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Jack C4-4-M03/333

High Speed Automatic 4-Thread Overlock Machine

Sewing machine with 3 easy to change function modes, manual, semi-automatic and automatic. Lubricated needle bar, vibrations and noise reduced to a minimum. Photocells, chain cutter and foot lifter included.

Three Sewing Modes

Automatic: works through sensors without the use of the pedal
Semi-Automatic: works with automatic presser foot lifter and automatic chain cutter
Manual: work by selecting the relevant aids from the panel

Effective Oil Control

Needle bar and sealed oil pickup system to prevent oil leaks.

Voice Guide

Using the machine, it will teach you the various functions itself, if there are errors it will notify you and by clicking the VOICE button it will suggest how to solve the problem, moreover with a single key you can return to the initial settings.

Single Motor Shaft

Reduces the torque, the machine works more stable.

Speed Up To 7000 R.P.M

The maximum speed is 7,000 rpm, which is 35% faster than a standard machine.


Allow you to start and finish the seam automatically, as well as activate the chaincutter and the foot lifter.

Adjustable Overedge

From 6 to 10mm.

Footlifter And Chain Cutter

Thanks to the photocells, the electronic presser foot lifter and chaincutter are automatic at the end of the seam.

Technical Specifications

Model Jack C4-4-M03/333
Application Plain Seaming
Needle DCx27
Needle Size #11
Number of Needles 2
Number of Threads 4
Needle Distance 2
Stitch Width (mm) 4
Stitch Length 4.6
Differential Ratio 0.7-2
Presser Foot Lifting Height (mm) 5.5
Max Speed (s.p.m) 7000
Volume (mm) 525x360x510
Weight (kg) 33/41
More Information
Part No JACKC4-4-M03/333
Weight (KG) 69.000000
Manufacturer Jack
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