Aside from some fading from the scorching Texas sun. ATSF M-160 doesn't look to bad for being 84 years old. M-160 began it's career in 1931 before being retired in 1966. Donated to the Museum of the American Railroad in 1969. Aside from an occasional excursion in the 1990s, M-160 has had a relatively quiet retirement sitting on display with the other pieces of equipment the museum has acquired.