Juki Overlock Sewing Machine Serger MO-623



The Juki MO-623 serger is a 1-needle, 3-thread overlock machine from the most reliable serger brand on the market with the least repairs.

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Juki Overlock Sewing Machine Serger MO-623

Expand your range of design and technique with the easy to operate, durable and dependable Juki 1-needle, 2/3 thread overlock machine featuring built-in rolled hemming. This model handles the latest materials and threads to assist you in sewing the most fashionable apparel for the entire family, as well as accessories, crafts and home decorating items.

Color-Coded Threading Guides
Threading the MO-623 is a breeze. The thread paths are color-coded and clearly marked.



Easy Tension Adjustment
1-Rotation Thread Tension Dials with normal tensions highlighted for simple, consistent tension adjustment.

Specially designed guides keep thread in place and ensure proper sewing tension at any speed.


Multi-Function Presser Foot
The multipurpose presser foot, standard on the MO-654DE, allows you to create overlock stitches and add tape, elastic, ribbon, or sequins to your creations.

Snap-on presser feet mean that you can easily change from the multi-purpose foot to one of the Juki Specialty feet and expand the creative potential of the MO-654DE.


Serging Precision
The built-in seam guide takes the guesswork out of seam allowances. Just use the conveniently located gauge on the guard cover and serge away, creating accurate seam allowances as you go.

Heavy Duty Knife System
The knife system on the MO-654DE operates with a dedicated drive to assure consistent and easy cutting for both light and heavy weight fabrics.

 Easy Cutting Width Adjustment
The lower knife cutting width easily and quickly adjusts with the turn of the dial allowing you to create perfect seams and rolled edges.

Bright Lights - Better View
Lighting on the MO-654DE provides optimum lighting to the fabric and needle areas.







Flip and Roll
Automatic rolled hemming can be created quickly and easily with a flip of a switch. No need to change the needle plate or foot - Just Flip and Roll!


Easy Stitch Length Adjustments
Change the stitch length for specialty thread or overlock techniques using the conveniently located dial.



Convenience Features:

Snap-On Presser Feet
Color Coded Thread Paths
Built-in rolled hemming
2/3 Thread options
Industrial Tension System
Industrial Cutting System
Sewing Guage built-in for accurate seams
Fast 2-Thread Conversion optional


3-Thread Narrow Overlock
3-Thread Overlock
3-Thread Rolled Hem
2-Thread Rolled Hem optional
2-Thread Overcast optional


Included Accessories:

Presser foot
Spool caps
Thread nets
Vinyl cover
Needle pack
Brush & needle inserter
Looper Threader
Accessory pouch
Light bulb
Instruction manual
Foot control & power cord

2/3 thread selector optional



Sewing Speed Max. 1500rpm
Stitch Length Max.4mm
Standard 2.5mm
Overlocking Width Standard: 4mm
Rolled Hem: 1-1.5mm
Presser Foot Lift 5mm
Dimensions (mm) 270mm x 345mm x 295mm
Weight (machine) 7.0 kg (15.0 lbs.)
Needles: Household #11~#14