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White Brother ST4031HD serger with metal frame and extension table

Brother

Brother ST4031HD 3-4 Thread Serger 1300 SPM 120V

SKU CH-Q6YH-N1DRA MPN ST4031HD

A heavy-duty 3-4 thread serger with a metal frame and carbon-steel blade, reaching 1,300 stitches per minute on 120 V

  • TypeHome Embroidery & Sewing
  • Metal frame delivers stability for heavy fabrics
  • Carbon-steel blade cuts cleanly through multiple denim layers
  • 1300 stitches per minute speeds up large projects
  • Colour-coded guides and numbered loopers simplify threading
  • Three accessory feet plus extension table expand project options

Heavy-Duty Serger for Demanding Fabrics

The Brother ST4031HD is a 3-4 thread serger built with a sturdy metal frame for stability during heavy-duty projects. It handles layers of denim and difficult knits with an industrial-grade carbon steel blade. The machine operates at a maximum speed of 1,300 stitches per minute. It is designed for 120V use in the US.

Thermals Noise and Power Draw

As a mechanical sewing appliance, the ST4031HD does not produce thermal output or acoustic profiles comparable to computing components. Power consumption is determined by the 120V electrical specification for the US market. Normal use involves standard household current draw for a motor of this class. No active cooling systems or decibel ratings are specified by the manufacturer.

Included Feet and Extension Table

The package includes three accessory feet: standard, blind stitch, and gathering feet for varied seam finishes. A large extension table is also bundled to support bigger projects during serging. Color-coded thread guides and numbered loopers simplify the threading process. No software or digital accessories are included with this mechanical model.

Highlights

  • Metal frame delivers stability for heavy fabrics
  • Carbon-steel blade cuts cleanly through multiple denim layers
  • 1300 stitches per minute speeds up large projects
  • Colour-coded guides and numbered loopers simplify threading
  • Three accessory feet plus extension table expand project options

Specifications

BrandBrother Sewing
TypeHome Embroidery & Sewing
Shipping weight8.17 kg
Package size432 × 381 × 356 mm

Questions about this item

How do I thread the Brother ST4031HD correctly, and what step do people often miss?

Follow the color-coded guides in order, then thread the numbered upper and lower loopers exactly as marked; the step most often missed is the lower looper because its path is less visible.

Which part of the Brother ST4031HD will need replacement first with regular use?

The high-durability carbon-steel blade will dull before the metal frame or loopers wear, so plan to replace the blade when cut edges start to fray.

What limits continuous serging on the Brother ST4031HD at 1300 SPM?

Extended runs at maximum speed generate heat in the blade and motor area; the metal frame helps dissipate it, but the thermal limit of the motor is the first constraint you will hit.

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