Set of three H0 scale models of 4-axle tank wagons, type Zacns, from NACCO. Finely detailed models with many separately applied plug-in parts. Features a small marking panel.

This four-axle tank wagon has a capacity of 95 m³ and is used to transport light petroleum products, including kerosene, petrol, diesel, and heating oil, as well as liquid chemicals. A typical feature of this wagon type is the lowered walkway at the loading hatch.