Bob, Excellent shot look forward to seeing more. Welcome to trainboard and as a trainboard member you are entitled to the use of our online rail images site which entitles you to a free album to stop and post photos. If you need any help on the site feel free to send me a private message. Look forward to seeing more of your participation here at Trainboard.
I hadn't even noticed this post was made by a new member - I had thought it was one of our familiar dedicated SP fans. Welcome aboard!
SD-40T-2 Good shot of the SD-40T-2 master and partners. That unit is one of the Master units used with radio controlled remote helpers. There is probably a Remote SD-40T-2 with some other units about 2/3 of the way back in the train.