Two of Rio Grande’s Krauss-Maffei diesel-hydraulics spent almost three weeks testing on the New York Central in early 1963. Here crews on New York Central Advance BF-3 change at Bellefontaine, Ohio, on February 24, 1963.
Photo by Si Herring
Intermountain interloper
By Faith Finfrock | September 26, 2025
Ultimately, the Rio Grande decided to end their experiment and sell their three K-M’s to the Southern Pacific. They all retired in 1967.
Dr. Güntürk Üstün