The machines used for stitching and sewing up products like automobile seat covers, boat upholstery, furniture covers as well as luggage bags, mass scale leather apparel and more are classified as heavy duty leather sewing machines and are some times referred to as industrial leather sewing machines.

Most heavy duty sewing machines feature a compound needle feed as well as upper alternating presser feet which combine to form what are known as walking feet machines. These include machines that can perform work on leathers used for making safety harnesses, truck canvases and covering as well as lifting slings.

Heavy duty leather sewing machines come standard with wide tables and a heavy duty motor. The following are the most commonly used heavy duty leather sewing machines along with their specifications, unique features, as well as other materials they are capable of:

The Adler Model 367

  • Single needle as well as compound needle feed.
  • Lockstitch.
  • The walking foot is standard.
  • Reverse Mechanism technology.

Materials besides leather that this machine can use:

  • Vinyl.
  • Upholstery.
  • Synthetics.
  • Canvas.
  • Various coated and layered materials.

This machine also boasts of the following features unique to its range:

  • The compound needle feed and walking foot mechanism ensures even feeding of materials.
  • Highest clearance under the foot available in this class, measuring in at about 20 mm which is about 3/4 ths of an inch.
  • Large horizontal hook which a side loading mechanism.
  • Longer stitch length of about 8 mm maximum on the standard model.
  • Reverse sewing action.

The Consew Model 206RB

  • Single needle along with compound needle feed.
  • Lockstitch.
  • Walking foot.
  • Reverse mechanism.

For use with medium to heavy materials of the likes of leather, vinyl, upholstery, synthetics, various canvases as well as coated and layered materials of most kinds.

This machine has the following unique features:

  • The compound needle feed and walking foot mechanism ensures even feeding of materials.
  • Large “M” class bobbin, allowing this machine to spool some of the thickest threads best suited for heavy duty leather work like sewing saddles and the like.
  • High presser foot lift with adjustable pressure sensitivity.
  • Reverse sewing capability is standard.
  • The gear driven hook on this machine allows it to sew faster and with more accuracy than any other machine in its class.
  • Safety clutch and thread release finger.

The SunStar Model KM-560

This amazing sewing machine is one of the most versatile in its class and the following feature set espouses the fact:

  • Single needle with unison blend feed, considered by some to be superior than the traditional needle feed.
  • Lockstitch
  • Walking foot comes standard on all models allowing you to sew multiple layers of leathers and fabrics without worrying about the layers moving while you sew them.

This heavy duty leather sewer’s features are best suited for work with medium to heavy materials as well as layered fabrics and materials of the likes of:

  • Canvas
  • Vinyl
  • Leathers and suede of different kinds as well as thickness.

This machine is best suited for stitching applications in interior decor, auto upholstery, leather furniture as well as leather luggage and briefcases. In addition to the fore mentioned commercial products this machine is also used for working on tents, tarps as well as camping shoes and leather jackets.

Additional unique features that his amazing heavy duty leather sewing machine offers over its competitors are:

  • Its availability with an automatic thread trimmer accessory that goes by the product code KM-560-7.
  • Unison Feed adjusting the needle, feed dog, and presser feet for a perfect and even stitch quality.
  • Large hook capacity.
  • Reverse feed.
  • Automatic (pump based) lubrication.
  • Easily adjustable presser foot walking height.