A miniaturized model railroad freight car representing a liquid or gas transport vessel, commonly built to a 1:160 ratio. These models replicate the prototypes used extensively in the rail transport industry for carrying various commodities. An example includes a model replicating a DOT-111 specification car hauling ethanol.
These scale models offer hobbyists and model railroaders the ability to create realistic and detailed layouts within a compact space. Their significance stems from their fidelity to the original designs, providing a tangible connection to the railway industry. Historically, these models have mirrored the evolution of prototype rolling stock, allowing enthusiasts to chronicle changes in rail transportation.