| Owner: | Union Pacific Railroad Company |
| Type: | Coil Steel Car |
| AAR Class: | GBSR: Specialty Open top car, having fixed sides, fixed or drop ends and solid bottom. Equipped with roof |
| AAR Type: | E644 |
| Detail Info: | Equipped Gondola, Inside Length: 52-61ft, Equipped with cushion draft gear/underframe, Capacity: Less than 3,000 cu ft *Light Density Service |
| Plate: | B |
| UP Class: | G-100-21 |
| Max Gross Weight: | 263000 |
| Load Limit: | 182500 |
| Dry Capacity: | 2382 |
| Ext L/W/H: | 61' 3" / 10' 8" / 12' 0" |
| Int L/W/H: | 52' 3" / 9' 6" / 4' 9" |
| User Notes: | Load Limit: 182500; 2494 cu. ft.; Blt. 3-82 |
