Modernized baggage car with generator used to run the electric lights in the train. Know what you're getting - unpainted, unlettered, unassembled resin kit with sparse instructions. Picture is of a completed airbrushed and lettered using San Juan decals DRGW set SJD-700. You will need to tap the floor M2 for truck screws (included) and the ends 00-90 for Kadee or MT couplers (not included). Trucks accept Kadee 718 HOn3 wheelsets (not included).
Video of assembly of a similar kit:

https://youtu.be/bPvK3oPIAho