Prototype: Four-axle heavy oil tank car with a brakeman's platform. Privately owned car of Aral, Inc., Bochum, Germany, used on the German Federal Railroad (DB).

Model: The ladder at the end of the car and the detailed sheet metal plates are modelled. The car has NEM coupler pockets and a close coupler mechanism. Length over the buffers 13.1 cm / 5-1/8".

AC wheelset E700150.

The 24821 heavy oil tank car is being produced in 2021 in a one-time series only for members of the Trix Club.