Flatcar

A flatcar (also flat car or flat wagon) is a piece of railroad or railway rolling stock that consists of an open, flat deck on four or six wheels or a pair of trucks or bogies. The deck of the car can be wood or steel, and the sides of the deck can include pockets for stakes or tie-down points to secure loads. Flatcars designed for carrying machinery have sliding chain assemblies recessed in the deck. Keruing or Apitong hardwoods are the most popular woods used in flatcar construction.