E4S: Direct Drive, Double Needle, Differential Feed, Overlock Machine (4 Thread)
E4S: Direct Drive, Double Needle, Differential Feed, Overlock Machine (4 Thread)

E4S: Direct Drive, Double Needle, Differential Feed, Overlock Machine (4 Thread)

Jack Sewing Co, LTD
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The Jack E4 series of overlock sewing machines was designed to provide fast, smooth, vibration free sewing at any speed. The E4 is a completely sealed unit with closed circuit oiling and oil proof needle bar to eliminate costly oil stains on fabrics. The coaxial shaft driven by the integrated direct drive motor produces less vibration and noise creating the perfect serging at any speed. The powerful motor is capable of sewing lightweight to heavyweight fabrics.


  • Direct Drive AC Servo Motor
  • Adjustable Sewing Speed
  • Needle Position Sensor
  • Differential Feed
  • Oil Proof Needlebar
  • Integrated Adjustable LED
  • Complete with Table and Stand

Work Smarter

The Jack E4 was designed on the same all steel chassis as the rest of the Jack lineup and driven by the coaxial direct drive AC servo motor, the E4 is full of features not found on competitively priced machines.

Simplified Control

The Jack E4 features a simplified control panel that allows the operator to adjust sewing speed to suit their experience level.

Improved Workspace

The Jack E4 has one of the largest workspaces allowing for 27mm of clearance for fabrics to easily feed through the machine. In addition the E4 features our newly designed needlebar which has been improved over our competitors designs to prevent oil leakage on fabrics.

Direct Drive

No complicated motors or belts to deal with; the Jack A4 comes equipped with an integrated AC servo motor. The servo motor is mated to the machine head by a proprietary coaxial shaft that reduces vibration and noise; this allows the user to perform consistent seams at any speed.


The Jack E4 features an improved feeding device that allows the machine to sew more evenly a wide variety of materials with little to no adjustment of thread tension.

Modern Design

The Jack Sewing Machine Co. LTD, lineup of machines have all undergone design updates improving not only functionality but aesthetics. In addition to the redesigned machine head, the heavy duty table and stand have all undergone updates as well. Each machine ships as a complete set.

Machine Specifications


Lightweight - Medium Weight Fabrics

Feed Type

Differential Feed

Max. Sewing Speed

5,500 Stitches/Min

Differential Ratio





Integrated Direct Drive AC Servo

Lubrication System




Presser Foot Height



DCx27 #11 (11-14) (19 Optional)

Needle Distance

User Specified


Integrated 3-Way Adjustable LED

Box 1:

  • -Jack E4 Machine Head
  • -Jack Thread Stand
  • -Jack Tool Set
  • -Jack Machine Cover
  • -Jack Parts Catalog and Manual
  • -Jack Machine Oil
  • -Bobbin and Needle Set

Box 2:

  • -Jack E4 Table
  • -Jack Heavy Duty Stand

Eligible for Flat Rate Shipping; machine ships unassembled via Fedex Ground/Home Delivery. Please check our Shipping Policy for details.