Be aware: Light-weight sleeper Ahead was built in the summer of 1936 as the main Pullman sleeping automobile using the "alloy-steel truss frame" strategy. This automobile was an addition to the very first (heavyweight) Super Chief consist in November 1936 (after early Diesel units 1-A, 1-B and leased one-C https://connerlycfd.idblogmaker.com/25914867/the-super-chief-strain-diaries