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JUKI® MO-644D Home Serger Sewing Machine
Overlock • Differential Feed • 2/3/4 Threads
The JUKI MO-644D is a durable and easy-to-use home overlock serger designed for beginners and experienced sewists alike. Part of the trusted Juki MO-600 series, this machine delivers professional-quality overlock finishes for sportswear, casual garments, and even elegant projects. Featuring 2 needles with 2/3/4 thread capability, built-in rolled hemming, and differential feed, the MO-644D offers outstanding stitch quality at an affordable price.
Key Features
- 2-needle, 2/3/4 thread overlock stitching
- Built-in rolled hemming (Flip & Roll system)
- Differential feed for smooth seams or decorative effects
- Color-coded threading guides for easy setup
- 1-rotation thread tension dials for quick adjustment
- Heavy-duty upper and lower knife system
- Multi-function presser foot for tape, elastic, ribbon, and sequins
- Snap-on presser feet compatibility
- Built-in seam guide for precise seam allowances
- Bright LED lighting for improved visibility
- Easy cutting width and stitch length adjustments
Applications
Ideal for garment construction, knitwear, sportswear, rolled hems, decorative edges, and specialty overlock techniques. The differential feed allows you to prevent fabric stretching or intentionally create effects such as lettuce edges.
Technical Specifications
| Stitch Type | Overlock |
| Threads | 2 / 3 / 4 Threads |
| Needles | Household #11 – #14 |
| Maximum Speed | 1,500 stitches per minute (SPM) |
| Maximum Stitch Length | 4 mm |
| Differential Feed | Yes |
| Presser Foot Lift | Standard |
| Dimensions (W x H x D) | 10.6” x 13.5” x 11.5” |
| Weight | 15 lbs |
Included Accessories
- Standard presser foot (A15016340B0)
- Foot control & power cord
- Needle pack
- Screwdriver
- Looper threader
- Thread nets & spool caps
- Brush & needle inserter
- Oiler
- Tweezers
- Vinyl cover
- Accessory pouch
- Instruction manual
Commercial Summary: The JUKI MO-644D is a dependable and versatile overlock serger that combines professional stitch quality with ease of use. With built-in rolled hemming, differential feed, and a wide range of creative options, it is the perfect choice for home sewists seeking durable performance and beautiful finishes.