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JACK® JK-E4S-4-M03/333 2-Needle 4-Thread Direct Drive Industrial Overlock Sewing Machine – Complete with Table & Stand
FULLY ASSEMBLED | TABLE, MOTOR & STAND INCLUDED
Professionally assembled, adjusted, and sewing-tested by JMJ Sewing Machines before delivery.
IMPORTANT — WHEELS ARE NOT INCLUDED
Caster wheels are not included with this industrial sewing machine and are sold separately.
If wheels appear in product photographs, they are used for showroom mobility and are not part of the standard package.
TWO NEEDLES • FOUR THREADS • DIRECT DRIVE • DIFFERENTIAL FEED
Product Overview
The JACK® E4S-4-M03/333 is an industrial overlock sewing machine configured with two needles and four threads for garment assembly and fabric edge finishing.
Its four-thread stitch arrangement allows the operator to join compatible fabric sections while finishing their edges during the same sewing operation.
The integrated direct-drive motor provides electronically controlled machine operation, while the differential-feed mechanism allows adjustments to material movement.
This combination is suitable for professional sewing environments working with selected knitted and woven garment materials.
JMJ Sewing Machines supplies the E4S-4-M03/333 as a complete industrial workstation with machine head, integrated motor, table, and stand.
Key Features
- Four-Thread Overlock Configuration: Designed for seam construction and edge finishing on compatible fabrics.
- Two-Needle Sewing System: Uses two needles within the four-thread stitch arrangement.
- Integrated Direct-Drive Motor: Motor is incorporated into the machine's drive configuration.
- Electronic Speed Adjustment: Allows the operator to select supported sewing speeds according to production requirements.
- Differential Material Feeding: Provides adjustments to fabric movement during overlock sewing.
- Adjustable Stitch Length: Allows the stitch setting to be adapted to compatible garment applications.
- LED Work Light: Provides illumination around the needle and sewing area.
- Industrial Construction: Designed for regular use in professional garment production.
- Complete Sewing Station: Includes the machine head, integrated motor, industrial table, and metal stand.
Recommended Applications
The JACK E4S-4-M03/333 is intended for industrial four-thread overlock operations such as:
- Garment seam assembly.
- Fabric edge finishing.
- Selected knitwear applications.
- Casualwear manufacturing.
- Sportswear production.
- Light-to-medium textile sewing.
- Professional garment workshops.
Material suitability depends on fabric composition, thickness, needle selection, thread type, and machine adjustments.
Technical Specifications
| Brand | JACK® |
| Model | JK-E4S-4-M03/333 |
| Machine Type | Industrial Overlock / Serger |
| Number of Needles | 2 |
| Number of Threads | 4 |
| Stitch Application | Four-Thread Overlock / Mock Safety Seam |
| Needle System | DC × 27 — Listed Specification |
| Needle Size | #11 — Listed Configuration |
| Needle Spacing | 2 mm — Listed Specification |
| Stitch Width | 4 mm × 4.6 mm — Verify Configuration |
| Stitch Length | 0.8–4.6 mm — Listed Specification |
| Differential Feed Ratio | 0.7–2.0 — Verify Configuration |
| Presser Foot Lift | 5.5 mm — Listed Specification |
| Maximum Sewing Speed | 5,500 SPM — Listed Specification |
| Motor | Integrated Direct-Drive Servo Motor |
| Speed Control | Digital |
| LED Work Light | Included |
| Motor Voltage | Confirm on Machine Rating Label |
| Motor Power | Confirm with Manufacturer |
| Needle Position Control | Verify Exact Configuration |
| Industrial Table | Included |
| Industrial Stand | Included |
| Assembly | Fully Assembled by JMJ Sewing Machines |
| Wheels / Casters | Not Included — Sold Separately |
Included with the Machine
- JACK® E4S-4-M03/333 Industrial Overlock Machine Head.
- Integrated Direct-Drive Motor.
- Industrial Sewing Table.
- Heavy-Duty Metal Stand.
- Thread Stand.
- Standard Accessories Supplied with the JMJ Configuration.
JMJ Machine Preparation
Before delivery, JMJ Sewing Machines prepares the complete industrial workstation for its intended application.
Our team performs assembly, applicable lubrication, machine adjustments, and a sewing test.
The sewing test helps verify basic stitch formation and machine operation before the equipment leaves our facility.
JMJ Sewing Machines Recommends
When selecting an industrial four-thread overlock machine, consider the fabric type, production volume, and required seam construction.
Needle selection, thread type, stitch length, and differential-feed adjustments should match the material being sewn.
For assistance selecting industrial overlock equipment, contact JMJ Sewing Machines.
Important Before Ordering
VERIFY MACHINE CONFIGURATION
Before ordering, confirm the electrical requirements, needle system, and intended sewing application.
Certain specifications may vary according to the exact machine configuration supplied.
Wheels are not included with the standard industrial workstation and must be purchased separately if required.
Contact JMJ Sewing Machines for assistance with equipment selection and compatibility.
Warranty & Technical Assistance
JMJ Sewing Machines provides direct warranty assistance and technical support for eligible industrial sewing machines purchased from our store.
For qualifying manufacturing defects covered by JMJ's limited warranty, applicable replacement parts and repair labor are included.
Preliminary troubleshooting may be available through video calls when appropriate.
In-person inspection or repair may still be required. Coverage is subject to the applicable written warranty and does not limit manufacturer warranties or mandatory legal rights.
Why Choose JMJ Sewing Machines?
- 30+ Years of Experience: Specialized knowledge of industrial sewing machinery.
- Professional Machine Preparation: Assembly, adjustments, and applicable sewing tests.
- Equipment Selection Assistance: Guidance when selecting machines for garment production.
- Technical Assistance: Support with machine operation, maintenance, and repairs.
- Bilingual Customer Service: Assistance in English and Spanish.
JMJ SEWING MACHINES
Industrial, Domestic & Embroidery Machines
Parts • Accessories • Repairs
30+ Years of Experience
Orlando, Florida
English: 407-451-7450
Español: 321-374-2407
Professional Equipment. Experienced Support.