Three needle feed off the arm double chainstitch machine, with newly developed folder. The machine is the leading double chainstitch machine for heavy weight fabrics and achieves higher efficiency in operation and higher quality of finished products. The looper tucks the thread without fail, thereby preventing stitch skipping. Machine is equipped with top and bottom roller type steel cloth puller that securely clamps the materials. **KEY FEATURES** ✅Max Sewing Speed: 3000 stitches per minute for high productivity ✅Needle Configuration: 3 needles, 4 threads for durable seam construction ✅Max Stitch Length: 12mm with push-button adjustment ✅Needle Bar Stroke: 36.5mm for improved fabric penetration ✅Presser Foot Lifting Height: 8mm ✅Motor Type: Auto-integrated, power-saving motor (71% energy saving) ✅Lubrication: Auto oil lubrication system for longer machine life ✅Material Compatibility: Designed for light to heavy fabrics including denim, shirts, and raincoats ✅Body: Heavy-duty cast iron construction for stability and durability ✅Noise Level: Low-noise operation for comfortable working conditions **Puller Options:** ✅PL Device: Built-in motorized puller ✅PS Device: External puller with timing belt ✅Oil-lubricated rear puller for smoother feeding ✅Column Stand: Optional ergonomic column stand for convenience ▶️Warranty: 3 years manufacturer warranty PERFECT FOR: ▶️Producing jeans, workwear, outerwear, and technical garments requiring strong and precise seams. Optional: JK-T9270D (2 needle), 9280D (3 needle)