Camera Make/Model Canon / Canon EOS 40D ISO 200 Flash Did Not Fire Focal Length 135 mm Shutter 1/250 seconds Aperture f/13

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