Jack Heavy Duty Sewing Machinery

Jack Z7-181000 - Adaptive Hump-Jumping Heavy Duty Sewing Machine. The JACK Z7 is a heavy-duty, triple-transport industrial lockstitch machine designed for sewing thick and challenging materials like leather, automotive upholstery, and multi-layer fabrics. Equipped with an intelligent thickness-sensing system, a powerful 850 W motor, and automatic features such as thread trimming, back-tacking, and programmable controls, it delivers stable, consistent stitching even across sudden thickness changes. With its large hook, pneumatic foot lifter, and user-friendly touch-screen interface, the Z7 combines strength, precision, and ease of operation—making it ideal for demanding professional applications.
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Jack Z7-291000 - Twin Needle, Fully Automatic, Adaptive Hump-Jumping Heavy Duty Unison Feed Machine Head. The JACK Z7-291000 is a heavy-duty, twin-needle, triple-transport industrial lockstitch machine head designed for sewing thick and challenging materials like leather, automotive upholstery, and multi-layer fabrics. Equipped with an intelligent thickness-sensing system, a powerful 850 W motor, and automatic features such as thread trimming, back-tacking, and programmable controls, it delivers stable, consistent stitching even across sudden thickness changes. With its large hook, pneumatic foot lifter, 12mm maximum stitch length and user-friendly touch-screen interface, the Z7 twin needle combines strength, precision, and ease of operation—making it ideal for decorative double-row seams in demanding professional applications.
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Jack H2-CZ - Basic Direct Drive Top Feed Lockstitch Machine. Designed for sewing thicker materials such as leather and upholstery fabrics, this 1-needle lockstitch machine is equipped with a built-in energy-saving Direct Drive motor. This integration ensures quiet operation and reduced power consumption. The machine features needle positioning, allowing precise control during sewing. Its double transport system—comprising lower feed dogs and an upper rolling foot—ensures smooth and consistent movement of both fabric layers, even on challenging materials. An intuitive control panel is integrated into the machine head for easy operation, and an LED light at the needle bar provides clear, focused illumination.
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Jack H2-A-LC-12 - Extra-Large Space, Direct Drive Top and Bottom Feed Lockstitch Machine with 12mm Stitch Length. Designed for sewing thicker materials such as leather, canvas, denim and upholstery fabrics, this 1-needle lockstitch machine has a 100mm extended head for an extra-large working space, and is equipped with a built-in energy-saving direct drive motor. This integration ensures quiet operation and reduced power consumption. Top and bottom feeding moves both fabric layers smoothly and consistently, even on challenging materials. Suitable for seat cushions, bags, swivel chairs, floor mats, home textiles and hats, with a long stitch length of up to 12mm for curtains, carpets and slippers. A simple control panel is integrated into the machine head for easy operation, and an intelligent LED light provides clear, focused illumination.
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Jack H7-C - Multi-Fabric Heavy Duty Walking Foot Sewing Machine. Designed for heavy materials such as bags, cushions, leather gloves, and armchairs, this machine delivers strength and precision. Equipped with an integrated 750W motor, it can effortlessly pierce through more than 10 layers of leather.
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Jack H7-LC - Long Arm Multi-Fabric Heavy Duty Walking Foot Sewing Machine. The long-arm version of the Jack H7-C, with a 365mm arm and 100mm extended head for very bulky items such as bags, cushions, leather gloves and armchairs. Fitted with the Smart Stitching System, it combines Flexible Alternation Technology with 0 Resistance Thread Control Technology to deliver smooth, wrinkle-free stitching on thin fabrics and refined, bead-free seams on thick materials. Equipped with an integrated 750W motor, it can effortlessly pierce through more than 10 layers of leather. Supplied complete.
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Jack JK-2030GHC-4Q - Top & Bottom Feeding Computerized Lockstitch Machine. This 1-needle lockstitch machine is specifically designed for sewing thicker materials such as leather and upholstery fabrics. It features an energy-efficient Direct Drive motor integrated directly into the machine head, ensuring quiet operation and low power consumption. The double transport system—combining bottom feed dogs and an upper rolling foot—provides perfect synchronization and smooth feeding of both upper and lower fabric layers, even with challenging materials. Equipped with a clear, easy-to-use operating panel built into the machine head and bright LED illumination at the needle bar for improved visibility. The extended arm design offers a generous workspace, with a distance of 33.5 cm from the machine body to the needle bar, accommodating larger and bulkier items.
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Jack JK-2060GHC-4Q - (Needle, Feed Dog, Presser Foot) Compound Feeding Computerized Lockstitch. fabrics. It features an energy-efficient Direct Drive motor built directly into the machine head, providing quiet operation and low power consumption. The compound feeding system, combining needle, feed dog, and presser foot movement, ensures precise and synchronized transport of both upper and lower fabric layers for consistent stitch quality on challenging materials. The machine includes a clear, user-friendly operating panel integrated into the head, along with bright LED illumination at the needle bar for enhanced visibility. With an extended arm design, it offers a spacious working area with a distance of 33.5 cm from the machine body to the needle bar, perfect for handling larger or bulkier projects.
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