(under subclass 4.1) Articulated train including a truck supporting the end of a car, which car supports the mating end of a second car.
SEE OR SEARCH THIS CLASS, SUBCLASS:
165+, for a truck including a plurality of axles with provision to allow each to turn about an axis that intersects the axis of track curvature; especially subclass 169 for such a truck including a stub axle.
176, for a truck adapted to be interconnected with another truck.
180, for a truck including a stub axle, generally.