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JACK A4C lockstitch industrial sewing machine

JACK · Lockstitch

JACK A4C

JACK A4C C AI Octopus Nine Brain Chip! Single Needle Direct Drive Fully Automatic Drop Feed Lockstitch Industrial Sewing Assembled with Table and Stand Included

$1,453$1,651

In stock

The JACK A4C-C is a single-needle direct drive fully automatic drop feed lockstitch industrial sewing machine featuring JACK's Octopus Nine-Brain AI chip for real-time sewing optimization.

  • Free shipping to most US states
  • Financing — Affirm & Synchrony
  • Manufacturer warranty
  • Genuine parts & US service
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Add to cart, then check out securely. Financing (Affirm & Synchrony) applied at checkout.

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Performance

Stitch Type
Single-needle lockstitch

Capacity

Needle System
DBx1, Size #9–#18

Automation

Drive Type
Direct Drive
AI System
Octopus Nine-Brain chip with NTB

Physical

Motor
550W Integrated Direct Drive Motor
Machine Class
High-speed AI-assisted lockstitch machine

Manufactured by

Jack. 30+ years of industrial sewing.

350+ genuine parts in stock (USA) · authorized US service · manufacturer warranty included.

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Detail

How it runs on the floor

The JACK A4C-C is a single-needle direct drive fully automatic drop feed lockstitch industrial sewing machine featuring JACK's Octopus Nine-Brain AI chip for real-time sewing optimization. This complete setup includes the machine, integrated direct drive motor, sewing table, and stand — ready to run straight out of the box. The built-in NTB (Needle Thread Breakage) system significantly reduces thread breakage during high-speed operation, delivering consistent stitch quality across a wide range of fabric types.

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What's Included

  • JACK A4C-C single-needle lockstitch machine
  • Integrated direct drive motor
  • Industrial sewing table and stand
  • Standard presser foot and accessories
  • Needle set and bobbin
  • Operator's manual

Key Features

  • Octopus Nine-Brain AI chip processes multiple sewing parameters simultaneously in real time for optimized stitch output
  • NTB (Needle Thread Breakage) system dramatically reduces thread breakage during high-speed production
  • Fully automatic drop feed for consistent, hands-free material advancement
  • Direct drive motor for quiet, energy-efficient, low-maintenance performance
  • High-speed output with AI-controlled stitch quality across all fabric types

Ideal For

  • High-volume garment manufacturing requiring consistent stitch quality at speed
  • Shirt, trouser, and apparel production in CMT and cut-and-sew operations
  • Production environments where thread breakage and downtime must be minimized
  • Factories adopting AI-assisted sewing technology for quality consistency

Questions

Before you buy

Quick answers to the questions buyers ask most about Jack industrial machines. For pricing, configuration, and live availability, the Shopify product page is always the source of truth.

How do I get current pricing for this Jack model?

The price is shown above on this page. Add the machine to your cart and check out securely — the current price, configuration options, financing (Affirm & Synchrony), and delivery estimates are confirmed at checkout.

Does the machine ship as a complete setup?

Most Jack industrial models ship as complete production setups: head, servo motor, table, and stand. The product description above lists exactly what's included for this specific model.

What kind of warranty does Jack provide?

Every Jack machine carries a manufacturer warranty against defects in materials and workmanship. Authorized US dealers also provide local service and parts support. See the Shopify product page for the warranty terms specific to this model.

Are genuine Jack replacement parts available?

Yes. Original Jack feed dogs, hooks, gauge sets, presser feet, and electronics are stocked and traceable to the manufacturer. The Service & Parts page lists parts categories; the Shopify store carries the active SKUs.

Where is service available in the United States?

Authorized service technicians work nationwide through Jack's US dealer network. The Service & Parts page explains how coverage works, and each model's Shopify listing routes you to the dealer closest to your production floor.

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