Marklin, HO Scale TRACK SCALE CLBRTN 3-CAR SET DB

Prototype: 2 calibration cars and 1 equipment car painted and lettered for the German Federal Railroad (DB). Cars used as a unit to test track scales.
Model: The calibration cars have a 3-axle frame, roof hatches that can be opened, and 8 each removable calibration weights. The cars come with different car numbers. The boxcar is painted and lettered as a maintenance car. Total length over the buffers 26.8 cm / 10-9/16".