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The JACK Jack Sewing Machine C4 is a professional-grade 4-thread industrial overlock sewing machine (serger) engineered to cut, stitch, and finish fabric edges in a single operation.
Designed specifically for knit and stretch materials and equipped with an automatic thread trimmer, an automatic presser foot lift, and a photoelectric sensor to detect fabric, it delivers clean, durable seams at high speed, making it ideal for garment manufacturing and textile assembly environments.
With its direct-drive servo motor and automated functions, this machine ensures efficiency, reduced vibration, and consistent performance during continuous production.
This unit is sold as a complete package (machine + standard accessories), making it ready for immediate installation on the shop floor.
What’s Included
- JACK C4-4-M03/333 Overlock Machine with Automatic Thread Trimmer
- Direct drive servo motor (built-in)
- Industrial table
- Presser foot & accessories kit
- Pedal and control system
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Instruction manual
Key Highlights
- 4-thread overlock system for strong, flexible seams
- High-speed performance up to 5,000–7,000 stitches per minute (SPM)
- Built-in trimming system for clean edge finishing
- Optimized for knit, elastic, and stretch fabrics
- Quiet operation with direct drive servo motor
- Integrated LED lighting for improved visibility
- Automatic presser foot lifting
- Photoelectric sensor to detect fabric
Recommended Applications
- Activewear and sportswear production
- T-shirts, leggings, and knit garments
- Underwear and stretch apparel
- Textile manufacturing factories
- Alteration shops working with elastic fabrics
Product specifications
Why Choose JACK?
JACK sewing machines are trusted worldwide in professional garment production for their precision engineering, reliability, and high-speed performance. Designed for commercial environments, JACK machines help manufacturers achieve consistent stitching, efficient workflows, and long-term operational stability.
When you purchase through AMLE, you also benefit from:
- 1-Year Limited Warranty*
Coverage subject to applicable terms and conditions. - Technical Support Assistance
Guidance for setup, operation, and troubleshooting. - Commercial-Grade Construction
Built for continuous use in professional production settings.
*Warranty coverage is valid for one (1) year and is subject to terms, conditions, and proper machine use. Please contact AMLE for full warranty details.
