Watch Retired ‘Big Boy’ Steam Train Rescue a Stalled Freight Train in Nebraska
thedrive.com
thedrive.com
If you're into this kind of stuff, check out this video of Union Pacific's 3985 pulling a 143 car intermodal train all by herself back in 1990: https://youtu.be/XhgHrDbN4EU
Of course these heavy hauls are hard on the engine, even just the equivalent of replacing brake pads costs tens of thousands of dollars.