Beltpack units handle 90% of industrial switching in Edmonton, Alberta. That said, they rarely operate as single units. They can be paired with slugs, GP9rm's, GMD1's, GP38-2's, and the odd time a GP38-2w.
Shane
PS-I am still working on a slug. With my schedule it may be released by 2020.

Shane
PS-I am still working on a slug. With my schedule it may be released by 2020.
