JACK A4 COMPUTERIZED LOCKSTITCH MACHINE

JACK A4 Direct Drive Single Needle Lockstitch Sewing Machine

The JACK A4 is a cutting-edge single needle lockstitch industrial sewing machine designed for maximum speed, precision, and efficiency. Equipped with an advanced direct drive motor and intelligent control system, the A4 delivers ultra-smooth operation, low vibration, and exceptional stitch consistency—even at high speeds.

Engineered for modern garment production, the JACK A4 features automatic functions such as thread trimming, presser foot lift, and back-tacking, significantly reducing cycle time and operator fatigue. Its smart digital panel allows easy adjustments and real-time monitoring, while built-in energy-saving technology lowers power consumption.

Ideal for light to medium-weight fabrics, the JACK A4 is widely used in apparel factories, tailoring shops, and high-output production lines where speed, accuracy, and reliability are essential.

Features:

• Single-needle lockstitch industrial sewing machine

• Direct drive motor for smooth, quiet, low-vibration operation

• Automatic thread trimming for faster workflow

• Automatic presser foot lift & back-tacking

• High-speed performance for increased productivity

• Smart digital control panel for easy operation

• Energy-saving design with low power consumption

• Excellent stitch consistency on light to medium-weight fabrics

• Ideal for garment factories and professional tailoring shops