7243 Extra heavy duty compound feed barrel-shuttle lockstitch machine
727 Twin needle triple feed with 2 barrel shuttle hook

This compound-feed machine is one of the most powerful machines for sewing heavy materials, interchangeable with Juki TNU-243.

Especially adapted to sew several sheets of heavy materials, such as safety belts, canopies, tents, covers, tarpaulins, lifting slings, saddle, harness, parachute webbings, backpacks, sleeping bags, seats, shoes, spray hood, handbags, equestrian clothing, nylon and polyester webbing products etc.

Other double needle lockstitch machines adopt vertical-axis large hook. With 727 the large barrel shuttle hook is easier to process extra heavy materials and very thick thread, such as leather, rubbers, etc.

7204 Extra heavy duty triple feed barrel-shuttle lockstitch machine
7204-30 Long arm version for large-size upholstery

This flat bed sewing machine is special designed for stitching extra heavy materials with thick thread.

Excellent stitch pattern and uniformly tight stitch formation, due to its heavy, extremely sturdy design and highly refined parts.

The machine has triple feeding system, stitch length up to 12 mm, with oversized barrel shuttle hook, suitable for sewing webbings, cargo slings, cargo lashing, nylon, tents, awnings, boat sails, safety belts, protective clothing, equestrian clothing, saddles, general leather goods, upholstery and technical textiles.

7204MC Double needle barrel-shuttle moccasin sewing machine
7204MD Two needle cam type heavy duty multi different ornamental stitching with shuttle hook

For sewing bead-seam moccasins in shoes making industry.
The strong construction and barrel-shuttle system guarantee high quality ornamental stitch, even sewing heavy materials, such as shoes, sofas, hats, bags, leather goods, etc.

The distance between two needles is adjustable from 5mm to 7.5mm. Roller presser foot is adjustable from back to front or left to right.

733 Extremely heavy walking foot sewing machine with extra large, long-beak oscillating shuttle hook and reverse

 It’s the modern versions of the Singer 7-33, interchangeable with Seiko SLH 2B-FH-1. The presser foot has an ultra high lift of up to 32 mm, allowing for a large range of extra heavy weight material or bulky items to be used.

For stitching extra heavy weight materials with extremely thick thread, such as cargo slings, safety slings, military webbing, parachute webbing, logging rope, buffing wheels, bulk bags, industrial bags, cargo lashing, harnesses, tarpaulins and covers, fabric structures, construction barriers, balloons, protective clothes and book binding.

7273 Extra heavy duty top and bottom feed leather sewing machine with large barrel shuttle hook
7273BV Super heavy duty upper and lower feed swing machine for 32mm thickness

The upper and lower feeding mechanism ensures even feeding of materials being sewn.

The sewing area is up to 420mm, offer good working conditions for large products.

For extra heavy-duty sewing such as heavy-weight leather, canvas and vinyl. For sewing sofa, parachute webbings, logging rope, cargo slings, lifting slings, Jumbo bags, buffing wheels, container bags, spray hood, leather harnesses, traveling bags, tents, seats, backpacks, safety belts, tatami etc.

Unrivalled price/performance ratio.

7157/7158 One or two needle, extra heavy, unison feed with large vertical axis hook

This machine is designed for upholstery and technical textiles industries, like canvas, vinyl, leather, synthetics and various coated, laminated and rubberized fabrics.

For sewing tents, tarps, canopies, awnings, truck covers, parachutes, auto, marine and furniture upholstery, sails, matting, safety slings, military webbing, cargo straps, spray hood, carpets, mops, luggage, construction barriers, field covers, divider curtains, protective clothes etc.

The effective puller system closely behind the sewing foot is available as option.

74400/74420 Single and double needle lockstitch flat bed sewing machine with unison feed
74400AU/74420AU With automatic thread trimmer, foot lifter and back-tacking

This class is designed to stitch upholstery type fabrics and leather. The special multi-function presser foot ensures high efficiency.

The purpose of a compound needle feed walking foot machine is to sew two or more layers of fabric or leather with an equal distant stitch length and to greatly reduce the chance of ply slippage. In North America, this is the most popular sewing system for automobile and furniture upholstery, such as car seats, sofas, bags, etc

This machine comes with excellent price/performance ration.

7767-373 Single needle triple feed lockstitch machine for medium-weight applications
7767-273 Double needle triple feed lockstitch machine for medium-weight applications

This is high speed heavy duty compound feed lockstitch machine originated from Durkopp Adler 767, with advanced features including: quick presser foot stroke adjustment and integrated second stitch length adjuster.

For use in many sections of the heavy duty industry including the manufacture & topstitching of high-end house hold upholstery, car upholstery, leather goods, filters, technical textiles, plastic & laminated products etc.

This class is a premium high specification model and includes features like: heavy duty sewing speeds up-to 3200 stitch per minute, longer 300mm under arm clearance, automatic thread trimmer, automatic seam back-tacking, automatic foot lifting device, digital stitch program box and easy to use under arm controls etc. 

740 Top and bottom feed lockstitch sewing machine with large hook
740AU Top and bottom feed sewing machine with automatic thread trimmer

The sewing arm (340*170 mm) is higher & longer than most standard machines: allowing additional sewing clearance for larger heavy items.

Ideal for stitching medium to heavy materials, such as jeans, travel bag, rucksack, artificial leather, canvas, vinyl, leather

7168 Single needle compound feed straight stitching machine

This is specially designed for use on medium/heavy weight fabrics and leather.

It features a large hook & base for increased lower bobbin thread capacity and Compound feeding by lower feed dog, needle bar and walking presser foot.

It is a general purpose needle feed, walking foot sewing machine for use on for example: bags, luggage, sofa cushions, horse blankets, canvas, backpacks, covers, plastic/rubber materials, general upholstery & leather work etc.

7318 Top and bottom feed lockstitch sewing machine

The flat-bed type industrial sewing machine is widely used on medium & medium-heavy weight materials

It features a top feed walking foot and bottom feed system, with an alternating foot lift mechanism that is suitable to sew medium & medium-heavy weight materials such as leather, synthetics, canvas, plastics, webbing, backpacks, upholstery, tarpaulin + heavier than normal standard fabrics.

7872 Twin needle, drop feed and needle feed lockstitch machine
7875 Split bar for convenient angle or corner stitching
7832-65/70 Twin needle, drop feed, needle feed and puller feed machine with fabric guides and binding folder, with large needle gauge of 65mm or 70mm for attaching curtain tape or any wide gauge applications
7842VP Four needle lockstitch sewing machine with drop feed, needle and puller feed, special for manufacturing of military parachute

It is suitable for jeans, shirts, uniforms, jackets or other clothing similar, as well as manufacturing of parachute for hoppy and army. It has good compatibility sewing material. And it feeds the material while needle and tooth prevented the transfer of the feed material, suitable for sewing decorative and sewing thread of double track high quality.

7842VP is 4-needle lockstitch sewing machine for stitching army parachutes. It can replace Seiko LSWN-46BLR and Singer 131W113

7132 Heavy duty, top feed lockstitch sewing machine with large horizontal axis hook
7132UL Heavy duty, top and bottom feed lockstitch sewing machine with reverse

For sewing heavy weight leather we well as canvas/technical textiles.
Suitable for sewing such products as harnesses, slings, covers, safety belts, tents, jeans, gloves, buffs, and heavy duty travel bags, Jumbo bags, cargo lashing, bulk container bags etc. It also can be binding sewing machine for heavy material, like carpet.

Piping Foot (Grooved Welt Foot) is available for inserting cording and piping when sewing upholstery or car seats and the like. Interchangeable with Seiko SK-2B.

In South of China, this model is the best sewing machine for jeans manufacturers.