I reguarly visit the Horseshoe Curve live cam . . .
https://www.youtube.com/watch?v=WUsqRzCUa-4& (time 7:37:44 shows the engines)
. . . and today I decided to try to replicate a consist I saw going up the slope..
Engine NS 10?? (can anyone read the number?)
Engine NS 4312

16 x double stack
5 x single
15 x double
1 x single
1 x double
1 x single
1 x double
3 x single
5 x double
5 x single
13 x double
1 x single
3 x double
5 x single
1 x double
4 x single
According to the interweb Engine 4312 is a GE AC44C6M.
Is this engine available in TSC ? I could not locate it in my consist editor.