| Reportedly, BUGX 1852 was built in May 1955 by EMD as a model SD9 as SP 5438, SP Class DF-122, in the 1965 renumbering it became SP 3916, SP Class EF618-3. It was rebuilt by SP as SD9E #4397, SP Class EF618E-1, in January 1975; retired by SP in November 1993; sold to W&P as 1852 in March 1994; to PNWR 1852 in 1996; to BUGX 1852 in January 2024. |