| Model number | DR-3A |
| Maximum speed ※ | 2,000rpm Operating speed: 1,850rpm |
| Joint type | Double ring needle |
| Seam width | 6.5-15 mm |
| Suture material | P.P., container bag |
| Seam thickness | 15 mm |
| cutter | - |
| The needle | UO-H33 #27 |
| Refueling method | Hand feed, Ola |
| Oil used | Tellus # 32 |
| weight | 34.0 kg |
| trait | Thick bag sewing machine |
| Related equipment | TR-3A |
