Those look like relatively new engines. Less than 20 years old.
The newer engines have a lot more horsepower than the older ones. If they were replacing every retiring engine with a new one, it’s not a surprise that they’d have a surplus.
They can always be dispatched to localities to provide electric power in blackouts.
Does anybody know if the electronics on these things are tempest hardened?
Why would they need to be tempest? Do you know what tempest is?
Beat me by six minutes. LOL
They either get sold to other railroads/leasing companies , put in storage until needed, or sold to the scrapper
3.2 - 4.6 MW each. Made by GE which is currently owned by China.