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Jack
JACK® W4S coverstitch industrial sewing machine

JACK · Coverstitch

JACK® W4S

JACK® W4S UT 01GB – 3-Needle Flatbed Coverstitch with Thread Trimmer – Complete Setup, Table & Stand Included

The JACK® W4S UT 01GB is a 3-needle flatbed coverstitch machine designed for industrial hem finishing, top-and-bottom covering stitches, and flat-seam construction on lightweight apparel and activewear.

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Pricing, configuration, and ordering on the Shopify store.

Performance

Max Speed
4,000 SPM

Capacity

Needle System
UY128GAS, sizes #9S–#14S (standard #10S)
Needles
3

Automation

Drive Type
Direct Drive

Physical

Machine Type
Industrial 3-Needle Flatbed Coverstitch
Motor
550W Direct Drive Servo Motor
Feed Type
Drop Feed with Differential
Construction
Flatbed
Machine Head Weight
46 kg (100 lbs)

Manufactured by

Jack. 30+ years of industrial sewing.

Why Jack →

Detail

How it runs on the floor

The JACK® W4S UT 01GB is a 3-needle flatbed coverstitch machine designed for industrial hem finishing, top-and-bottom covering stitches, and flat-seam construction on lightweight apparel and activewear. Featuring an automatic thread trimmer, direct drive servo motor, auto presser foot lifter, and an integrated mechanics-and-electronics design, it delivers arch-free stitching across light to heavy fabrics — supplied complete with table and stand.

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What's Included

  • JACK W4S UT 01GB 3-needle flatbed coverstitch machine head
  • Heavy-duty industrial sewing table
  • Industrial stand with motor mount
  • 550W direct drive servo motor
  • LED work lamp
  • Standard accessories kit (needles, loopers, tools)
  • Instruction manual

Key Features

  • 3-needle flatbed coverstitch — top-and-bottom covering stitches and bottom hem finishing on garments and activewear
  • Automatic thread trimmer — upper and lower thread trimming for faster cycle times and cleaner starts
  • Auto presser foot lifter — hands-free foot lift for efficient fabric positioning
  • Differential feed — prevents arching on stretch, knit, and Lycra fabrics
  • Integrated mechanics-and-electronics design — streamlined construction for reliable high-speed operation
  • Direct drive servo motor — belt-free, quiet operation with precise speed control
  • Max sewing speed 4,000 SPM — efficient output for production environments

Ideal For

  • Hem finishing on T-shirts, sportswear, and knitwear
  • Top-and-bottom covering stitch seaming on activewear and stretch fabrics
  • Flat-seam construction on lightweight and medium-weight garments
  • Industrial production of underwear, swimwear, and performance apparel

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?

Pricing and live availability are handled on the Shopify store. Tap 'View on Shopify' above to see the current price, configuration options, and delivery estimates for your zip code.

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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