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Brother SB4138

Ranked #25 of 90 in Best Sewing Machines (2026). Here is every spec we scored, where it came from, and how it compares.

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#25

Brother SB4138

Best for: 138 official built-in stitches, 850 official SPM, 10 official buttonhole styles, 7.4" official sewing space

3.1/10

What we like

  • Official table lists 138 built-in stitches
  • Official table lists 10 buttonhole styles

Watch out for

    Score breakdown

    Official built-in stitches 30%
    Official maximum sewing speed 25%
    Official buttonhole styles 20%
    Official sewing space 25%
    Official built-in stitches138 stitches
    Official maximum sewing speed850 SPM
    Official buttonhole styles10 styles
    Official sewing space7.4 in
    Official sewing space (specification table)4.1" x 7.4"
    Official machine weight16.98 lb
    Official needle threaderAdvanced
    Official thread cutterNo
    Official unit dimensions7.87" x 11.42" x 17.32"
    Official displayLCD
    Official lightingLED
    Official included accessory feetButtonhole Foot , Overcasting Foot , Monogramming Foot , Zipper Foot , Zigzag Foot , Blindstich Foot , Button Fitting Foot , Walking Foot , Quilting Foot , Stitch Guide Foot , Adjustable Zipper/Piping Foot , Non-Stick Foot , Open Toe Foot , 1/4" Foot , Quilt Guide
    Official sewing lettering fonts3
    Official drop feedManual
    Official warranty wording1/3/25 Year Plus Limited Warranty
    Source noteOfficial work-space field lists 4.1" x 7.4"; we score the larger official dimension as sewing space to the right of the needle.
    PriceCheck price
    Check price at Amazon
    Specs source:

    How it compares

    Open the full comparison table

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    #10 · 561 official built-in stitches, 1,050 official SPM, 14 official buttonhole styles
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    #15 · 287 official built-in stitches, 1,050 official SPM, 16 official buttonhole styles
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    #18 · 290 official built-in stitches, 850 official SPM, 10 official buttonhole styles, 8.3" official sewing space
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    #20 · 240 official built-in stitches, 850 official SPM, 10 official buttonhole styles, 8.3" official sewing space
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    #22 · 157 official built-in stitches, 900 official SPM, 16 official buttonhole styles
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    #27 · 129 official built-in stitches, 850 official SPM, 10 official buttonhole styles, 7.4" official sewing space
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    #28 · 180 official built-in stitches, 850 official SPM, 10 official buttonhole styles
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    #30 · up to 1,000 official SPM, 9 official buttonhole styles, 6.4" official sewing space
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    #31 · 205 official built-in stitches, 850 official SPM, 8 official buttonhole styles
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    #34 · 185 official built-in stitches, 850 official SPM, 8 official buttonhole styles
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    #36 · 180 official built-in stitches, 900 official SPM, 7 official buttonhole styles
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    #37 · 200 official built-in stitches, 8 official buttonhole styles, 6.4" official sewing space
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    #38 · 200 official built-in stitches, 8 official buttonhole styles, 6.4" official sewing space
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    #45 · 130 official built-in stitches, 850 official SPM, 8 official buttonhole styles
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    #46 · 130 official built-in stitches, 850 official SPM, 8 official buttonhole styles
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    #47 · 130 official built-in stitches, 850 official SPM, 8 official buttonhole styles
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    2.1/10
    #49 · 50 official built-in stitches, 850 official SPM, 5 official buttonhole styles, 7.4" official sewing space
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    #50 · 90 official built-in stitches, 850 official SPM, 8 official buttonhole styles
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    #52 · 100 official built-in stitches, 850 official SPM, 8 official buttonhole styles
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    #54 · 200 official built-in stitches, 6 official buttonhole styles, 6.3" official sewing space
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    #55 · 80 official built-in stitches, 850 official SPM, 8 official buttonhole styles
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    #56 · 100 official built-in stitches, 850 official SPM, 7 official buttonhole styles
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    #57 · 100 official built-in stitches, 850 official SPM, 7 official buttonhole styles
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    #61 · 70 official built-in stitches, 850 official SPM, 7 official buttonhole styles
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    #62 · 70 official built-in stitches, 850 official SPM, 7 official buttonhole styles
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    #63 · 70 official built-in stitches, 850 official SPM, 7 official buttonhole styles
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    #64 · 70 official built-in stitches, 850 official SPM, 7 official buttonhole styles
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    #72 · 80 official built-in stitches, 750 official SPM, 8 official buttonhole styles
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    #73 · 100 official built-in stitches, 6 official buttonhole styles, 6.5" official sewing space
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    1.6/10
    #74 · 70 official built-in stitches, 750 official SPM, 7 official buttonhole styles
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    #75 · 100 official built-in stitches, 7 official buttonhole styles, 5.5" official sewing space
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    1.5/10
    #76 · 60 official built-in stitches, 750 official SPM, 7 official buttonhole styles
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    1.5/10
    #77 · 60 official built-in stitches, 750 official SPM, 7 official buttonhole styles
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    1.5/10
    #78 · 60 official built-in stitches, 750 official SPM, 7 official buttonhole styles
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    1.5/10
    #79 · 60 official built-in stitches, 850 official SPM, 5 official buttonhole styles
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    #80 · 50 official built-in stitches, 850 official SPM, 5 official buttonhole styles
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    1.5/10
    #81 · 80 official built-in stitches, 800 official SPM, 5 official buttonhole styles
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    1.5/10
    #82 · 60 official built-in stitches, 800 official SPM, 6 official buttonhole styles
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    #83 · 40 official built-in stitches, 900 official SPM, 6.8" official sewing space
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    1.1/10
    #84 · 100 official built-in stitches, 800 official SPM, 5.7" official sewing space
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    1.0/10
    #85 · 70 official built-in stitches, 800 official SPM, 5.71" official sewing space
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    0.9/10
    #86 · 37 official built-in stitches, 850 official SPM, 1 official buttonhole styles
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    0.8/10
    #87 · 53 official built-in stitches, 800 official SPM, 1 official buttonhole styles
    Brother ST531HD
    0.8/10
    #88 · 53 official built-in stitches, 800 official SPM, 1 official buttonhole styles
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    0.8/10
    #89 · 37 official built-in stitches, 800 official SPM, 1 official buttonhole styles
    Brother XR3774
    0.8/10
    #90 · 37 official built-in stitches, 800 official SPM, 1 official buttonhole styles