Prototype: 6 Ceskoslovenské Státní Dráhy (CSD / Czechoslovakian State Railways) four-axle type Uacs silo cars. 3 silo cars in the version with straight side sills (reddish brown car body) and 3 silo cars in the version with "skirting" (moss green car body). All 6 cars include melon yellow containers. The cars look as they did around 1974.
Model: The cars are new tooling. They have close coupler mechanisms and type Y 25 trucks.
Total length over the buffers 546 mm / 21-1/2".