Prototype: 3 type Fas and Fakks four-axle open dump cars, with ribbed side walls and transition platforms. Gold yellow basic paint scheme. Privately owned cars for the firm Wiebe Track Laying Machines, Inc., Achim, registered in Germany. The cars look as they did around 2013.

Model: The cars have type Y 25 trucks. The hoppers can be tipped to both sides. This is the version with ribbed side walls. The cars have movable compressed air cylinders and pneumatic slides. All of the cars have different car numbers and are individually packaged. There is also a master package.

Total length over the buffers 42 cm / 16-1/2".

The class V 320 diesel locomotive for the firm Wiebe can be found to go with this car set under item number 39321 and additional cars under item number 48460 in the Märklin H0 assortment as well as under item number 24142 in the Trix assortment.