The Brother ST4031HDH includes a high-durability blade made from carbon steel that can cut a smooth, clean edge though multiple fabrics without hassle. The strong interior metal frame helps ensure your serger remains stable on your work surface, even at very high speeds.

Get professional results on everything from heavy duty fabrics to lightweight knits with the Strong & Tough Serger from Brother. The extra hard, high durability metal blade is manufactured of carbon steel that can cut evenly and smoothly, even through multiple layers of denim. The heavy duty metal frame provides stability while serging at high speeds, and durability for many years of extended use. The ST4031HD gives you the creative freedom to serge layers of denim, difficult knits and other tough projects with ease.

Main Features:

  • Reliable, high performance 2, 3 or 4 thread serger tackles heavy duty projects such as multiple layers of denim with ease
  • High durability blade Made from extra hard metal produces a smoother cut edge, for a more Professional finish
  • Heavy duty metal frame interior and metal thread antenna for enhanced durability
  • Large extension table helps prevent heavy fabric from pulling the needle and thread, for better finishing
  • Includes standard foot, blind stitch foot and gathering foot for a wide range of uses such as finishing seams, Serging decorative edges, and creating Gathers on knits and woven fabrics

    The ST4031HDH is the perfect model to round out the Pacesetter by Brother line-up. It is affordable, easy-to-use and easy to thread! The free arm makes it easy simple to sew sleeves, trouser legs and other hard to reach places. The included wide table with the brightly lit LED workspace allows you to see the smallest of details as you serge your larger projects.


    The full Review by Tom Hintz has more photos and details.

    Videos on Brother PS3734T same as ST4031HDH Serger

    The Finishing Touch:
    Rounding out the lineup is the ST4031HDH Serger. Brother has included the perfect tools with this machine that include a wide table for larger projects and a brightly lit LED work space that allows users to see even the smallest details as they serge their projects. They can choose from a 3 or 4 thread option and two needles with a 3/4 setting with differential speed. Brother made it even easier to sew sleeves and trouser legs by designing the PS3734 with a free arm for those hard-to-reach places. Sewers will enjoy additional features on this serger

  • Up to 1,300 stitches per minute LED lighting
  • 3/4 thread (1 or 2 needles)
  • Color coded thread guides which allows for easy upper and lower looper threading and quick thread changes with all thread types
  • Stitch length 1.0mm to 4.0mm
  • Differential feed ratio 0.7mm to 2.0mm
  • Stitch width 5.0mm to 7.0mm
  • Dual-use removable trim trap
  • Presser foot pressure adjustment
  • Wide table and specialty feet* included

    Main Features:

  • Included Wide Table Serge away with ease, even on your large projects, with the included wide table.
  • LED Lighting The brightly lit LED area allows you to see the smallest of details.
  • 3/4 Thread Setting (1 or 2 needles) With a variety of stitches, to choose from, your garments are sure to have that professional look.
  • Color-Coded Thread Guides Allows for easy upper and lower looper threading and quick thread changes with all types of thread.
  • Stitch Length: 1.0mm to 4.0mm Easily adjust the stitch width dial to suit any type of project.
  • Differential Feed Ratio: 0.7mm to 2.0mm Improves stitch quality on all types of fabrics and keeps materials from puckering as you work.
  • Stitch Width: 5.0mm to 7.0mm Adjustable stitch width is perfect for working on lightweight fabrics.
  • Up to 1,300 Stitches Per Minute Effortlessly finish all your projects on time with industrial-strength speed.
  • Dual Use Removable Trim Trap Collects fabric as the adjustable serger knife trims and serges. It also doubles as storage for the foot controller.
  • Presser Foot Pressure Adjustment Change settings to accommodate varying fabric thickness.
  • Specialty Feet Included Blind stitch foot and gathering foot.
  • US Warranty 25 years head, 5 years electronics, 1 years labor
  • Non-US Warranty: 30 days parts and labor
Specifications
Operation Manual for Brother ST4031HDH, PS3734T Serger

Brother Optional Accessories

Basic Features:
Adjustable Presser Foot Pressure Yes
Included Accessory Feet Standard Foot, Gathering Foot, Blindstich Foot
Lighting Type LED
Number of Presser Feet 3
Specialty Feet Included Yes
Thread Tension Manual
Wide Table Included Yes
Needle Threading System No

Sewing Features:
Maximum Sewing Speed (Stitches Per Minute) 1,300
Feed Dog Differential Feed
Built-in Sewing Stitches (Includes Buttonhole Styles) 3/4 thread overlocks, blind hem, rolled hem
Stitch Width 5.0 - 7.00 mm
Stitch Length 1.0mm - 4.0mm
Presser Foot Pressure Adjustment Yes
Specialty Feet Included Yes (Additonal specialty feet may be avaiable. See optional accessories)

Carton Contents:
Accessory Storage Yes
Included Accessory Feet: *Standard foot, blind stitch foot & gathering foot*
Other Included Accessories Soft cover, Accessory bag with trim trap, Spool nets (4), Spool caps (4), Needle set, Cleaning brush, Hexagonal driver, Tweezers, and operation manual

Other:
Warranty 1/3/25 year serger warranty. See serger warranty for details
Machine Dimensions (H x W x D) 11.1" x 13.2" x 11.6"
Machine Weight 12.6 lbs
Shipping Weight 17.6 lbs

Serger Features back to top
Overlock Seam Width 3.0 - 7.0
Double Chain Stitch NO
Cover Stitch No
2/3/4 Thread Change Yes
Differential Feed 0.7 - 2.0mm
Change for Rolled Hemming Removable
Underlooper Threader Yes
Stitch Fingers 1
Knife Drive Type Lower Drive

Change for Rolled Hemming Yes
Differential Feed Yes
Knife Driver Type Lower Drive
Maximum Sewing Speed (Stitches Per Minute) 1300
Number of Needles 2
Overlock Seam Width 3.0 - 7.0mm
Stitch Fingers 1
Stitch Length 1.0 - 4.0mm
Stitch Width 5.0 - 7.0mm
Underlooper Threader Yes

Plus Warranty Certificate

Brother Pacesetter Brochure(.PDF)

Brother ST4031HDH Pacesetter ST4031HDH PS3734 Specs Sheet(.PDF)


Dimensions:
Carton Dimensions (W" x D" x H") 13.0" x 16.9" x 14.5"
Carton Weight (lbs) 17.2
Unit Dimensions (W" x D" x H") 13.2" x 11.1" x 11.7"
Unit Weight (lbs) 12.6

Warranty Statement
Included Accessories
Carton Contents‡ Mini color threads (4 pieces), additional accessories included in box
Carton Contents:
Accessory Storage Yes
Included Accessory Feet: *Standard foot, blind stitch foot & gathering foot*
Other Included Accessories Soft cover, Accessory bag with trim trap, Spool nets (4), Spool caps (4), Needle set, Cleaning brush, Hexagonal driver, Tweezers and operation manual. No DVD

Warranty 1/5/25 Year Limited Serger Warranty
Other Images

icon Get professional results on everything from heavy duty fabrics to lightweight knits The Strong & Tough high durability blade is manufactured of carbon steel that can cut evenly and smoothly, even through multiple layers of denim The heavy duty metal frame provides stability while serging at high speeds, and durability for many years of extended use The ST4031HD gives you the creative freedom to tackle layers of denim, difficult knits and other tough projects with ease

icon Heavy duty metal frame The strong interior metal frame helps ensure your serger remains stable on your work surface, even at very high speeds. This heavy duty frame is built for durability and longevity, for many years of extended use.

icon High durability blade The Strong & Tough blade is manufactured of strong, durable carbon steel, and can cut a smooth, clean edge through heavy fabrics.

icon Metal thread stand The Strong & Tough Serger thread stand is made of solid metal, for enhanced durability and longevity. The thread stand helps ensure that the thread feeds up and off your thread spools correctly.

icon Tackle heavy fabrics Serge with confidence on multiple layers of denim, layered knits and heavy duty fabrics. Professionally cut and finish in one easy step on a wide range of projects.

icon 3 or 4 thread capabilities This serger works with either 3 or 4 threads, for added flexibility. For example, you might use 4 threads with 2 needles for a strong overlock seam on high use items, and 3 threads with 1 needle for overlock stitching on knits, suits, blouses or slacks.

icon Up to 1,300 stitches per minute Get more serging done, faster, with the ability to sew up to 1,300 stitches per minute. Simply using less pressure on the foot controller allows you to sew slower, to suit your comfort level and project.

icon Wide extension table The wide, detachable table keeps heavy fabrics on a level surface with the needle, helping to prevent excess pulling on the needle and thread, for better finishing.

icon Color-coded threading guides The color-coded guides printed on the machine show you exactly where to place each thread, for trouble-free threading. No need to pull out the manual when you want to thread your machine!

icon Removable trim trap The trim trap collects the fabric trim as the serger knife trims your project, and can be easily detached from the serger. Also, the trim trap can conviently store your foot controller when not in use.

icon Differential feed ratio 0.7 to 2.0 The differential feed controls the movement of the feed dogs that move the fabric through the machine. The ability to adjust the feed dogs helps provide smooth, even stitching and versatility. With a turn of the this dial, you can help prevent puckers in lightweight fabrics, create gathers, or create decorative lettuce edges.

icon Convenient stitch width control Simply turn the stitch width adjustment dial to change your stitch width between 5.0mm (3/16 inch) and 7.0mm (9/32 inch). Adjusting the stitch width allows you to create serged seam finishes that lie flat, especially on lightweight fabrics.

icon ST4031HD Strong & Tough Serger Wide table 3 Feet: Standard foot (on machine), Blind stitch foot, Gathering foot 4-Piece Needle set: One 130/705 needle, one 80/12 needle, two 90/14 needles 4 Mini thread spools (in 4 colors) 4 Spool caps 4 Thread nets Trim trap Tools: Hexagonal wrench, tweezers, cleaning brush Foot controller Dust cover *Instructional DVD No Longer Included because of more up to date videos online.

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