| GB | Open top, Solid bottom, having fixed sides fixed or drop ends, suitable for mill trade. |
|---|---|
| GT | Open top, Solid bottom, having fixed sides fixed ends, suitable for unloading coal on dumping machines but not suitable for mill trade |
| GA | Open top, having fixed sides and ends and drop bottom consisting of doors hinged crosswise of car to dump between rails. |
| GE | Open top, having fixed sides, drop ends and drop bottom consisting of doors hinged crosswise of car to dump between rails. |
| GS | Open top, having fixed sides and ends and drop bottom consisting of doors hinged at center sills to dump outside rails. |
| GH | Open top, having fixed sides, drop ends and drop bottom consisting of doors hinged at center sills to dump outside rails. |
| GRA | Open top, having fixed sides and ends and level bottom with one or more hoppers dumping outside rails. |
| GD | Open top, having fixed ends, solid bottom and sides equipped with doors for dumping. |
| GW | Open top, well car for transportation of special commodities. Solid bottom having one or more depressions in floor, permitting lading to be lowered in order to obtain overhead clearance. |
| GP | Open top, equipped with racks for handling pulpwood |