The 50' ACF 5250 Centerflow covered hopper hauled plastic pellets, grain and feed from the 1960s into the 2000s. Based on the American Car & Foundry 5,250 cubic foot capacity design, decorated models feature trough or round hatches and gravity or pneumatic gates as appropriate. These models feature:
  
 See-through running boards
 Thin-profile roofwalk, stirrups, end ladders and platforms
 Correct 36" turned-metal wheelsets
 Proto MAX(TM) metal knuckle couplers
