LS7800 Heavy Duty Single Needle Sewing Machine China Suppliers Factory
Looking for a high-performance LS7800 sewing machine? As leading China suppliers and factory, we offer this evolved 4-1 machine with a bigger shuttle hook and speeds up to 1000rpm for FIBC bags and heavy fabrics.
About this product
Product information from the supplier.
The LS7800 series represents a professional evolution in heavy-duty sewing technology, specifically engineered to surpass the limitations of traditional 4-1 sewing machines. Designed for high-performance industrial applications, this Heavy Duty Single Needle Lock Stitch machine features a sophisticated top and bottom feeding mechanism that ensures absolute material stability. By eliminating layer shifting during the sewing process, it delivers impeccable stitch quality even when handling the most challenging, thick industrial fabrics.
Equipped with an oversized shuttle hook, the LS7800 is optimized for maximum efficiency and durability. It supports thicker threads and materials while achieving impressive operational speeds of up to 1000rpm, significantly reducing downtime and increasing output. Whether you are producing FIBC jumbo bags, safety belts, or heavy-duty tents, the LS7800 provides a stable, cost-effective, and powerful solution for modern textile manufacturing requirements.
Detailed Parameters
| Model | LS7800 / LS7800TD | Working Speed | 800-1000 r.p.m |
|---|---|---|---|
| Max Stitch Length | 14mm | Presser Foot Lift | Hand (14mm) / Knee / Pneumatic |
| Shuttle Hook | HSH-7-3 (Large Capacity) | Needle Type | DDx3 27# |
| Lubrication System | Manual | Working Space | 420 x 210mm |
| Motor Options | 380V 3-Phase Clutch Motor | Applications | FIBC, Lifting Belts, Tents, Suitcases |
Key Advantages
Superior Material Handling
Strong top and bottom feeding mechanism prevents fabric slippage, ensuring perfectly aligned and beautiful stitches on thick layers.
High-Speed Productivity
Capable of reaching speeds up to 1000rpm, offering a significant productivity boost compared to older heavy-duty models.
Enhanced Hook Capacity
The big shuttle hook increases bobbin thread capacity, reducing the frequency of bobbin changes and maximizing uptime.
Industrial Durability
The shuttle hook is engineered for greater strength than rotary hooks, making it ideal for heavy-duty threads and rugged fabrics.
Customizable Efficiency
Optional pneumatic foot lift and pneumatic reverse sewing drastically improve operator efficiency and reduce physical fatigue.
Versatile Application
Perfectly suited for FIBC jumbo bags, safety products, lifting belts, tents, and high-end suitcases.
Product Gallery
Management Platforms
Model Selection
Choose between the GSC7800 basic function type or the GSC7800TD for advanced pneumatic capabilities.
Power Management
Standardized 380V 3-phase clutch motor options to ensure stable power delivery for heavy-duty loads.
Precision Feeding
Advanced top and bottom feed control to maintain stitch consistency across thick material layers.
Workflow Automation
Integrate pneumatic presser foot lifts to accelerate the material loading and unloading cycle.
Thread Management
Optimized for DDx3 27# needles and heavy-duty threads to minimize breakage and downtime.
Quality Stability
Engineered for long-term industrial use with high-strength components for consistent performance.
Investment Return Comparison
| Feature | Standard 4-1 Machine | LS7800 Series |
|---|---|---|
| Working Speed | Low to Medium | High (Up to 1000rpm) |
| Bobbin Capacity | Standard | Increased (Big Shuttle Hook) |
| Feeding Precision | Basic Feed | Precise Top & Bottom Feed |
| Operational Effort | Manual Only | Optional Pneumatic Automation |
| Material Thickness | Limited | Extra Heavy-Duty Capable |
Frequently Asked Questions
The LS7800 features a larger shuttle hook, higher maximum speeds (up to 1000rpm), and superior top and bottom feeding mechanisms that prevent material shifting, offering better efficiency and stitch quality.
Yes, the machine is specifically designed for heavy-duty applications. Its big shuttle hook provides more strength than rotary hooks, making it ideal for thick threads used in FIBC bags and safety belts.
The GSC7800 is the basic function model. The GSC7800TD includes additional pneumatic features, specifically a pneumatic presser foot lift and pneumatic reverse sewing, to increase productivity.
It is highly recommended for FIBC/Jumbo bags, lifting belts, safety products, safety belts, tents, and heavy-duty suitcases.
It ensures that the upper and lower layers of thick fabric do not move independently, resulting in a precise, beautiful stitch and reducing the need for manual repositioning.
The LS7800 uses DDx3 27# needles and employs a manual lubrication system to maintain optimal performance of the moving parts.



