| Features & Benefits | Models | 
| ∙ Rotating take-up-lever for constant and optimized needle thread tension | GT655-01 | 
| ∙ Needle thread tension regulated by revolving tension for a constant stitch quality even at different speeds and different zig zag widths | Double lockstitch zig zag fast seamer, max. stitch length 2.5 mm | 
| ∙ Foward stitch length & back stitch length separately adjustable | GT655-02 | 
| ∙ Presser foot connection rod available for the use of different types of sewing feet | Double lockstitch zig zag fast seamer, max. stitch length 5.0 mm | 
| ∙ Fully automatic lubrication system allows sewing speed up to 5,000 spm | GT655D-01 | 
| Technical Data | Double lockstitch zig zag fast seamer, max. stitch length 2.5 mm | 
| ∙ Stitch type 301 | with automatic thread trimmer, thread wiper, back tack & | 
| ∙ Max. sewing speed 5,000 spm. | automatic presser foot lift (optional) | 
| ∙ Max. stitch length 5 mm (-02) | GT655D-02 | 
| Carton dimensions and gross weights for sewing head | Double lockstitch zig zag fast seamer, max. stitch length 5.0 mm | 
| 67×35×69 cm, 61 kg | with automatic thread trimmer, thread wiper, back tack & | 
|  | automatic presser foot lifter (optional) | 
|  | GT656 | 
|  | 4 step double lockstitch zig zag fast seamer, max. stitch length 2.5 mm | 
|  | GT656D | 
|  | 4 step double lockstitch zig zag fast seamer, max. stitch length 2.5 mm | 
|  | with automatic thread trimmer, thread wiper, back tack & | 
|  | automatic presser foot lift (optional) |