JACK® H6L-CZ-4 Computerized Long Arm Heavy-Duty Single Needle Top & Bottom Feed Lockstitch Sewing Machine

JACK® JK H6L-CZ-4 - Long Arm Computerized Heavy-Duty Top & Bottom Feed Walking Foot Lockstitch Machine

14.4" Long Arm • Heavy Duty • Top & Bottom Feed • Computerized • 750W Direct Drive

The JACK®JK H6L-CZ-4 is a computerized heavy-duty single-needle lockstitch sewing machine featuring a 14.4-inch long-arm workspace and top-and-bottom feed system. Designed for demanding industrial sewing applications, the extended throat area provides additional working space for large, bulky, and heavy materials.

Powered by a powerful 750W Direct Drive AC servo motor, the H6L-CZ-4 combines heavy-duty feeding performance with advanced electronic automation. The machine operates without an external compressed-air supply, using electric systems for thread trimming and automatic presser foot lifting.

Digital stitch length adjustment, programmable segment sewing, automatic start and end bartacking, electronic thread nipping, needle positioning, and integrated controls make the H6L-CZ-4 an advanced solution for professional sewing environments requiring strength, precision, and productivity.

Key Features

• 14.4" Long Arm: Extended throat area provides additional workspace for large and bulky materials.
• Heavy-Duty Top & Bottom Feed: Provides reliable material feeding and improved control on thick and layered materials.
• 750W Direct Drive Servo Motor: Powerful integrated motor delivers responsive performance with reduced noise and vibration.
• Fully Electric Operation: Automatic functions operate without an external compressed-air supply.
• Electric Thread Trimmer: Automatically trims thread for faster production cycles.
• Electric Presser Foot Lifter: Automatic lifting helps reduce repetitive operator movement and fatigue.
• Digital Stitch Length: Stepper-motor-controlled stitch adjustment eliminates the traditional mechanical stitch length knob.
• Adjustable Sewing Speed: Allows the operator to set the appropriate speed for different materials and applications.
• Programmable Segment Sewing: Provides repeatable sewing sequences for production operations.
• Automatic Start & End Bartacking: Automatically reinforces the beginning and end of seams.
• Electronic Thread Nipper: Improves thread control during automatic sewing operations.
• Needle Position Sensor: Provides accurate needle stopping position.
• Half / Full Stitch Button: Provides additional control for precision sewing.
• Reverse Button: Conveniently positioned for reinforced stitching.
• Integrated Bobbin Winder: Allows convenient bobbin winding directly on the machine.
• Adjustable LED Work Light: Provides clear illumination around the needle and sewing area.

Ideal For

• Heavy-duty sewing applications.
• Large and bulky sewing projects.
• Upholstery.
• Canvas.
• Vinyl.
• Leather applications.
• Automotive interiors.
• Marine upholstery.
• Bags and luggage.
• Outdoor products.
• Heavy workwear.
• Layered and structured materials.
• Production applications requiring additional workspace.

Technical Specifications

What's Included

• JACK®JK H6L-CZ-4 Long Arm Machine Head.
• Integrated 750W Direct Drive Servo Motor.
• Heavy-Duty Industrial Sewing Table.
• Industrial Stand.
• Integrated Bobbin Winder.
• Adjustable LED Work Light.
• Standard Accessories.

The JACK® JK H6L-CZ-4 combines an extended 14.4-inch workspace, heavy-duty top-and-bottom feeding, powerful 750W Direct Drive technology, and fully electric computerized automation. It is an advanced solution for professional sewing operations that require additional working space, dependable feeding of heavy materials, and automatic functions without the need for an external compressed-air system.