Jack 798TDI-4-514-M04/435 Overlock Sewing Machine – 4-Thread, Variable Top Feed for Heavy Fabrics
Four thread variable top feed computerized overlock machine for demi
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Jack 798TDI-4-514-M04/435: Conquer Heavy Fabrics with Unstoppable Overlock Precision
Engineered for the toughest materials in the workshop, the Jack 798TDI-4-514-M04/435 is a heavy-duty 4-thread overlock machine built to power through denim, canvas, and layered outerwear with ease. Its advanced variable top feed system guarantees smooth, even stitching on thick or complex fabrics, eliminating puckering and ensuring professional results every time. Designed for high-volume environments, this machine combines rugged industrial construction with energy-saving technology and bright LED illumination—delivering strength, efficiency, and reliability where it matters most.
Key Specifications
🧵 Stitch Type: 4-Thread Overlock
⚙️ Feed System: Variable Top Feed for Even Stitching
💪 Fabric Capacity: Heavy & Multi-Layer Materials
⚡ Motor Type: Power-Saving Industrial Servo
💡 Illumination: Integrated Bright LED Light
🛠️ Build: Industrial-Grade for High-Volume Use
Perfect For:
👖 Denim & Jeans | 🎒 Canvas & Bags |🧥 Jackets & Outerwear | ⛑️ Workwear & Uniforms |🛋️ Upholstery & Heavy Textiles
When other machines struggle, the Jack 798TDI powers ahead—built heavy-duty for those who build to last.
Computerized - An LCD display has been added to control the new functions such as automatic sewing, photocells and the chaincutter from the panel.
Three sewing modes - Automatic: works through sensors without the use of the pedal
Semi-Automatic: works with automatic presser foot lifter and automatic chain cutter
Manual: work by selecting the relevant aids from the panel
Photocells - The photocells allow you to start and finish the seam automatically, as well as activate the chaincutter and the foot lifter.
Automatic Electric Chaincutter
Thanks to the photocells, the electronic presser foot lifter and chaincutter are automatic at the end of the seam.
Optimized feeding structure - Feeding synchronized with the feed dog, both thin and soft tissues as well as thick fabrics can be fed evenly.
Top Feed - Thanks to the selector it is easy to adjust the difference ratio between the upper and lower feeds.
Optimized needle bar structure - Fully enclosed needle bar construction and DLC (diamond like carbon) machining of the needle bar surface.
LED light - The adjustable brightness guarantees the precision of threading without straining the eyes.
Direct drive motor - Thanks to the integrated, energy-saving motor, the time required for assembling the machine is reduced to a minimum.
Jack 798TDI Machines Specifications
