The Train That Trapped Its Own Mechanics — Why GM's EMD BL2 Failed

In the late 1940s, General Motors' Electro-Motive Division faced a major crisis in the branch line market. Their solution was the EMD BL2, an awkwardly compromised locomotive blending streamlined aesthetics with industrial functionality. While it featured the legendary 567 prime mover and Blomberg trucks, its bizarre structural truss created an operational and maintenance disaster for railroad crews. This video details the engineering flaws of the BL2 and how it led to the iconic GP7.