ET23DCM locomotives explained ET23DCM locomotives explained: EMD’s SD40-2 turned 50 this year. While its days of front-line power on the mainline have long passed, the sheer quantity of locomotives built means a significant SD40-2 presence remains across the railroad industry. After a half century, the SD40-2 model has been rebuilt, upgraded, downgraded, and chopped up […]
ET23DCM locomotives explained
