
JST-4420Industrial Sewing Machines
Thick Material Single and Double Needle Sewing Machine
Suitable for Leather, canvas, foam, multi-layer fabrics and other heavy materials
Include material thickness, product photos, required process, voltage and expected daily output.
What this machine can do
Key Features
Needle and feed area
The needle, presser-foot and feed components work together to move thick materials steadily through the stitch area.

Thread-tension assembly
The thread-tension components control the upper thread as it enters the sewing path.

Machine-side adjustment
The machine-side dial is positioned for convenient operating adjustment.

Technical data
Technical Data
Confirmed machine parameters are presented below in a clear table.
| Model | JST-4420 |
|---|---|
| Stitch Type | Single / Double Needle Lock Stitch |
| Max. Sewing Speed | 2800 SPM |
| Feeding System | Needle, Presser Foot & Feed Dog Triple Compound Feed |
| Max. Stitch Length | 9 mm |
| Presser Foot Lift (Knee Control) | 16 mm |
| Needle Gauge Range | 3.2 mm ~ 25.4 mm |
| Hook Type | Large Vertical Rotary Hook |
| Needle Type | DP×17 |
| Applicable Materials | Leather, canvas, foam, multi-layer fabrics and other heavy materials |
| Lubrication Mode | Full Automatic Lubrication |
| Motor Type | Direct Drive Servo Motor |
| Working Voltage | Single Phase 110V / 220V |
Product inquiry
Get the Correct Model and Configuration
Share your workpiece, material, target output and destination voltage.
