4100 – Heavy Leather Industrial Sewing Machine

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  • Needle sizes: 18 to 27
  • Thread sizes: 69 to 415
  • Presser foot clearance: 1″
  • Sewing capacity: 6oz to 7/8″ thick
  • Cylinder bed length: 9″
  • Maximum stitch length: 11mm
  • Techsew SmartServo motor: 800W, 1 HP, 110V, 300 to 1800RPM, 16 speed settings with bright LED display, completely silent when idle and reduced noise during operation.


The Techsew 4100 leather stitcher is the ultimate sewing machine designed for a wide range of leather projects. It is great for sewing tie down straps, boat/car covers, orthopaedics, thick paper binding, parachute harnesses, tarps, vinyl, canvas, synthetics, heavy webbing and more.

The 4100 is equipped with the Techsew SmartServo motor, which features 800W, 1 HP and 16 different speed settings up to 1800RPM. The SmartServo motor allows the user to sew stitch by stitch if desired while still maintaining enough power and torque to sew through thick materials up to 7/8″.