Description
| Model Subclass | N31A-5030 | N31A-5050 | N31A-6030 |
| Fabric weight | Medium / Heavy | Heavy | Medium / Heavy |
| Max. speed | 6,500sti/min | 5,500sti/min | 6,000sti/min |
| No. of needles | 2 | 2 | 3 |
| No. of threads | 5 | 5 | 6 |
| Needle space | 5mm | 5mm | 5mm |
| Overedge width | 5mm | 6mm | 2+4mm |
| Stitch length | 0.7-4.0mm | 1.0-4.6mm | 0.7-4.0mm |
| Diff. feed ratio | 0.7-1.7mm | 0.8-1.5mm | 0.7-1.7mm |
| Presser foot lift | 5.5mm | 7.0mm | 5.5mm |
| Needles | DCx27 #14 | DCx27 #19 | DCx27 #11 |
