Big Boy Steam Locomotive – 3D Model SolidWorks

Big Boy steam locomotive 3D model SW design sldasm, sldprt source files provided file is very large more than 100M, Big Boy steam locomotive has two sets of driving wheels arranged in front and back, each set has eight driving wheels around, plus two sets of unpowered guide wheels or follower wheels. The two sets of driving wheels have independent pistons and crank connecting rods, connected by articulated bogies and share a firebox. This type of locomotive is the largest, most powerful and most driving wheel steam locomotive in history.