For heavier work, the most common type of sewing mnachine is the single needle, walking foot lockstitch machine. Top and bottom feed, and a higher foot lift allows it to sew from medium to heavy weight fabric.
For sewing leather, upholstery, canvas, and synthetics, the 4000SW offers the whole package. Low noise and vibration design, outstanding build quality and reliability. This machine will take 1-2 weeks to receive.
Click below for more information about these machines.