These ready-to-run cars feature die cast slope sheet-hopper bay-center sill assembly; injection molded plastic sides, ends, and hopper doors; fully molded brake tank, valve and air lines; slope sheet braces; separately molded vertical brake rod and lever assembly (a first on an N scale open hopper!); body-mounted brake hose detail; coal load; body mounted magnetically operating couplers; close coupling; friction bearing or roller bearing trucks as appropriate for each road name.