The Brother SM3701 sewing machine is a popular choice for beginners and experienced sewers alike. It offers a variety of features such as 23 built-in stitches, a one-step buttonhole, and a built-in lint trap. Many users have praised its durability and ease of use. In terms of reviews, most customers have given it a positive rating, with some calling it a great investment for anyone looking to start sewing or upgrade their current machine. However, some have also mentioned that the instructions can be difficult to follow and that the machine can be a bit loud when in use.

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Versatile and User-Friendly for All Levels

Optimized for Convenience and Creativity

The Brother SM3701 sewing machine is engineered to cater to both novice and experienced sewers, offering a harmonious blend of user-friendly features and lightweight design. With 37 integrated stitches, including options for blind hem, decorative, and quilting, this machine lays the groundwork for a wide array of sewing projects.

Automatic Features for Effortless Sewing

The automatic one-step buttonholer ensures nearly flawless buttonholes, streamlining one of sewing’s more intricate tasks. The inclusion of 5 quick-change sewing feet, encompassing a buttonhole, zipper, zigzag, blind stitch, and button sewing foot, amplifies the machine’s versatility.

Designed for Sewing Ease

Brother’s SM3701 shines in usability, featuring a built-in easy needle threader and a jam-resistant Quick-Set top drop-in bobbin, which together minimize setup time and maintain smooth sewing operations. The automatic bobbin winding system further enhances the sewing experience, making thread preparation a breeze.

Built for a Range of Projects

The built-in free arm function facilitates sewing cuffs, sleeves, and pant legs, offering greater flexibility for various clothing repairs and creations. This feature, along with the machine’s comprehensive stitch options, allows sewers to expand their creative potential effortlessly.

Support and Warranty

Accompanied by a bilingual English and Spanish user manual, the SM3701 comes with a 25-year limited warranty. Brother also provides free technical phone and online support for the lifetime of the product, ensuring users have the assistance they need to fully utilize their sewing machine.

DIY Crafting and More

This machine is not just for sewing; it’s a gateway to DIY crafting, offering the reliability and features needed for a broad spectrum of creative endeavors. With its jam-resistant bobbin, LED light for illuminated sewing, and versatile free arm, the Brother SM3701 stands as a reliable, feature-filled mechanical sewing machine ideal for exploring and realizing creative ideas.

Overview of the Brother SM3701 Sewing Machine

The Brother SM3701 is a 37-stitch computerized sewing machine tailored to accommodate sewers of all levels with its array of user-friendly features and lightweight design. It’s engineered to be a versatile choice for beginners who are just learning the ropes and more advanced sewers seeking a range of sewing options.

Key Features:

  • 37 Built-in Stitches: Includes essential stitches like a blind hem, decorative, and quilting stitches, offering a wide variety for different sewing projects.
  • One-Step Buttonhole: Provides an automatic one-step buttonhole function, ensuring nearly perfect buttonholes every time.
  • Quick-Change Sewing Feet: Comes with five sewing feet (buttonhole, zipper, zigzag, blind stitch, and button sewing foot) that can be quickly changed to suit different sewing tasks.
  • Built-In Free Arm: Makes sewing cuffs, sleeves, and pant legs more manageable, enhancing the machine’s versatility for various clothing repairs and creations.
  • User-Friendly Mechanisms: Features a built-in easy needle threader and a jam-resistant Quick-Set top drop-in bobbin system, simplifying the threading process and maintaining smooth sewing operations.
  • Automatic Bobbin Winding: Equipped with an automatic bobbin winding system that prepares the bobbin quickly and easily.
  • Support and Warranty: The sewing machine comes with an instructional DVD, an English and Spanish user manual, a 25-year limited warranty, and free technical support via phone and online throughout the product’s lifetime.

Specifications of the Brother SM3701 Sewing Machine

ModelBrother SM3701
TypeComputerized Sewing Machine
Built-in Stitches37 (including blind hem, decorative, and quilting stitches)
ButtonholeAutomatic one-step buttonhole
Sewing Feet5 quick-change feet (buttonhole, zipper, zigzag, blind stitch, button sewing)
Free ArmYes, for easy sewing of cuffs, sleeves, and pant legs
Needle ThreaderBuilt-in easy needle threader
Bobbin SystemJam-resistant Quick-Set top drop-in bobbin
Bobbin WindingAutomatic system
Instructional MaterialIncludes DVD, English, and Spanish user manual
Warranty25-year limited warranty
Technical SupportFree phone and online support for the life of the product
DesignLightweight and user-friendly

Basic Features of the Brother SM3701 Sewing Machine

Dimensions and Weight of the Brother SM3701 Sewing Machine

DescriptionDimensions (W” x D” x H”)Weight (lbs)
Carton Dimensions7.75″ x 17.5″ x 14.25″15.9
Unit Dimensions12.0″ x 5.8″ x 15.3″12.5
  • Carton Dimensions and Weight: Reflects the size and weight of the machine’s packaging, important for shipping and storage considerations.
  • Unit Dimensions and Weight: This represents the actual size and weight of the sewing machine, indicating its footprint and portability.

Included Accessories with the Brother SM3701 Sewing Machine

The Brother SM3701 comes with a selection of accessories to enhance sewing projects and facilitate various sewing tasks:

  • Blindstitch Foot: For creating blind hems on a variety of fabrics.
  • Buttonhole Foot: This enables the sewing of buttonholes with ease using the automatic one-step buttonhole feature.
  • Button Sewing Foot: Designed to hold buttons in place while the machine sews them onto fabric.
  • Zigzag Foot: A versatile foot used for most sewing projects, including utility and decorative stitches.
  • Zipper Foot: Allows for the sewing of zippers on garments and accessories with precision.
  • Accessory Storage: Built-in storage compartment to keep accessories organized and readily accessible.
  • Automatic Needle Threading System: Simplifies the threading process, saving time and reducing eye strain.
  • Quick Set Bobbin: Ensures easy and reliable setup of the bobbin.
  • Instructional DVD: Provides a visual guide to using the machine, ideal for beginners.
  • User Manual: Available in English and Spanish, offering detailed instructions on operating the machine.
  • 25-Year Limited Warranty: Offers long-term assurance of the machine’s quality and performance

Pros and Cons of the Brother SM3701 Sewing Machine


  • Versatility: With 37 built-in stitches, including decorative and quilting stitches, it suits a wide range of sewing projects.
  • User-Friendly: Features like the automatic needle threader and quick-set bobbin make it easy for beginners to get started.
  • Lightweight Design: The machine is portable, making it convenient to move or transport.
  • Free Arm Capability: Enhances the sewing of cuffs, sleeves, and pant legs, providing flexibility for garment sewing.
  • Automatic One-Step Buttonhole: Creates nearly perfect buttonholes, simplifying garment construction.
  • Comprehensive Accessory Kit: Comes with various sewing feet and other accessories, enhancing its functionality out of the box.
  • Support and Warranty: Backed by a 25-year limited warranty and free technical support, ensuring long-term reliability.


  • 37 built-in stitches
  • easy for beginners
  • Lightweight Design
  • Free Arm Capability
  • Automatic One-Step Buttonhole


  • No Thread Cutter
  • No Speed Control


  • Limited Advanced Features: These may not have the extensive features or customization options found in higher-end models.
  • Mechanical Design: Lacks some of the automation and programmable features of computerized machines.
  • No Thread Cutter: The absence of an automatic thread cutter means manual cutting of threads, which might be inconvenient for some users.
  • No Speed Control: Without a speed control feature, users must rely on the foot pedal for speed adjustment, which could be challenging for beginners.


The Brother SM3701 sewing machine strikes a harmonious balance between functionality and user-friendly design, making it a compelling choice for both novice sewers and those with more experience. Its array of 37 built-in stitches, including utility, decorative, and quilting stitches, provides a solid foundation for a wide range of sewing projects. The machine’s automatic one-step buttonhole feature and the inclusion of versatile sewing feet further enhance its appeal, offering simplicity and efficiency in sewing tasks.

Backed by a 25-year limited warranty and offering free technical support, the Brother SM3701 presents not just a sewing machine, but a long-term sewing companion. Its blend of essential features, straightforward operation, and the promise of durability positions it as an excellent choice for anyone looking to explore the world of sewing or to continue developing their sewing skills with a reliable, versatile machine.

FAQs for the Brother SM3701 Sewing Machine

How beginner-friendly is the Brother SM3701?

The SM3701 is very beginner-friendly, with features like an automatic needle threader, quick-set bobbin, and one-step buttonhole that make it easy to learn and use.

Can the Brother SM3701 handle heavy materials like denim or canvas?

Yes, the SM3701 can sew through heavier materials like denim and canvas, provided you use the appropriate needle and settings.

What types of stitches are available on the SM3701?

The SM3701 offers 37 built-in stitches, including utility, decorative, quilting stitches, and an automatic one-step buttonhole.

Does the Brother SM3701 have an automatic thread cutter?

No, the SM3701 does not have an automatic thread cutter. Threads need to be cut manually.

Is there a free arm feature for sewing sleeves and cuffs?

Yes, the SM3701 includes a free arm feature, which is great for sewing sleeves, cuffs, and other tubular items.

How does the automatic needle threader work?

The automatic needle threader on the SM3701 helps guide the thread through the needle’s eye, reducing the hassle and time spent threading manually.

Can I quilt with the Brother SM3701?

While the SM3701 is primarily designed for general sewing, its quilting stitches and free arm feature make it capable of handling basic quilting projects.

What is the warranty on the Brother SM3701 sewing machine?

The SM3701 comes with a 25-year limited warranty, covering various machine components and offering long-term support.

How do I select stitches on the SM3701?

Stitches on the SM3701 are selected using a dial, making it easy to choose from the 37 available stitch patterns.

Are there any accessories included with the Brother SM3701?

Yes, the SM3701 includes several accessories like a set of sewing feet (buttonhole, zipper, zigzag, blind stitch, and button sewing foot), and it also has built-in accessory storage.

How does the built-in free arm on the SM3701 enhance sewing of circular or tubular pieces?

The built-in free arm on the SM3701 makes it easier to sew circular or tubular pieces like sleeves, cuffs, and pant legs by providing a smaller, accessible surface around which the fabric can be positioned and maneuvered.

What is the maximum sewing speed of the Brother SM3701, and can it be adjusted for precision work?

The SM3701 has a maximum sewing speed of up to 800 stitches per minute. While it doesn’t have a specific speed control slider, the speed can be regulated through the foot pedal, allowing for precision work when needed.

How can I maintain and clean the SM3701 to ensure its longevity?

Regular maintenance of the SM3701 includes cleaning lint and debris from the feed dogs and bobbin area, oiling the machine as per the manual’s recommendations, and using a soft cloth to wipe down the exterior to keep it in optimal condition.

Does the SM3701 have any features that prevent common sewing machine problems, like jamming or thread bunching?

Yes, the SM3701 features a jam-resistant Quick-Set top drop-in bobbin that helps prevent bobbin thread jamming, and its automatic tension control aids in preventing thread bunching, ensuring smoother sewing experiences.

Are there any additional accessories I can purchase to enhance the capabilities of the SM3701?

Yes, the SM3701 is compatible with a range of additional specialty feet and accessories available for purchase, such as quilting feet, walking feet, and various presser feet for different sewing techniques, expanding the machine’s versatility.

How user-friendly is the stitch selection process on the SM3701?

The stitch selection process on the SM3701 is very user-friendly, utilizing a dial system that clearly displays and selects stitches, making it easy to change between different stitch types quickly.

Can I use the SM3701 for sewing thick quilts or multiple fabric layers?

The SM3701 can handle multiple fabric layers and is suitable for quilt-making, though it’s important to use the correct needle and settings, and to ensure the layers fit comfortably under the presser foot.

What makes the Brother SM3701 a good choice for both home and professional sewing environments?

Its combination of ease of use, versatility, and reliable performance, along with support and warranty from Brother, makes the SM3701 suitable for both home sewing enthusiasts and professionals who need a dependable machine for varied sewing tasks.

All Used Image Credit: Brother USA

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