The JACK® W4S UT 01GB is a 3-needle flatbed coverstitch machine designed for industrial hem finishing, top-and-bottom covering stitches, and flat-seam construction on lightweight apparel and activewear. Featuring an automatic thread trimmer, direct drive servo motor, auto presser foot lifter, and an integrated mechanics-and-electronics design, it delivers arch-free stitching across light to heavy fabrics — supplied complete with table and stand. What's Included JACK W4S UT 01GB 3-needle flatbed coverstitch machine head Heavy-duty industrial sewing table Industrial stand with motor mount 550W direct drive servo motor LED work lamp Standard accessories kit (needles, loopers, tools) Instruction manual Key Features 3-needle flatbed coverstitch — top-and-bottom covering stitches and bottom hem finishing on garments and activewear Automatic thread trimmer — upper and lower thread trimming for faster cycle times and cleaner starts Auto presser foot lifter — hands-free foot lift for efficient fabric positioning Differential feed — prevents arching on stretch, knit, and Lycra fabrics Integrated mechanics-and-electronics design — streamlined construction for reliable high-speed operation Direct drive servo motor — belt-free, quiet operation with precise speed control Max sewing speed 4,000 SPM — efficient output for production environments Ideal For Hem finishing on T-shirts, sportswear, and knitwear Top-and-bottom covering stitch seaming on activewear and stretch fabrics Flat-seam construction on lightweight and medium-weight garments Industrial production of underwear, swimwear, and performance apparel Specifications Specification Detail Machine Type Industrial 3-Needle Flatbed Coverstitch Needle System UY128GAS, sizes #9S–#14S (standard #10S) Needles 3 Motor 550W Direct Drive Servo Motor Drive Type Direct Drive Max Speed 4,000 SPM Feed Type Drop Feed with Differential Construction Flatbed Machine Head Weight 46 kg (100 lbs)