There is nothing fancy about this machine, no needle positioner, no automatic thread cutter, no foot pivoting, just a plain Jane straight stitch sewing machine. The machine inherits the desirable features, such as high-speed stitching performance 4000rpm, extreme stitching performance, ease of operation, and reliability, from the highly evaluated previous JUKI lock stitch machines; Sewing mechanism that demonstrates outstanding responsiveness to … The Juki DDL-8700 can handle a wide range of light to medium duty fabrics. Improved maintainability is guaranteed on the upgraded machine head. Materials that the Juki DDL-8700 can handle. sewing speed 5,500sti/min 4,000sti/min 4,000sti/min: Max. This machine is not suitable for use with heavy fabrics such as canvas and leather. stitch length Features of the Juki DDL-8700-H Sewing Machine. The 8700 is Juki's standard straight stitch sewing machine. It can hem blue jeans and put zippers into heavy leather jackets. The JUKI DDL-8700's low tension sewing mechanism flexibly responds to a wide variety of fabrics and produces a beautiful seam with uniform quality. However, many sewers have had no problem while sewing leather, vinyl, upholstery fabric, and other heavier materials with this machine. In order to understand whether the Juki DDL-8700-H Industrial Straight Stitch Sewing Machine is the right one for you to turn to, it is important that you have a look at the main distinguishing features of this sewing machine. The 8700 is designed for garment construction and alteration. Model DDL-8700 DDL-8700A DDL-8700H; Application: Medium-weight Light-weight Heavy-weight: Max.