Rio Grandeâs primary branch line and secondary power in the 1980s consisted of a worn-out group of GP9s, GP30s, and GP35s. All of these units had been well-maintained by the Grande, but by this time they were starting to show their age. What if DRGW decided to piggyback on MKTâs order of GP39-2s to upgrade their secondary power? Here is our take on what might have transpired.
Rio Grandeâs primary branch line and secondary power in the 1980s consisted of a worn-out group of GP9s, GP30s, and GP35s. All of these units had been well-maintained by the Grande, but by this time they were starting to show their age. What if DRGW decided to piggyback on MKTâs order of GP39-2s to upgrade their secondary power? Here is our take on what might have transpired.