Juki Overlocker Review: The 5 Best Models Reviewed for You

Juki, a renowned Japanese brand, is celebrated not only for its exceptional Juki sewing machines but also for its high-quality overlockers. Should your search for the perfect overlocker leave you wanting more beyond what Singer sergers, Necchi, or even our comprehensive guide to the top 5 overlock models offer, consider exploring the Juki overlockers highlighted in this review. Discover the model that aligns perfectly with your sewing needs.


Juki MO4S Overlocker Machine: Optimal Quality-Price Ratio

Introducing the Juki MO4S Overlocker, a standout model for its excellent balance of quality and cost.

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Despite being an entry-level option, this machine empowers you to:

  • Effortlessly handle various types of fabric, from thick layers of denim and felt to the most delicate and lightweight materials, enabling you to create hems and decorations on stretchy fabrics.
  • Fine-tune the stitch length from 1 to 4 mm, retract the upper knife, and disengage the lower knife for enhanced flexibility.
  • Achieve a maximum sewing speed of 1,200 stitches per minute, courtesy of its differential transport system.

The Juki MO4S offers an expansive selection of stitches, including satin stitch, 3 or 4 thread stitch, rolled hem, and many others. Its convenient clipping container ensures a clean and organized workspace.

However, the Juki MO4S does have its limitations, notably the absence of coverstitch options and a free arm, features present in other models reviewed here.

Available in two variants, the Juki MO4S Professional, which comes with basic accessories including cut and sew, and the Juki MO4S Professional + Kit, which also features 6 additional feet. The basic package includes:

  • A set of needles.
  • A hex wrench, upper knife, and bobbin holder.
  • Needle threading tweezers and a screwdriver.
  • A cleaning toothbrush.
  • A dust cover and rheostat.
  • The comprehensive instruction manual.

This machine is designed for those who seek a reliable overlocker with a broad range of capabilities, without the need for the more advanced features of higher-end models.

Juki MO-644D Overlocker: Superior Quality for Home Use

Image Credit: Juki

Meet the Juki MO-644D Overlocker, a model that elevates home serging to near-industrial levels of performance. This 4-thread serger combines high-quality construction with ease of use for domestic projects.

Key features include:

  • Versatility in handling 2, 3, or 4 thread operations, simplifying a variety of sewing tasks.
  • The addition of a free arm, a notable upgrade from the MO4S model, enabling seamless tubular sewing processes.
  • A comprehensive stitch selection, featuring 2 or 3 thread automatic rolled hems, overcasting, and more, catering to diverse sewing needs.
  • Simplified threading thanks to color-coded pathways for each thread, making the setup process straightforward. The lower looper threading is particularly user-friendly, aided by specialized tools.
  • Comes pre-threaded with a robust set of accessories, including a differential foot with adjustable pressure and a protective case, ensuring you’re ready to sew right out of the box.
  • Compact and lightweight, measuring just 34 x 27 x 29.5 cm and weighing a mere 6.5 kilos. Its suction cup feet enhance stability, making it an ideal choice for those with limited space who do not want to compromise on quality.

The Juki MO-644D Overlocker is highly recommended for individuals seeking a compact, yet high-performing, overlocker. It’s perfect for enthusiasts looking to elevate their home sewing projects with professional-grade finishes.

Juki MO-654DE Overlocker: The Premier Choice

The Juki MO-654DE Overlocker stands out as an exceptionally compact and lightweight model, with dimensions being only 26.9 x 34.5 x 29.5 cm and weighing in at 6.9 kilos. It’s a standout choice for its unbeatable quality-price ratio in the serger market.

Key benefits of this model include:

  • High-speed performance with a notably quiet motor, makes it a pleasure to use, especially for those accustomed to industrial sewing machines.
  • Capability to execute 2, 3, or 4-thread operations, focusing on overlock stitches and automatic rolled hems, eschewing cover stitch and other stitch types for specialized efficiency.
  • Features such as an adjustable presser foot pressure, an adjustable differential, and an easily threaded lower looper enhance the machine’s user-friendliness and versatility.
  • The machine arrives pre-threaded to facilitate immediate use. Should re-threading be necessary, color-coded threading paths simplify the process.
  • It includes a wide array of accessories, among which is a multifunctional foot with tape guide, offering broad creative possibilities. Additionally, the lower knife adjustment is automatic, and the stitch length can be manually set to match your specific project needs.
  • Sold with a convenient carrying case, ensuring portability and protection.
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The Juki MO-654DE is highly recommended for sewing enthusiasts seeking a serger that combines portability with powerful and quiet performance. It’s the perfect tool for achieving professional-grade results in the comfort of your home.

Juki MO-50-E Overlocker: Versatility for Every Fabric

Introducing the Juki MO-50-E Overlocker, the fourth model in our carefully curated selection, ideal for crafting children’s apparel, adding decorative touches, creating sportswear, or working with stretch materials.

While this model does have a limitation—lacking a free arm for tubular projects—this challenge can be quickly overcome with a bit of practice, making it a minor hiccup for its overall utility.

Key features of the Juki MO-50-E include:

  • Flexibility in operation with either one or two needles and the choice between 3 or 4 thread configurations, ensuring adaptability for various sewing needs.
  • The ability to sew rolled hems on delicate fabrics like georgette, enhancing the finish of lightweight projects.
  • A differential feed that proves invaluable for managing knits, wool, and other challenging materials that are prone to slipping or curling.
  • Like its counterparts, this model boasts automatic threading of the lower looper, adjustable stitch lengths, a disengageable knife, and a multifunctional foot for enhanced sewing experiences.
  • Compact dimensions of 29.2 x 29.5 x 29 cm and a weight of 7.4 kilos make it a sturdy yet manageable machine.
  • Sold with a 2-year warranty, ensuring reliability and satisfaction.
  • The package includes a comprehensive set of accessories: 4 bobbin holders, an upper knife, a screwdriver, tweezers, a lint brush, a set of needles, a Hex Wrench, 4 thread nets, oiler, clipping container, rheostat, and an instruction manual (in Italian), offering everything needed to get started.

The Juki MO-50-E Overlocker is recommended for sewists looking for a machine that balances performance with versatility, suitable for a wide array of fabrics and sewing tasks.

Juki MO-735 Overlocker Professional: Dual Functionality Masterpiece

Concluding our series with the Juki MO-735 Overlocker, a model that stands out for its superior functionality and worth every penny. This machine doubles as both an overlocker and a coverstitch machine, offering versatility that rivals professional-grade overlockers while being designed for domestic use.

Key Features:

  • Offers 2, 3, 4, or even 5 thread options for stitching, achievable with either one or two needles, providing unparalleled flexibility in your sewing projects.
  • Automatic needle threading and color-coded threading paths on the machine’s body simplify the setup process.
  • Achieves a maximum sewing speed of 1500 stitches per minute, allowing for efficient sewing on a wide range of projects.
  • Features an adjustable upper knife and the option to disengage the lower knife for precise control over your sewing.
  • Includes a spacious clipping container, ensuring your workspace remains clean and organized.

What Makes the Juki MO-735 Stand Out?

This model is capable of executing a variety of stitches, including the double-height whipstitch, chain stitch, safety seam, and the coveted coverstitch with 2 or 3 needles. Its differential feed system ensures smooth sewing on even the most challenging materials, such as jeans, leather, neoprene, and more.

We highly recommend the Juki MO-735 Overlocker for both enthusiastic hobbyists and professional craftsmen and tailors seeking a high-performance, versatile sewing machine that brings professional-quality results into the home sewing space.

FAQs on Juki Overlocker Models

What is the main difference between the Juki MO4S and Juki MO-644D overlockers?

The Juki MO-644D offers a free arm for tubular sewing and higher sewing speeds, whereas the MO4S is more basic but still versatile for various fabrics.

Can the Juki MO4S handle heavy fabrics like denim?

Yes, the Juki MO4S can work with layered jeans, felt, and even very delicate fabrics.

Does the Juki MO-644D come pre-threaded?

Yes, the Juki MO-644D arrives pre-threaded and includes a set of accessories for immediate use.

What kind of stitches can the Juki MO-654DE perform?

It can create 2, 3, or 4 thread overlock stitches and automatic rolled hems but does not perform coverstitch.

Is the Juki MO-654DE suitable for beginners?

Yes, with its easy threading system and adjustable features, it’s great for beginners and experienced users alike.

Can the Juki MO-50-E overlocker handle stretch fabrics and knits?

Absolutely, its differential feed is perfect for stretch fabrics, knits, and other materials prone to slipping or curling.

Does the Juki MO-50-E have a free arm?

No, this model does not feature a free arm, which may require an adjustment period for those used to tubular sewing.

What accessories come with the Juki MO-50-E?

It includes bobbin holders, an upper knife, screwdriver, tweezers, lint brush, needles, a hex wrench, thread nets, oiler, clipping container, rheostat, and an instruction manual.

What makes the Juki MO-735 overlocker stand out from the others?

Its dual functionality as both an overlocker and a coverstitch machine, along with its capacity for 2, 3, 4, or 5 thread stitching.

Can the Juki MO-735 handle thick and difficult fabrics?

Yes, its differential feed allows it to sew through jeans, leather, neoprene, and more without issue.

Are these Juki overlockers suitable for professional tailoring and crafting?

Yes, especially the Juki MO-735, which is recommended for both hobbyists and professionals due to its advanced features.

What is the maximum sewing speed of the Juki MO-654DE?

The Juki MO-654DE can reach speeds up to 1500 stitches per minute.

Can I perform coverstitch with the Juki MO4S?

No, the MO4S is limited to overlock stitches and does not have coverstitch capability.

How easy is it to thread the Juki overlockers?

Juki overlockers are designed with easy threading in mind, featuring color-coded paths and, in some models, automatic threading.

What warranty comes with Juki overlockers?

Juki overlockers typically come with a 2-year warranty, though it’s advisable to check specific model details for confirmation.

How do I adjust the stitch length on these models?

Stitch length can be manually adjusted on most models, with controls easily accessible on the machine.

Are instructional manuals included with these Juki overlockers?

Yes, each model comes with an instruction manual to guide you through setup, use, and maintenance.

Can the Juki MO-654DE create rolled hems on delicate fabrics?

Yes, it’s capable of creating beautiful rolled hems on very light and delicate fabrics.

How compact are these Juki overlockers for small workspaces?

Models like the Juki MO-654DE and MO-50-E are designed to be compact and lightweight, ideal for small spaces.

What is the weight of the Juki MO-735?

The Juki MO-735 weighs approximately 7.4 kilos, making it relatively easy to move and store.

How do I perform maintenance on these Juki overlockers?

Regular maintenance steps include cleaning with the provided lint brush, oiling with the oiler, and changing needles as needed, all outlined in the instruction manual.

Can I adjust the pressure of the presser foot on these models?

Yes, models like the Juki MO-654DE feature adjustable presser foot pressure for handling different fabric types.

Are suction cup feet standard across all Juki overlocker models?

Not all models have suction cup feet. This feature is specific to certain models like the MO-644D for enhanced stability.

How do I choose the right Juki overlocker for my needs?

Consider the types of projects you’ll be working on, the fabrics you commonly use, and whether you need features like coverstitch or a free arm.

Where can I purchase these Juki overlockers?

Juki overlockers can be purchased from authorized dealers, sewing machine specialty stores, and some online retailers. Always buy from a reputable source to ensure warranty coverage and support.


Juki Overlockers stand out as the epitome of sewing excellence, offering a range of models that cater to both beginners and professionals alike. Whether you seek the simplicity and efficiency of the Juki MO4S or the dual functionality and advanced capabilities of the Juki MO-735, there’s a Juki overlocker designed to meet your specific sewing needs. These machines are celebrated for their durability, ease of use, and the impeccable quality of their stitches, making them a worthy investment for anyone passionate about sewing. Dive into the world of Juki Overlockers and experience sewing with unmatched precision and reliability.

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