Juki MO-6916R – 5 Thread Top Feed Overlock

Juki MO-6916R – 5 Thread Top Feed Overlock

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Juki MO-6916R

Juki MO-6900R Series

2-Needle, 5 Thread High-speed, Variable Top-feed, Overlock/Safety Stitch

The MO-6900R Series comes with a newly developed feed mechanism that moves the top and bottom feed separately.

With the combination of the feed’s increased differential feed ratio and improved feeding capacity, the machine is able not only to prevent uneven material feed but also to easily finish difficult processes, such as sewing different types of materials together, ruffling and piping.

Excellent bottom and variable top feed mechanisms.

  • The locus of the top feed dog increases the surfaces of the top feed dog that horizontally synchronize with the bottom feed dog, to reliably feed the materials without damaging them. The feed mechanism smoothly feeds light-weight materials softly or feeds heavy-weight materials with an increased cloth-biting force.

  • The fulcrum of the top feed locus can be set at the best-suited position according to the material or process.

The machine has been developed with the intention of providing an extended service life.

  • The bottom and top feeds are equipped with separate differential feed micro-adjusting mechanisms. Various adjusting mechanisms to adjust the feed to ideally match the material being sewn is equipped as a standard, such as the bottom feed dog inclination adjusting mechanism and the external differential feed-increasing mechanism.

  • Comfortable operation is all but guaranteed, by a wider area around the needle entry, the adoption as standard of a micro lifter feature that offers improved responsiveness to materials and provides the operator with upgraded operability, and by the reduction of operating noise and vibration, which has been achieved by designing an optimally balanced machine.

Further increased reliability.
The introduction of a shield-structured needle bar mechanism and upper and lower needle bar bushings contributes to increased durability and reliability. Additionally, the machine incorporates an improved upper looper unit as well as coming standard with a cartridge type oil filter and cooling fan, thereby ensuring enhanced reliability.


Juki MO-6916R 

Juki MO-6900R Series 

2-Needle, 5 Thread High-speed, Variable Top-feed, Overlock / Safety Stitch

Model Series

Juki MO-6900R Series

Model name

Juki MO-6904R

Juki MO-6914R

Juki MO-6916R

Stitch type

1-needle overlock

2-needle overlock

Safety stitching

Stitch style in the U.S.A.




Max. sewing speed

7,000sti/min (longitudinal stroke of top feed dog is 6mm or less)
6,000sti/min (longitudinal stroke of top feed dog is 68.5mm)

Stitch length



Needle gauge (mm)



3.2, 4.8, 4.8+2.0, 3.2+2.0

Overedging width (mm)

3.2, 4.0, 4.8, 6.4

3.2, 4.0

3.2, 4.0, 4.8, 6.4

The bottom differential feed ratio

For gathering 1:2 (max. 1:4), For stretching 1:0.7 (max. 1:0.6)

Needle bar stroke


The inclination angle of the needle


Needle mechanism

Needle bar method and upper/lower bushing



The vertical stroke of the top feed dog

3.58.5mm (it differs from the machine’s specifications.)

Longitudinal stroke of the top feed dog

17.5mm (it differs from the machine’s specifications.)

Max. lift of the presser foot

7mm (excluding some subclass model)

Max. presser-foot pressure

63.7N (6.5kgf)

Stitch adjusting method

By push-button

Bottom differential feed
adjusting method

By lever (with micro-adjustment)

Top differential feed
adjusting method

By lever (with micro-adjustment)

Weight of the machine head




Lubricating oil

JUKI Machine Oil 18 (equivalent to ISO VG18)

Needle cooler

Provided as standard

Needle thread heat remover

Provided as standard


Provided as standard


Additional information

Weight 40000 g

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