LS3667612HM Heavy Duty Long Arm Zigzag Sewing Machine China Suppliers Factory
Looking for reliable China suppliers? Our factory provides the LS366-76-12HM long arm and high arm sewing machine with 760mm reach and 273mm height. Engineered for heavy canvas and sails, this powerful machine supports optional pullers for handling massive materials with ease.
About this product
Product information from the supplier.
The LS366-76-12HM is a premium heavy-duty long arm and high arm zigzag sewing machine specifically engineered for the demanding requirements of the sail-making and industrial tent industries. Featuring an extended 760mm arm and an increased height of 273mm, this powerhouse provides unparalleled working space for handling massive pieces of heavy canvas and reinforced technical fabrics.
Equipped with a high-capacity Adler 204 big shuttle hook and versatile pattern wheels, the LS366-76-12HM effortlessly executes straight lines as well as 2, 3, and 4-step zigzag stitches. Whether you are working with 1.4mm hollow threads or upholstery-grade materials, this machine delivers industrial-strength penetration and precision, supported by pneumatic foot lift and reverse sewing for maximum operational efficiency.
Detailed Parameters
| Model | LS366-76-12HM | Max Sewing Speed | 700 r.p.m |
|---|---|---|---|
| Max Stitch Length | 10mm | Max Zigzag Width | 14mm |
| Zigzag Steps | 2, 3, 4 steps | Presser Foot Lift | By hand / By knee (20mm) |
| Shuttle Hook | KSP-204 (Big Shuttle) | Needle Type | DYx3 27# |
| Working Space | 760mm (L) x 273mm (H) | Lubrication | Manual |
Key Advantages
Heavy-Duty Penetration
Engineered for hard materials, it handles thick threads like V462 and 1.4mm hollow thread with ease.
High Efficiency Hook
The Adler 204 big shuttle hook increases bobbin capacity, significantly reducing downtime for refills.
Versatile Stitching
Switch between straight lock-stitch and 2, 3, or 4-step zigzags using specialized pattern wheels.
Extended Work Area
Long arm (760mm) and High arm (273mm) design allows for sewing oversized industrial products.
Pneumatic Automation
Standard pneumatic foot lift and reverse sewing ensure smooth operation and reduced operator fatigue.
Powerful Puller Option
Optional pneumatic puller effortlessly moves hundreds of square meters of heavy canvas.
Product Gallery
Management Platforms
Material Compatibility
Optimized for heavy canvas, leather, and synthetic sail cloth.
Motor Flexibility
Supports both 380V clutch motors and precision servo motors.
Precision Control
Servo motor options include needle position fixed-up functionality.
Heavy-Duty Threading
Compatible with V415, T-500, and thick upholstery threads.
Industrial Design
Built for long-term durability in high-intensity manufacturing environments.
Ergonomic Lift
Pneumatic presser foot lift for effortless handling of thick stacks.
Investment Return Comparison
| Feature | Standard Zigzag Machine | LS366-76-12HM |
|---|---|---|
| Arm Length | Standard (Short) | Extra Long (760mm) |
| Material Capacity | Medium/Heavy | Ultra-Heavy / Hard |
| Stitch Variety | Limited Zigzag | 2, 3, 4 Steps + Straight |
| Hook Capacity | Small/Medium | Big Shuttle (Adler 204) |
| Productivity | Manual Feeding | Pneumatic Puller Assisted |
Frequently Asked Questions
Its combination of a long arm (760mm), high arm (273mm), and the ability to sew heavy-duty zigzag stitches makes it ideal for the large-scale and thick materials used in sails.
Yes, it is specifically designed for thick threads including 1500dx3, V415, V462, T-500, and 1.4mm hollow or flat upholstery threads.
The big shuttle hook increases the bobbin thread capacity, which means fewer thread changes and higher overall working efficiency during long production runs.
The puller is an optional addition. When added, it features a pneumatic lift to help move hundreds of square meters of heavy canvas with ease.
We offer both 380V 3-phase clutch motors for raw power and servo motors for precision, including options for fixed needle positioning.
By utilizing the four different pattern wheels, the machine can perform straight lock-stitch sewing as well as 2-step, 3-step, and 4-step zigzag patterns.



