updates /
How many RS-27's, high hood GP30's & others left? - Trains Magazine
There were 4 RS-27 Demonstrators.
Three of them were sold to the Union Pacific.
One was sold to the Pennsylvannia Railroad and it was upgraded by ALCo.
All of the RS-27 Demonstrators were most likely scrapped.
The Soo Line RS-27s have been listed as scrapped in 1984.
TRAINS did run an article on the GP30 when the GP30 was 30 years old.
Andrew