| Owner: | Northwestern Oklahoma | 
| Type: | Bulkhead Flat | 
| AAR Class: | FB: Bulkhead flat cars. Equipped with fixed or permanently attached movable bulkheads or ends a minimum of three feet in height and flat floor for general commodity loading. | 
| AAR Type: | F343 | 
| Detail Info: | Flat Car, Load Limit: 185,000-199,999lb, Inside length: 60-75ft | 
| Plate: | C | 
| Max Gross Weight: | 268000 | 
| Load Limit: | 192000 | 
| Ext L/W/H: | 70' 6" / 10' 7" / 14' 9" | 
| Int L/W/H: | 61' 1" / 9' 4" / 0' 0" | 
| User Notes: | ex-MDW 1138 |