The GA441 Extra Heavy Duty Cylinder Bed Sewing Machine is a professional-grade industrial solution engineered specifically for the most demanding leatherwork and saddlery applications. Featuring a sophisticated compound feed system—integrating presser foot, feed dog, and needle feeding—this machine ensures absolute precision and stability, preventing material shift even at varying stitch lengths for a flawless professional finish.
Designed to tackle extreme materials, the GA441 utilizes a high-capacity JUKI TSC-441 big shuttle hook, allowing it to handle exceptionally thick threads up to metric size 7 (1300D3). With multiple arm length configurations available—ranging from 9" to 38"—it provides the versatility needed for everything from intricate harness work to large-scale leather briefcases and industrial safety harnesses.
| Model | GA441 | Max. Sewing Speed | 800 r.p.m |
|---|---|---|---|
| Stitch Length | 0-11mm | Take-up Lever Stroke | 96mm |
| Needle Bar Stroke | 56mm | Presser Foot Lift | Handle: 13mm / Knee: 25mm |
| Bed Size (Dia) | 81mm | Shuttle Hook | KSP-204N |
| Needle Size | DY×3 27# | Motor Power | 550W 4P |
Triple-action feeding (Presser foot, feed dog, and needle) ensures zero layer movement for perfect stitch alignment.
Extra-large barrel shuttle hook increases bobbin capacity, significantly reducing downtime for bobbin changes.
Capable of sewing ultra-thick threads up to metric size 7 (V415, 1300dX3, or T-400) with ease.
25mm presser foot lift and 10mm alternation handle sharp changes in material thickness smoothly.
Available in 9", 16.5", 25", and 38" arm lengths to suit various product dimensions.
Heavy-duty construction built for continuous operation in saddlery and leather garment factories.
Optimized for heavy leather, webbing slings, and thick synthetic fabrics.
Adjustable stitch lengths from 0-11mm for versatile design requirements.
Reduced bobbin change frequency boosts daily output and operator productivity.
Compound feed ensures consistent stitch quality across multi-layered materials.
Ideal for saddles, harnesses, holsters, and safety equipment manufacturing.
Manual lubrication system designed for easy access and long-term reliability.
| Performance Metric | Standard Cylinder Machine | GA441 Heavy Duty |
|---|---|---|
| Material Thickness | Medium Leather | Extra Thick/Hard Leather |
| Thread Capability | Standard Nylon | Up to 1300D3 / Size 7 |
| Feeding Stability | Single/Double Feed | Triple Compound Feed |
| Bobbin Capacity | Standard Volume | Extra Big Barrel Volume |
| Production Speed | Frequent Bobbin Changes | High-Efficiency Continuous Flow |
The GA441 is specifically designed for extra thick and hard materials, making it ideal for saddlery, harnesses, leather belts, safety harnesses, and heavy-duty leather bags.
By combining presser foot, feed dog, and needle feeding, the machine prevents different layers of thick material from shifting, ensuring beautiful and consistent stitch performance.
Yes, we offer four options: GA441S (9"), GA441 (16.5"), GA441-L25 (25"), and GA441-L38 (38") to accommodate various product sizes.
The GA441 can handle extra thick threads up to metric size 7, including V415, 1300dX3, or T-400 specifications.
With a presser foot lift of up to 25mm and a 10mm alternation, the machine maintains a smooth sewing flow even when material thickness changes abruptly.
No, the adoption of a special extra-big Barrel Shuttle Hook increases bobbin capacity, reducing the frequency of changes and increasing overall efficiency.