| Owner: | General American Marks Company |
| Old Name: | Iowa Public Service Co. |
| Type: | Open Hopper |
| AAR Class: | HT: Open top self-clearing car, having fixed sides and ends and bottom consisting of three or more divided hoppers with doors hinged crosswise of car and dumping between rails. |
| AAR Type: | H350 |
| Detail Info: | Unequipped Hopper, Load Limit: 185,000 and greater, Non-rotary couplers |
| Plate: | C |
| Max Gross Weight: | 286000 |
| Load Limit: | 228500 |
| Dry Capacity: | 2580 |
| Ext L/W/H: | 42' 10" / 11' 0" / 12' 7" |