| Model | GN737F-DD | GN747F-DD | GN757F-DD |
| Thread number | 3 | 4 | 5 |
| Needle number | 1 | 2 | 2 |
| Needle type | DCX27 11-14# | ||
| Application | Light to medium heavy material | ||
| Max.speed | 6000sti/min | ||
| Max.stitch length | 5mm | ||
| Overedge width | 5mm | 6mm | 8mm |
| Differential ratio | 1:0.7 – 1:2 | ||
| Presser foot lift | 5.5mm | ||
| Power | 550W | ||
| G/N weight & volume | 30/26kgs,480*335*480mm=0.77cbm | ||
| Complete set | With stand & table 58kgs,0.16cbm | ||
