| Here is page 39 of a 40-page booklet published by Harry P. Albrecht entitled "A Picture Study Of The K-4." First issued in October 1967, revised in September 1976. Here is a complete road-number roster of Pennsylvania Railroad K-4S (4-6-2) "Pacific" locomotives, as of January 1939. "In main line service, these locomotives make an average of 6,900 miles per month and a maximum of approximately 13,000." |