Jack C5T-4-M03.333

JACK C5T-4-M03333 is a high-speed industrial 4-thread overlock machine with direct drive, walking foot (top feed), and smart control.

Top Feed System

An adjustable mechanism makes it easy to set the differential feed ratio between the upper and lower feed dogs, ensuring smooth handling of various fabrics.

Top Feed

Voice Guidance

Learn how to use new features with the built-in voice guide. In case of errors, press the VOICE button for instant troubleshooting assistance and step-by-step solutions.
Voice Guidance
Automatic Thread Trimmer Equipped with photocells, the electronic trimmer automatically activates at the start and/or end of the seam, ensuring a clean finish without manual intervention.
Automatic Thread Trimmer
Automatic Presser Foot Lifter Electronically controlled, the presser foot automatically lifts before and/or after sewing via built-in photocells, boosting efficiency and simplifying operation.
Automatic Presser Foot Lifter
Acceleration and Deceleration Increased responsiveness with 14.3% faster reaction time: acceleration from 0 to 5,500 rpm in just 100 ms and deceleration to zero in 180 ms for precise and efficient control.
Acceleration and Deceleration
Three Sewing Modes Choose from three flexible operation modes:
Manual: Full control via pedal.
Semi-automatic: Pedal for sewing, automatic thread trimming and presser foot lift via photo sensors.
Automatic: Fully controlled by photocells (no pedal required).
Three Sewing Modes
Wide Adaptability The dual feed system improves fabric handling, allowing you to easily and accurately sew a wide range of materials with varying densities.
Wide Adaptability
Mesh Fabric Mode Prevents false triggers when sewing thin or transparent fabrics such as tulle or organza by disabling photocell activation until proper contact with the fabric is detected, ensuring flawless stitch quality from the very first stitch.
Mesh Fabric Mode
Short Thread Trimming The automatic electric trimmer driven by photo sensors precisely trims the thread (8 mm in front and 5 mm in the back), minimizing waste and eliminating the need for manual trimming.
Short Thread Trimming
Industry 4.0 Thanks to the built-in Wi-Fi module, you can remotely monitor performance and configure equipment parameters via the app. Note: One Jack Gateway is required for every 50 machines.
Industry 4.0

Jack C5T-4-M03/333 is a high-speed computerized 4-thread overlock with a direct-drive servomotor, walking foot (top feed), and intelligent control. Equipped with a built-in differential feed that ensures superior performance when sewing dense materials. Combining durability, precision, and ease of use, this overlock offers powerful feeding performance, advanced anti-layer-shifting technology, and smart automated functions for efficient seaming of long pieces.

Technical Specifications

Model Jack C5T-4-M03/333
Application 4-Thread Overlock (Light / Medium Fabrics)
Needle Type DCx27 #11
Number of Needles 2
Number of Threads 4
Needle Gauge (mm) 2
Overedge Width (mm) 4
Stitch Length (mm) 4.6
Differential Ratio 0.7-2
Presser Foot Lifting Height (mm) 5.5
Max Speed (r.p.m) 6000
Dimensions (mm) 505 x 360 x 565
Weight (kg) 29.2 / 39.8