And then there were two!

ScaleTrains.com HO scale Museum Quality GTEL Turbines #2 and #30 from the 3rd run.

https://www.scaletrains.com/product/museum-quality-ho-scale-union-pacific-gtel-8500-horsepower-big-blow-turbine-30-r3/

https://www.scaletrains.com/product/museum-quality-ho-scale-union-pacific-gtel-8500-horsepower-big-blow-turbine-2-r3/