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JACK® JK-58420B lockstitch industrial sewing machine

JACK · Lockstitch

JACK® JK‑58420B

JACK® JK-58420B – Double Needle Lockstitch – Complete Setup, Table & Stand Included

The JACK JK-58420B is an industrial double needle needle-feed lockstitch sewing machine built for clean, consistent parallel seaming on medium-weight fabrics.

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Pricing, configuration, and ordering on the Shopify store.

Performance

Max Sewing Speed
3,000 SPM
Max Stitch Length
7 mm

Capacity

Needle System
DP×5, sizes #11–16 (double needle)
Needle Gauge
6.4 mm
Presser Foot Lift
7–13 mm
Max Sewing Thickness
5 mm

Automation

Drive Type
Direct drive
Lubrication
Closed (no oil stains on fabric)

Physical

Motor
750W direct-drive servo motor
Work Area
264 × 120 mm
Dimensions (L×W×H)
725 × 320 × 675 mm
Machine Weight
Approx. 43–53.5 kg
Setup
Complete — table and stand included

Manufactured by

Jack. 30+ years of industrial sewing.

Why Jack →

Detail

How it runs on the floor

The JACK JK-58420B is an industrial double needle needle-feed lockstitch sewing machine built for clean, consistent parallel seaming on medium-weight fabrics. This complete setup includes the machine head, 750W direct-drive servo motor, industrial table, and stand — ready to run out of the box. Ideal for jeans, workwear, and structured garments requiring durable twin-needle stitching at up to 3,000 SPM.

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What's Included

  • JACK JK-58420B-A-003C double needle lockstitch machine (ships assembled)
  • Industrial sewing table and stand
  • 750W direct-drive servo motor
  • Standard double needle presser foot set
  • Needle set (DP×5) and bobbins
  • Oil can and maintenance tools

Key Features

  • Double needle lockstitch (stitch type 301) — produces two precise parallel rows of durable stitching in a single pass for professional seam finishing
  • 750W direct-drive servo motor — up to 71% energy savings over conventional motors, with better needle penetration and quieter operation
  • Self-cooling handwheel — circulates air to reduce motor temperature and extend component lifespan during extended production runs
  • Closed lubrication system — prevents oil stains on fabrics, protecting finished goods throughout production
  • 3-level adjustable LED work light — optimal needle area visibility for precision work in any lighting condition
  • Large work area (264 × 120 mm) — accommodates bulkier garments and multi-layer fabrics
  • Up to 5 mm sewing thickness — handles medium-weight multi-layer constructions with ease

Ideal For

  • Jeans, denim jackets, and casual garments requiring twin-needle topstitching
  • Trousers, workwear, and uniforms with parallel waistband and seam stitching
  • Outerwear and structured garments requiring durable double-stitch construction
  • Canvas bags and accessories with visible parallel seams
  • Production environments prioritizing energy efficiency and clean, oil-free output

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.

Other Lockstitch machines

JACK® JK‑58420B

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