Tangent offers separate sale coal loads in two-packs for $6.95. In 1973, large grain crops in Iowa and Minnesota forced ICG to supplement its covered hopper fleet with quad hoppers. Initially ...

The Shildon "coal drops" opened in 1847 and included three wooden hoppers which used gravity to deliver coal directly to a locomotive. Historic England, which carried out the research, believes it ...

The hoppers were approached at one end via a ramp. Special coal wagons with bottom-opening doors were run up the ramp, the doors opened and the loads discharged by gravity in to the hoppers.