| Model number | DR-7UW |
| Max. Speed ※ | 1,400rpm 1,200rpm rotational speed in normal opration |
| Seam | Double thread chain stitch |
| Seam width | 7-12 mm |
| Bag Material | Flexible cargo bags |
| Thickness | 18 mm |
| - | - |
| Needle | UO-H34 #29 |
| Oiling | by hand ・ Oiler |
| Oil | Tellus#32 |
| weight | 34.0 kg |
| Feature | Upper ＆ Lower sending ・ Double needle |
| Related Machines | TR-7UW model |
