Not all locomotives received the final blue livery.
Externally, the locomotives all received high-intensity headlights, which changed the appearance of the front end.
By this time all the locomotives had received Westinghouse brake equipment also.
The locomotives received the standard liveries of their respective sectors.
Over time, all locomotives in the DX class received minor modifications.
The last locomotive, no 129, also received a preheater.
In 1909 and 1910, the original locomotives also received this larger firebox.
Since its initial preservation the locomotive had received little work apart from cosmetic attention.
During the upgrade the locomotives received new service numbers (Ee 934).
When the railroad donated the engine to the city it did so with the stipulation that the locomotive would receive proper care.
