Be aware: Lightweight sleeper Ahead was created in the summer of 1936 as the 1st Pullman sleeping car or truck using the "alloy-metal truss frame" process. This car was an addition to the first (heavyweight) Super Chief consist in November 1936 (following early Diesel models one-A, one-B and leased https://superchiefstrain64267.ageeksblog.com/25794951/the-greatest-guide-to-super-chief-strain