I managed to sync two other videos taken of the UP 4014 Big Boy crossing the Pecos River High Bridge.
Details of the other photographers in the YouTube description.

Cool footage.

It's so nice to provide different shots of the train moving. Thanks a lot

Super train chasing.  

Very nice location, great footage

Hello and good day pmshop. Thank you for sharing this beautiful video you have filmed. Great work and thank you for your support. .

DJI Stephen Posted at 12-17 08:36
Hello and good day pmshop. Thank you for sharing this beautiful video you have filmed. Great work and thank you for your support.  .

Could not have done it without the other two gentlemen and their shots.

Thanks!

pmshop Posted at 12-17 10:55
Could not have done it without the other two gentlemen and their shots.

Thanks!

You are very much welcome pmshop and thank for sharing these information on how you have created this beautiful video. Have a safe and a happy flying always. .

Awesome footage