Ed Mackinson

For many years, six-axle Electro-Motive roadswitchers were the backbone of Santa Fe's mainline freight service. Volume 4 features them all, from the SD24s of 1959 to the "Warbonnet" SD75Ms of Santa Fe's final days!

128 Pages, All Color

Order Due Date: October 31, 2020

Anticipated Delivery Date: February 2021

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