Top Feed System
An adjustable mechanism makes it easy to set the differential feed ratio between the upper and lower feed dogs, ensuring smooth handling of various fabrics.
Voice Guidance
Learn how to use new features with the built-in voice guide. In case of errors, press the VOICE button for instant troubleshooting assistance and step-by-step solutions.• Manual: Full control via pedal.
• Semi-automatic: Pedal for sewing, automatic thread trimming and presser foot lift via photo sensors.
• Automatic: Fully controlled by photocells (no pedal required).
Jack C5T-4-M03/333 is a high-speed computerized 4-thread overlock with a direct-drive servomotor, walking foot (top feed), and intelligent control. Equipped with a built-in differential feed that ensures superior performance when sewing dense materials. Combining durability, precision, and ease of use, this overlock offers powerful feeding performance, advanced anti-layer-shifting technology, and smart automated functions for efficient seaming of long pieces.
Technical Specifications
| Model | Jack C5T-4-M03/333 |
| Application | 4-Thread Overlock (Light / Medium Fabrics) |
| Needle Type | DCx27 #11 |
| Number of Needles | 2 |
| Number of Threads | 4 |
| Needle Gauge (mm) | 2 |
| Overedge Width (mm) | 4 |
| Stitch Length (mm) | 4.6 |
| Differential Ratio | 0.7-2 |
| Presser Foot Lifting Height (mm) | 5.5 |
| Max Speed (r.p.m) | 6000 |
| Dimensions (mm) | 505 x 360 x 565 |
| Weight (kg) | 29.2 / 39.8 |










