Simplicity SB3734T Limited Edition 3/4 Thread Serger

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Simplicity SB4138 Computerized Sewing And Quilting Machine.

Simplicity SB4138 StitchingSimplicity SB4138 Needle AreaSimplicity SB4138 Long Bed

This Simplicity® Limited Edition machine offers advanced computerized sewing and quilting with 7 feed dogs for outstanding performance in both sewing and quilting.

Transform garments into runway ready looks with 138 built-in sewing stitches, including 10 styles of one-step auto-size buttonholes. Use the My Custom Stitch™ feature to create personalized stitches that you can save for later use.

Sideways sewing and the digital stitch length and width control makes it easy to sew fabric at the precise point you need a stitch. Easy to use and easy to learn, this machine is sure to take your passion for sewing and quilting to the next level.

  • 138 built-in sewing stitches, including 10 styles of one-step auto-size buttonholes.
  • 3 sewing fonts with lowercase.
  • Easy stitch selection via 10 digit pad.
  • My Custom Stitch™ feature with memory pockets for saving stitches.
  • Automatic upper thread tension.
  • Advanced needle threading system.
  • Wide table and quilting accessories included.
  • Easy to read large LCD screen display.
  • Sideways sewing.
  • Drop feed for free-motion sewing and quilting.

Simplicity SB4138 Specifications.

Basic Features.
  • LCD Size (Horizontal x Vertical) inches: 2.0 x 0.7.
  • Stitch Select: 10 Key.
  • Screensaver: No.
  • On-Screen Help: No.
  • Built-in Languages: No.
  • On-Screen Editing: No.
  • Lighting: 2 LEDs.
  • Needle Threading System: Advanced.
  • Independent Bobbin Winding Motor: Yes.
  • Thread Sensor: No.
  • Thread Sensor On/Off: No.
  • Automated Upper and Lower Thread Cutting: Yes.
  • Quick-Set™ Bobbin: Yes.
  • USB: No.
  • Computer Connectivity with Update Capability: No.
  • Memory Card: No.
  • Cable: N/A.

Carton Contents.

  • Accessory Storage: Built-in.
  • Included Accessory Feet: Buttonhole foot, Overcasting foot, Monogramming foot, Zipper foot, Zigzag foot, Blindstitch foot, Button fitting foot, Walking foot, Quilting foot, Stitch guide foot, Adjustable zipper/piping foot, Non-stick foot, Open toe foot, 1/4 Inch Quilting foot, Sidecutter, Quilting Guide.
  • Other Included Accessories: Knee lifter, accessory bag with seam ripper, bobbins (4), needle set, twin needle, cleaning brush, eyelet punch, screwdrivers (3), spool caps (3), extra spool pin, spool net, grid sheet set, stitch reference plate, operation manual.

Sewing Features.

  • Work Space (Height & Width) inches: 4.1 x 7.4.
  • Maximum Sewing Speed (Stitches Per Minute): 850.
  • Knee Lifter: Yes.
  • Feed Dog: 7.
  • Back to Beginning Key: No.
  • Built-in Sewing Stitches (Includes Buttonhole Styles): 138.
  • Buttonhole Styles: 10 One-step.
  • Built-in Sewing Lettering Fonts: 3.
  • Stitch Width: 7mm.
  • Stitch Length: 5mm.
  • My Custom Stitch™ Feature: Yes.
  • Sideways Sewing: Yes.
  • Start/Stop Button: Yes.
  • Speed Control: Yes.
  • Needle Position Key (Up/Down): Yes.
  • Automatic Height Adjuster™ AHA® Feature: No.
  • Presser Foot Pressure Adjustment: Yes.
  • Presser Foot Leveling: Yes.
  • Pivot Function: No.
  • Drop Feed/Free Motion: Yes.
  • Free Motion Quilting Foot: Optional (additional purchase required).
  • Built-in Quilting Stitches: No.
  • Included Quilting Feet: Yes.
  • Specialty Feet Included: Yes.


  • Machine Dimensions (H x W x D): 7.87 inches x 11.42 inches x 17.32 inches.
  • Machine Weight: 16.98 lbs.
  • Shipping Dimensions (H x W x D): 12.84 inches x 15.91 inches x 21.46 inches.
  • Shipping Weight: 18.5 lbs.
  • UL/CSA Listed: Yes, 110v.


Simplicity SB4138 Information.

SB4138 Brochure.

SB4138 Web Page.

Simplicity Full Line Brochure.

Brother Plus Warranty.