
JST-669Industrial Sewing Machines
Cylinder Bed Walking Foot Heavy Duty Sewing Machine
Suitable for Heavy-duty materials (leather, canvas, thick fabrics)
Include material thickness, product photos, required process, voltage and expected daily output.
What this machine can do
Key Features
Cylinder-bed sewing head
The cylinder-bed head gives access around shaped leather, canvas and thick-fabric components.

Internal hook-side mechanism
The exposed side view shows the mechanical components around the hook and feed area.

Direct-drive motor
The motor view shows the drive assembly that powers the sewing head.

Needle and material path
The needle area is shown working over a leather component.

Machine-side adjustment
The side-mounted adjustment components are positioned for operator access.

Technical data
Technical Data
Confirmed machine parameters are presented below in a clear table.
| Lubrication | Minimum lubrication system |
|---|---|
| Application | Heavy-duty materials (leather, canvas, thick fabrics) |
| Max. sewing speed | 3,000 sti/min |
| Max. stitch length | 8mm (adjustable) |
| Feed system | Compound three-synchronous feed system (needle, feed dog, presser foot synchronization) |
| Presser foot height | Presser bar lifter: 8mm, Knee lifter: 16mm |
| Needle bar stroke | 34mm |
| Needle (DBx1/DCx27) | #18–#24 (Nm110-160) |
| Max. thickness of the material to be sewn | 7mm (thick material) |
| Quick back device | Standard equipment |
| Thread presser | Standard equipment |
| Weight | 52kg (net weight), 56kg (gross weight) |
| Power | Direct drive servo motor, 250W/400W/550W optional |
| Voltage | Single phase: 110V/220V, compatible with global voltage standards |
Product inquiry
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Share your workpiece, material, target output and destination voltage.
