Space and 1 According to Wikipedia, the climax is "A Climax locomotive is a type of geared steam locomotive in which the two steam cylinders are attached to a transmission located under the center of the boiler. This transmits power to driveshafts running to the front and rear trucks."
@Domix258 Includes 2 truck and 3 truck versions along with a animated 2 truck version when you push 1
