Prototype: 2 Austrian Federal Railways (ÖBB) type DDm 915 automobile transport cars in the pure orange paint scheme in cross border service. The cars look as they did in Era IV. Model: The cars have fine. prototypical paint schemes and lettering. They also have close coupler hooks at both ends. Length over the buffers approximately 120 mm / 4-3/4. Minimum radius for operation 195 mm / 7-11/16.