Assigned to pusher service out of Rio Grande’s North Yards, Krauss-Maffei 4003 snubs up to one of the railroad’s colorful cabooses on October 6, 1963. The gentleman in the driver’s seat may ... (more)

Some sort of test is underway September 18, 1963, as two-thirds of Rio Grande’s Krauss-Maffei diesel hydraulic roster, the 4001 and 4003, coupled to a dynamometer car and an unidentified geep, p... (more)

Just five months off the boat at Houston, German immigrant 4002 is being readied at Rio Grande’s North Yard for a helper turn to the Moffat Tunnel. Local fans are excited. Could this 3540-hp die... (more)