A Brief History of Coal Hoppers
by David Thompson
To understand the history of the modern coal hopper, we have to start out at the dawn of the steel-car era. In the 1890s, the typical coal car was either a hopper-bottom gondola (flat floors over the trucks) or full-blown hopper cars with sloping floors and horizontal drop doors under the center sill. Sawtooth-style hoppers came into somewhat common use in that decade, with the 35-ton Pennsy GG of 1895 combining the sawtooth hoppers and a sloped floor. About this time, Carnegie Steel was taking some tentative steps toward building steel ore cars for the newly-extended PB≤ and, as things turned out, the Schoen Pressed Steel Car Company ended up as the pioneer of the … Read more