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**Key Features:**
This model is considered the top-tier choice in FOXSEW’s range of heavy-duty compound feed lockstitch sewing machines. It uses a vertical rotating hook and a sliding lever thread take-up system. The machine offers both single-needle and double-needle configurations, ensuring flexibility for various sewing needs.
It features synchronized feeding of the needle bar and feed dog, which enhances accuracy and efficiency during operation. The overall performance is robust, with a smooth drive train, low noise levels, and a spacious work area. A clutch device is installed to protect the rotating hook from overloading, ensuring both product and machine safety.
The machine includes a pedal-type reverse-feed system, a push-button needle-distance adjustment mechanism, a concealed bobbin winder, and an automatic lubrication rotary horizontal hook. These features reduce the need for frequent baseline changes when working with thick seams. It is particularly well-suited for sewing heavy materials like leather, artificial leather, canvas, nylon, synthetic fibers, and rubber.
**Specifications:**
| **Model** | FX-221-76 | FX-221-75 |
|------------------|---------------------|---------------------|
| Number of Needles | 2 | 1 |
| Max. Sewing Speed | 1200 r.p.m | 1200 r.p.m |
| Stitch Length | 0–10 mm | 0–10 mm |
| Needle Bar Stroke | 46.8 mm | 46.8 mm |
| Presser Foot Lift | Hand: 12 mm / Knee: 21.5 mm | Hand: 12 mm / Knee: 21.5 mm |
| Needle Type | DD*1 21# 28# | DD*1 21# 28# |
| Rotating Hook | Horizontal Fall Rotation – Extra Large Rotary Hook | Horizontal Fall Rotation – Extra Large Rotary Hook |
| Presser Foot Alternation | 6–19 mm | 6–19 mm |
| Lubrication | Manual | Manual |
| Scale | Sliding Lever Type | Sliding Lever Type |
| Needle Gauge | 6.35 – 60 mm | 6.35 – 60 mm |
| Operating Space | 762 x 160 mm | 762 x 160 mm |
| Motor | 750W Servo Motor | 750W Servo Motor |
Whether you're working in the automotive, marine, or industrial sector, the FOXSEW FX-221-76 and FX-221-75 are reliable choices for handling tough materials and complex stitching tasks.
**Product Details:**
Model No.: FX-221-76
Minimum Order: 1 Set
Shipping Options: Sea, Air
Brand: FOXSEW
Packaging: Cartons
Specification: CE Certified
Origin: Zhejiang, China
HS Code: 8452
**Product Description:**
The FOXSEW FX-221-76 is a high-performance, extra-heavy-duty lockstitch sewing machine designed for use with thick and durable materials. It features a double needle system, triple feed mechanism, and a walking foot that ensures smooth and even stitching on heavy fabrics such as leather, upholstery, canvas, vinyl, synthetic leather, laminated materials, and rubber. This model is ideal for sewing boat sails, tents, parachutes, leather sofas, and other large-scale industrial applications.
The FX-221-75, a single-needle version of the same series, is also available and suitable for similar tasks, including stitching tents, tarps, awnings, truck covers, marine and furniture upholstery, and more.
**Applications Include:**
Tents, boat sails, parachutes, straps, furniture upholstery, leather, sofa, car seats, cushions, airbags, container bags, wide textile lifting slings, cargo lashing straps, safety belts, harnesses, sails, awnings, canopies, military parachutes, crane slings, spray hoods, carpets, luggage, industrial safety products, construction barriers, field covers, divider curtains, and protective clothing.
**Working Video:**
[Watch the working video here](www.foxsew.com/company-video/long-arm-double-needle-walking-foot-leather-upholstery-sewing-machine-550.html)