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JACK® JK H6L-CZ-4 Long Arm Computerized Heavy-Duty Walking Foot Industrial Sewing Machine – Complete with Table & Stand
FULLY ASSEMBLED | TABLE, MOTOR & STAND INCLUDED
JMJ Sewing Machines recommends the JACK® JK H6L-CZ-4 for sewing workshops handling large, layered, and heavy-duty textile projects. Its 14.4-inch long-arm workspace provides additional clearance for maneuvering bulky material, while the top-and-bottom feed system helps maintain control during sewing.
The machine combines a 750W Direct Drive AC servo motor with computerized functions including electric thread trimming, automatic presser-foot lifting, digital stitch-length adjustment, and programmable sewing. JMJ supplies this model with its industrial table, motor and stand, professionally assembled and prepared for use.
Key Features
- 14.4-inch Long Arm: Extended working area for bulky upholstery, bags, and larger sewing projects.
- Top & Bottom Feed: Helps move layered materials with improved control.
- 750W Direct Drive Motor: Integrated AC servo motor with adjustable speed control.
- Electric Thread Trimming: Cuts thread automatically between sewing operations.
- Automatic Presser Foot Lift: Electric lifting reduces repetitive manual handling.
- Digital Stitch Length: Stepper-motor-controlled adjustment for repeatable stitch settings.
- Programmable Segment Sewing: Supports production sequences and repeated operations.
- Automatic Bartacking: Reinforces seam beginnings and endings.
- Electronic Thread Nipper: Supports thread control during automated operation.
- Needle Positioning: Provides controlled needle stopping.
- Integrated Bobbin Winder: Convenient bobbin preparation.
- LED Work Light: Adjustable illumination near the needle.
Ideal For
- Upholstery and furniture production
- Automotive and marine interiors
- Canvas, vinyl and suitable leather applications
- Bags, luggage and structured textile products
- Heavy workwear and layered materials
- Large sewing projects requiring additional arm clearance
Technical Specifications
| Brand | JACK® |
| Model | JK H6L-CZ-4 |
| Machine Type | Computerized Heavy-Duty Single-Needle Lockstitch |
| Feed Type | Top & Bottom Feed |
| Long Arm Workspace | 14.4 in |
| Maximum Sewing Speed | 2,200 SPM |
| Maximum Stitch Length | 9 mm |
| Presser Foot Lift | 8 mm by Hand / 16 mm Stepper Motor |
| Needle System | DP×17, Sizes #20–#23 |
| Motor | 750W Direct Drive AC Servo Motor |
| Stitch Length Control | Digital / Stepper Motor Controlled |
| Thread Trimmer | Automatic Electric |
| Presser Foot Lifter | Automatic Electric |
| Bartacking | Automatic Start & End |
| Thread Nipper | Electronic |
| Needle Positioning | Electronic Sensor |
| Programmable Sewing | Segment Sewing |
| Lubrication | Minute-Quantity Lubrication |
| Bobbin Winder | Integrated |
| Lighting | Integrated Adjustable LED |
| External Air Required | No |
| Table, Motor & Stand | Included |
What's Included
- JACK® JK H6L-CZ-4 Machine Head
- Integrated 750W Direct Drive Servo Motor
- Heavy-Duty Industrial Sewing Table
- Industrial Stand
- Integrated Bobbin Winder
- Adjustable LED Work Light
- Standard Machine Accessories
JMJ SEWING MACHINES RECOMMENDS
For leather, upholstery, canvas and other heavy materials, confirm the material thickness, thread, needle and required stitch setup before purchase. Our team can help determine whether this machine configuration suits your production needs.
The JACK® JK H6L-CZ-4 offers extended working space and electronically controlled heavy-duty sewing for professional workshops. JMJ Sewing Machines includes the table, motor and stand and prepares the complete setup.