United States Potash Railroad

The two 2-8-0 Baldwin locomotives from the Death Valley Railroad, along with another engine of similar design coming from the Morenci & Southern Railroad, pulled the trains until about 1948 when they were replaced by specially-built diesel-electric locomotives from General Electric.

Then they were bought out by Rio Tinto Minerals and moved their mining focus onto the borax at Boron.

Whilst the three diesels were scrapped, the three steam engines that worked the line all survived.

5, a Brill railcar was used to transport workmen from Loving to work at the mine and the mill and she is now preserved at the Laws Railroad Museum at Bishop.

A few trucks from the old DVRR ore cars and caboose are now at the Laws Railroad Museum.