| 型號Model | ZJ-A3800-BD | ZJ-A3820-BD | ZJ-A3830-P-BD | ZJ-A4810-BD |
| 機針Needle | TV×7 | TV×7 | TV×7 | TV×7 |
| 針跡長度Stitch length | 4mm | 4mm | 4mm | 4mm |
| 縫料厚度Thickness |
薄料、中厚料 Light materials、Medium materials |
薄料、中厚料 Light materials、Medium materials |
薄料、中厚料 Light materials、Medium materials |
薄料、中厚料 Light materials、Medium materials |
| 壓腳高度Alternation range | 5.5/ 10 | 5.5/ 10 | 5.5/ 10 | 5.5/ 10 |
| 轉速Sewing speed | 4500rpm | 4500rpm | 4500rpm | 4500rpm |
