■ SPECIFICATIONS

Stitch type
Model name MO-6904S
1-needle overlock
MO-6914S
2-needle overlock
MO-6916S
Safety stitching
MO-6900S Series
Super-high-speed, Overlock / Safety Stitch Machine
Stitch style in the U.S.A. 504 514 516
Max. sewing speed 8,500sti/min✽ 8,000sti/min✽ 8,000sti/min✽
Stitch length 0.8~4mm 1.5~4mm
Needle gauge (mm) –– 2.0, 2.4, 3.2 2.0, 3.2, 4.0, 4.8, 4.8+2.0
Overedging width (mm) 1.6, 3.2, 4.0, 4.8 3.2, 4.0, 4.8 3.2, 4.0, 4.8, 6.4
Differential feed ratio For gathering 1:2 (max. 1:4), For stretching 1:0.7 (max. 1:0.6)
Needle bar stroke 24.5mm
Inclination angle of the needle 20°
Needle bar bushing Upper/lower bushing method
Needle DC×27(excluding some subclass model)
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
Differential-feed adjusting method By lever (with micro-adjustment)
Weight of the machine head 28kg
Lubrication Automatic
Lubricating oil JUKI Machine Oil 18 (equivalent to ISO VG18)
Needle cooler Provided as standard (excluding MO-6945S)
Needle thread heat remover Provided as standard (excluding MO-6945S)
Micro-lifter Provided as standard

✽ “sti/min”stands for “Stitches per Minute.”

MO-6914S
Juki Corporation operates an environmental management system
to promote and conduct the following as the company engages in
the research, development, design, sales, distribution, and
maintenance of industrial sewing machines, household sewing
machines, industrial robots, etc., and in the provision of sales and
maintenance services for data entry systems:
➀The development of products and engineering processes that
are safe to the environment
➁Green procurement and green purchasing
➂Energy conservation (reduction in carbon-dioxide emissions)
➃Resource saving (reduction of papers purchased, etc.)

MO-6900S Series
➄Reduction and recycling of waste
➅Improvement of logistics efficiency (modal shift and improvement
of packaging, packing, etc.)

2-11-1, TSURUMAKI, TAMA-SHI,

TOKYO 206-8551, JAPAN
PHONE : (81) 42-357-2254
FAX : (81) 42-357-2274 High-quality machine with easier operation and increased reliability.
INDUSTRIAL SEWING MACHINE DIV. http://www.juki.com
✽ Specifications and appearance are subject to change without prior notice for improvement.
✽ Read the instruction manual before putting the machine into service to ensure safety.
✽ This catalogue prints with environment-friendly soy ink on recycle paper.
APRIL, 2010 Printed in Japan(A)
 ■ WHEN YOU PLACE ORDERS
Please note when placing orders, that the model name should be written as follows:

Stitch type U.S.A Code Type Code Device and attachment Code
1-needle overlock 504 04 Standard S Tape attaching presser foot / Tape guide G02/Q141
High-quality machine with easier operation and increased reliability. 1-needle overlock
for blind hemming
505 05
Tape attaching presser foot (for sewing sharp curves)/ Tape guide G39/Q141
Blind stitch hemming attachment L121
2-needle imitation
512 12 Swing-type gathering device
safety stitch S159
The MO-6900S Series is a new and 2-needle overlock 514 14
(interlocked with pedal / for safety stitch machine)
Swing-type gathering device
S161
powerful overlock/safety stitch machine 2-needle safety stitch 516 16 (manual-lever operated / for safety stitch machine)
3-needle safety stitch 43 Swing-type gathering device
S162
that has been developed to offer increased 2-needle double chain stitch 45
(manual-lever operated / for overlock machine)
Clean finish top and bottom N077
reliability and ease-of-use, while upgrading
seam quality at higher sewing speeds.
It responds to a wider range of materials MO69 S /
and processes to finish high-quality
soft-feeling seams. With the operating Needle Overedging
Feed dog Code Material Application
Special machine
Code
gauge (mm) width (mm) classification
noise having been reduced and –– 1.6 2-row 0A4
Extra light- to
Light-weight
materials such as Rolled hemming Standard 150
–– 1.6 1-row 0A5 light-weight
men's shirts
increased durability ensured, –– 3.2 2-row 0D4
Light- to
Specific to knits Runstitching Upper looper extra high throw 20H
–– 3.2 3-row 0D6 medium-weight
the cost-effective MO-6900S
–– 4.0 2-row 0E4 Runstitching Standard 300
Series is a leading machine –– 4.0 3-row 0E6 Runstitching Upper looper high throw 307
–– 4.8 2-row 0F4 Gathering Upper looper high throw 327
in the new era. –– 4.8 3-row 0F6
Light- to For general
medium-weight fabrics Rolling-in tape Standard 360
2.0 3.2 2-row BD4 Soft-chain Standard 3F0
2.0 3.2 3-row BD6 Throat plate and feed dog
Soft-chain 3F6
both provided with a lip
2.0 4.0 2-row BE4
Runstitching Upper looper extra high throw 40H
2.0 4.0 3-row BE6
MO-6904S 2.0 4.0 4-row BE7
Specific to knits
Blind hemming Upper looper extra high throw 41H
Gathering Upper looper extra high throw 42H
2.4 4.0 2-row CE4 such as sweaters
Tape attaching Upper looper extra high throw 44H
3.2 3.2 3-row DD6
Soft-chain Upper looper extra high throw 4FH
3.2 4.0 2-row DE4 Medium- to
heavy-weight Runstitching Standard 500
3.2 4.0 3-row DE6 Medium- to
heavy-weight Runstitching Upper looper high throw 507
3.2 4.8 3-row DF6
materials such as Runstitching Swim suits 50F
4.0 3.2 2-row ED4 denim
Runstitching Upper looper extra high throw 50H
4.8 4.8 3-row FF6
For heavy-weight
4.8 6.4 3-row FH6 Runstitching Upper looper extra high throw 60H
materials
4.8+2.0 3.2 3-row 1D6

■ AC SERVOMOTOR
● Machine head

MO69 S / /SY35

Built-in synchronizer
Set speed ✽ Code
MO-6904S 8,000sti/min
SY35
MO-6914S, 6916S 7,500sti/min
✽Select a sewing speed that is lower than the
machine head's maximum sewing speed by
500sti/min.

MO-6916S ● To order, please contact your nearest JUKI distributor.

■ DEVISES AND ATTACHMENTS The machine ensures both beautiful and upgraded seam quality at higher speeds.
Model Part No. Description
[Reference] Since the machine comes with a needle-thread take-up mechanism as well as a looper thread take-up mechanism, to offer
Chain-off thread trimming device
Combination table of “chain-off thread suction device” and upgraded responsiveness from light- to heavy-weight materials with a lower applied tension, it achieves well-tensed soft-
MAT-039001A0 One-touch type tape cutter For 110, 115, 220, 240V
and chain-off thread “auto-lifer” which correspond to “chain-off thread trimming device”. feeling seams that flexibly correspond to the elasticity of the material at the maximum sewing speed of 8,000 to 8,500sti/min.
T039
MAT-039002A0
trimming device
For 220, 380, 415, 440V
To offer improved sewing capabilities as well as to prevent stitching misshapes, the machine is equipped as standard with
(electromagnetic type) the needle thread heat remover and needle cooler.
MAT-040001A0 Automatic tape cutter For semi- For 110, 115, 220, 240V Chain-off Chain-off
+ chain-off thread sunken type For 220, 380, 415, 440V thread thread
MAT-040002A0 Auto-lifter Needle thread
trimming device trimming suction
T040
MAT-040001AA (number-off-stitch For 110, 115, 220, 240V device device heat remover
For fully-
control and electro- MC-7A AK101 (JUKI servomotor)
MAT-040002AA sunken type For 220, 380, 415, 440V
magnetic type)
T039 MC-8 AK101 (JUKI servomotor)
T041 MAT-041000A0A Pneumatic flat cutter
MC-9 –– (MC-9 is equipped with auto-lifter.)
T042 MAT-042000A0 Pneumatic side cutter (for overlock machine)
Blower-type chain-off thread suction device
MC-7A –– Blower-type chain-off thread suction device + cloth chips MC-7A AK32 (any motor will do)
Pneumatic chain-off thread suction device T040 MC-5 AK32 (any motor will do) Needle cooler
MC-4 –– Specific to chain-off thread, pedal-operated MC-24 AK32 (any motor will do)
MC-5 –– Specific to chain-off thread
MC-8 –– Pneumatic chain-off thread + cloth chips
MC-9 –– Function of MC-8 + auto-lifter AK49 (Motors other than JUKI servomotors
MC-7A are applicable.) Runstitching in general fabric
MC-24 –– Pneumatic chain-off thread + cloth chips
T041 AK101 (JUKI servomotor) MO-6914S-BE6-307
✽The aforementioned devices are not equipped with air regulator.
or MC-4 ––
Please purchase the following components when you need to regulate air pressure.
T042
MC-8 AK101 (JUKI servomotor)
–– PF-0552010-B0 Air regulator (F.R. unit asm.)
MC-9 –– (MC-9 is equipped with auto-lifter.)
–– GMD-01080000×2 Fixing screw for F.R. unit asm.
–– F1021-003-000 Tube connector (male)
––
GAS-12063000✽
One-touch connector The machine has been developed with the intention of providing an extended service life.
✽Selection parts instead of the tube connector The machine incorporates various mechanisms as standard, such as a differential-feed micro-adjustment mechanism and
Auto-lifter an external adjustment mechanism for adjusting the feed dog inclination as well as increasing the differential feed ratio,
AK32 GAK-320000A0 Pneumatic type (knee-operated) which can be easily adjusted to finish seams that perfectly match the material to be used. Comfortable operation is all
AK49 GAK-490000A0 Pneumatic type (pedal-operated) but guaranteed, by a wider area around the needle entry, the adoption as standard of a micro-lifter feature that offers
AK101 GAK-A01000A0 Pneumatic type (for servomotor)
improved responsiveness to materials and provides the operator with upgraded operability, and by the reduction of
Model Part No. Description Feature operating noise and vibration, which has been achieved by designing an optimally balanced machine.
Gathering device
Swing-type gathering device The attachment opens with the presser foot pedal. This facilitates material
S159 MAS-159000A0
(interlocked with pedal / for safety stitch machine) setting on the machine. Furthermore, knee-control type differential-feed
Swing-type gathering device adjusting device is built in the attachment. It controls a differential-feed ratio as
S160 MAS-160000A0 desired, thereby enabling the operator to make beautiful gathers.
(interlocked with pedal / for overlock machine) Micro-lifter
Swing-type gathering device The attachment is used to perform two different processes, joining fabric Differential-feed
S161 MAS-161000A0
(manual-lever operated / for safety stitch machine) process and gathering process, at a time. micro-adjustment mechanism
Swing-type gathering device The attachment can be opened/closed by using the lever (manually operated).
S162 MAS-162000A0 The differential-feed ratio is controlled with the knee lever.
(manual-lever operated / for overlock machine)
Blind hemming device
L121 MAL-121000A0 Blind stitch hemming attachment A ruler used for blind hemming in knits
Piping folder
M056 MAM-0560J0A0 Piping folder This piping folder makes a piping first, then turns up the tape.
This attachment can be used for both “cotton bias tape with gimp” and “knit tape”.
M075 MAM-0750J0A0 Piping folder (to be used with knit tape)
The operation mode can be changed over with a fingertip control.
M076 MAM-0760N0A0 Ready-made piping folder The dimension of ready-made tapes can be adjusted within the range of 8 to 13mm.
M077 MAM-0770M0A0 Piping folder for gathering The attachment makes gathers on the lower fabric while making decorative piping.
Guide, Ruler
H153 MAH-153000A0 Cloth edge guide ruler (for overlock machine)
A swing type edge guide.
Further increased reliability. Devices intended for conventional JUKI
H154 MAH-154000A0 Cloth edge guide ruler (for safety stitch machine) The introduction of a shield-structured needle bar machines are also interchangeable.
3141 MA3-141000B0 Tape guide
This attachment is used attached on the machine head (face plate).
It is used for tapes with the width of 7mm or less.
mechanism and upper and lower needle bar bushings, Gauges and devices you have used with your existing
contributes to increased durability and reliability. JUKI machines are also interchangeable with no
Feller, Binder
K006 MAK-00601000 Upturn feller This feller is exclusively used with the 3C0 throat plate. It is attached on the throat plate.
Additionally, the machine incorporates an improved additional machining required (excluding the LB
N067 MAN-0670D0A0 Reinforcement tape attachment binder (finished width: 4mm) This binder binds the edge of a pocket bag while cutting round its periphery. feed mechanism and upper looper unit as well as Series). This eliminates both the waste of resources
coming standard with a cartridge type oil filter and and unwanted extra costs.
cooling fan, thereby ensuring enhanced reliability.

Upper needle bar

bushing

Lower
needle bar
bushing
■ SUBCLASS MACHINE LIST

Number Presser Max. Remarks Number Presser Max. Remarks

Number Number Needle Overedging of Stitch Bottom lifting sewing Number Number Needle Overedging of Stitch Bottom lifting sewing
Seams Model No. Materials of of gauge width (mm) feed dog length differential- amount Needle system speed Seams Model No. Materials of of gauge width (mm) feed dog length differential- amount Needle system speed
needles threads (mm) rows (mm) feed ratio (mm) (sti/min) needles threads (mm) rows (mm) feed ratio (mm) (sti/min)

<1-needle overlock> <Safety stitching>

For runstitching in general fabric For runstitching in general fabric
MO-6904S-0D4-300 1 3 –– 3.2 2 4 1:0.7~1:2 7 DC×27 #11 8,500 MO-6916S-DD6-300 2 5 3.2 3.2 3 4 1:0.7~1:2 7 DC×27 #11 8,000
MO-6904S-0E4-300 1 3 –– 4.0 2 4 1:0.7~1:2 7 DC×27 #11 8,500 MO-6916S-DD6-3F0 2 5 3.2 3.2 3 4 1:0.7~1:2 7 DC×27 #11 8,000 For soft-chains
MO-6904S-0F4-300 1 3 –– 4.8 2 4 1:0.7~1:2 7 DC×27 #11 8,000 MO-6916S-DE4-300 L~M 2 5 3.2 4.0 2 4 1:0.7~1:2 7 DC×27 #11 8,000
MO-6904S-0D6-300 1 3 –– 3.2 3 4 1:0.7~1:2 7 DC×27 #11 8,500 MO-6916S-DE6-300 2 5 3.2 4.0 3 4 1:0.7~1:2 7 DC×27 #11 8,000
MO-6904S-0E6-300 1 3 –– 4.0 3 4 1:0.7~1:2 7 DC×27 #11 8,500 MO-6916S-FF6-300 2 5 4.8 4.8 3 4 1:0.7~1:2 7 DC×27 #11 8,000
MO-6904S-0F6-300 L~M 1 3 –– 4.8 3 4 1:0.7~1:2 7 DC×27 #11 8,000 MO-6916S-BE4-40H 2 5 2.0 4.0 2 4 1:0.7~1:2 7 DC×27 #11 7,500
MO-6904S-0D4-3F0 1 3 –– 3.2 2 4 1:0.7~1:2 7 DC×27 #11 8,500 MO-6916S-DE4-40H 2 5 3.2 4.0 2 4 1:0.7~1:2 7 DC×27 #11 7,500 Upper looper
MO-6904S-0E4-3F0 1 3 –– 4.0 2 4 1:0.7~1:2 7 DC×27 #11 8,500 MO-6916S-DE6-40H 2 5 3.2 4.0 3 4 1:0.7~1:2 7 DC×27 #11 7,500 extra high throw type
For soft-chains
MO-6904S-0D6-3F0 1 3 –– 3.2 3 4 1:0.7~1:2 7 DC×27 #11 8,500 MO-6916S-FF6-40H 2 5 4.8 4.8 3 4 1:0.7~1:2 7 DC×27 #11 7,500
MO-6904S-0D4-3F6 1 3 –– 3.2 2 4 1:0.7~1:2 7 DC×27 #11 8,500 MO-6916S-DD6-500 M~H 2 5 3.2 3.2 3 4 1:0.7~1:2 7 DC×27 #16 8,000
For soft-chains MO-6916S-FF6-500 2 5 4.8 4.8 3 4 1:0.7~1:2 7 DC×27 #16 8,000
MO-6904S-0E4-4FH 1 3 –– 4.0 2 4 1:0.7~1:2 7 DC×27 #11 7,500 Upper looper
extra high throw type MO-6916S-DF6-50H 2 5 3.2 4.8 3 4 1:0.7~1:2 6.5 DC×27 #16 7,500
Upper looper
MO-6916S-FF6-50H 2 5 4.8 4.8 3 4 1:0.7~1:2 6.5 DC×27 #16 7,500 extra high throw type
MO-6904S-0E4-40H 1 3 –– 4.0 2 4 1:0.7~1:2 7 DC×27 #11 7,500 Upper looper
M~H MO-6916S-FH6-50H 2 5 4.8 6.4 3 4 1:0.7~1:2 6.5 DC×27 #16 7,500
extra high throw type
MO-6904S-0E6-40H 1 3 –– 4.0 3 4 1:0.7~1:2 7 DC×27 #11 7,500 MO-6916S-FF6-60H 2 5 4.8 4.8 3 4.5 1:0.9~1:1.7 5 DC×27 #21 7,000 For jeans
MO-6904S-0F6-500 1 3 –– 4.8 3 4 1:0.7~1:2 7 DC×27 #14 8,000 H Upper looper
MO-6916S-FH6-60H 2 5 4.8 6.4 3 4.5 1:0.9~1:1.7 5 DC×27 #21 7,000 extra high throw type
Upper looper
MO-6904S-0F6-50H 1 3 –– 4.8 3 4 1:0.7~1:2 7 DC×27 #14 7,500
extra high throw type
For gathering ★S159: Swing-type gathering device (interlocked with pedal) ★S161: Swing-type gathering device (manual-lever operated)

For blind hemming ★L121: Blind stitch hemming attachment MO-6916S-FF6-42H/

2 5 4.8 4.8 3 3.2 1:0.9~1:2.6 6 DC×27 #14 7,000
S159 Upper looper
MO-6905S-0D4-210/ M~H
1 3 –– 3.2 2 4 1:0.7~1:2 5.5 DC×27 #9 7,500 MO-6916S-DE4-42H/ extra high throw type
L121 Upper looper 2 5 3.2 4.0 2 3.2 1:0.9~1:2.6 6 DC×27 #11 7,000
M~H S161
MO-6905S-0E4-41H/ extra high throw type
1 3 –– 4.0 2 4 1:0.7~1:2 5.5 DC×27 #9 7,500
L121
For rolling-in tape ★N077: Clean finish top and bottom

For rolled hemming (folded downward) 2-needle type for

MO-6945S-ED4-360/
L~M 2 4 4.0 3.2 2 4 1:0.7~1:2 5 DC×27 #14 7,000 double-chainstitch
MO-6904S-0A4-150 1 3 –– 1.6 2 4 1:0.7~1:2 5 DC×1 #8 8,500 N077
on pocket bags
EL~L
MO-6904S-0A5-150 1 3 –– 1.6 1 4 1:0.7~1:2 5 DC×1 #8 8,500
✽ “sti/min”stands for “Stitches per Minute.”

<2-needle overlock>
For runstitching in general fabric
MO-6914S-BD4-307 2 4 2.0 3.2 2 4 1:0.7~1:2 6.5 DC×27 #11 8,000
MO-6914S-BE4-307 2 4 2.0 4.0 2 4 1:0.7~1:2 6.5 DC×27 #11 8,000
MO-6914S-BD6-307 L~M 2 4 2.0 3.2 3 4 1:0.7~1:2 6.5 DC×27 #11 8,000
MO-6914S-BE6-307 2 4 2.0 4.0 3 4 1:0.7~1:2 6.5 DC×27 #11 8,000
Diversified subclass machines are available. The selection of a machine
MO-6914S-BE6-20H 2 4 2.0 4.0 3 4 1:0.7~1:2 6.5 DC×27 #11 7,500
Upper looper
SUBCLASS that best matches the processes in concern are permitted.
MO-6914S-BE4-40H 2 4 2.0 4.0 2 4 1:0.7~1:2 6.5 DC×27 #11 7,500
M~H extra high throw type
MO-6914S-BE6-40H 2 4 2.0 4.0 3 4 1:0.7~1:2 6.5 DC×27 #11 7,500

For gathering ★S162: Swing-type gathering device (manual-lever operated)

MO-6914S-BE6-327/
L~M 2 4 2.0 4.0 3 3.2 1:0.9~1:2.6 6 DC×27 #11 7,000
S162

For tape attaching ★G02, G39: Tape attaching presser foot ★3141: Tape guide

MO-6914S-BE6-44H/
G39/3141
2 4 2.0 4.0 3 3.2 1:0.7~1:2 7 DC×27 #14 7,000
Upper looper Blind hemming For gathering For rolling-in tape
M~H
MO-6914S-BE7-44H/ extra high throw type
MO-6905S-0E4-41H/L121 MO-6914S-BE6-327/S162 MO-6945S-ED4-360/N077
G02/3141
2 4 2.0 4.0 4 3.2 1:0.7~1:2 7 DC×27 #14 7,000
(L121: Blind stitch hemming attachment) (S162: Swing-type gathering device) (N077: Clean finish top and bottom)
■ SUBCLASS MACHINE LIST

Number Presser Max. Remarks Number Presser Max. Remarks

Number Number Needle Overedging of Stitch Bottom lifting sewing Number Number Needle Overedging of Stitch Bottom lifting sewing
Seams Model No. Materials of of gauge width (mm) feed dog length differential- amount Needle system speed Seams Model No. Materials of of gauge width (mm) feed dog length differential- amount Needle system speed
needles threads (mm) rows (mm) feed ratio (mm) (sti/min) needles threads (mm) rows (mm) feed ratio (mm) (sti/min)

<1-needle overlock> <Safety stitching>

For runstitching in general fabric For runstitching in general fabric
MO-6904S-0D4-300 1 3 –– 3.2 2 4 1:0.7~1:2 7 DC×27 #11 8,500 MO-6916S-DD6-300 2 5 3.2 3.2 3 4 1:0.7~1:2 7 DC×27 #11 8,000
MO-6904S-0E4-300 1 3 –– 4.0 2 4 1:0.7~1:2 7 DC×27 #11 8,500 MO-6916S-DD6-3F0 2 5 3.2 3.2 3 4 1:0.7~1:2 7 DC×27 #11 8,000 For soft-chains
MO-6904S-0F4-300 1 3 –– 4.8 2 4 1:0.7~1:2 7 DC×27 #11 8,000 MO-6916S-DE4-300 L~M 2 5 3.2 4.0 2 4 1:0.7~1:2 7 DC×27 #11 8,000
MO-6904S-0D6-300 1 3 –– 3.2 3 4 1:0.7~1:2 7 DC×27 #11 8,500 MO-6916S-DE6-300 2 5 3.2 4.0 3 4 1:0.7~1:2 7 DC×27 #11 8,000
MO-6904S-0E6-300 1 3 –– 4.0 3 4 1:0.7~1:2 7 DC×27 #11 8,500 MO-6916S-FF6-300 2 5 4.8 4.8 3 4 1:0.7~1:2 7 DC×27 #11 8,000
MO-6904S-0F6-300 L~M 1 3 –– 4.8 3 4 1:0.7~1:2 7 DC×27 #11 8,000 MO-6916S-BE4-40H 2 5 2.0 4.0 2 4 1:0.7~1:2 7 DC×27 #11 7,500
MO-6904S-0D4-3F0 1 3 –– 3.2 2 4 1:0.7~1:2 7 DC×27 #11 8,500 MO-6916S-DE4-40H 2 5 3.2 4.0 2 4 1:0.7~1:2 7 DC×27 #11 7,500 Upper looper
MO-6904S-0E4-3F0 1 3 –– 4.0 2 4 1:0.7~1:2 7 DC×27 #11 8,500 MO-6916S-DE6-40H 2 5 3.2 4.0 3 4 1:0.7~1:2 7 DC×27 #11 7,500 extra high throw type
For soft-chains
MO-6904S-0D6-3F0 1 3 –– 3.2 3 4 1:0.7~1:2 7 DC×27 #11 8,500 MO-6916S-FF6-40H 2 5 4.8 4.8 3 4 1:0.7~1:2 7 DC×27 #11 7,500
MO-6904S-0D4-3F6 1 3 –– 3.2 2 4 1:0.7~1:2 7 DC×27 #11 8,500 MO-6916S-DD6-500 M~H 2 5 3.2 3.2 3 4 1:0.7~1:2 7 DC×27 #16 8,000
For soft-chains MO-6916S-FF6-500 2 5 4.8 4.8 3 4 1:0.7~1:2 7 DC×27 #16 8,000
MO-6904S-0E4-4FH 1 3 –– 4.0 2 4 1:0.7~1:2 7 DC×27 #11 7,500 Upper looper
extra high throw type MO-6916S-DF6-50H 2 5 3.2 4.8 3 4 1:0.7~1:2 6.5 DC×27 #16 7,500
Upper looper
MO-6916S-FF6-50H 2 5 4.8 4.8 3 4 1:0.7~1:2 6.5 DC×27 #16 7,500 extra high throw type
MO-6904S-0E4-40H 1 3 –– 4.0 2 4 1:0.7~1:2 7 DC×27 #11 7,500 Upper looper
M~H MO-6916S-FH6-50H 2 5 4.8 6.4 3 4 1:0.7~1:2 6.5 DC×27 #16 7,500
extra high throw type
MO-6904S-0E6-40H 1 3 –– 4.0 3 4 1:0.7~1:2 7 DC×27 #11 7,500 MO-6916S-FF6-60H 2 5 4.8 4.8 3 4.5 1:0.9~1:1.7 5 DC×27 #21 7,000 For jeans
MO-6904S-0F6-500 1 3 –– 4.8 3 4 1:0.7~1:2 7 DC×27 #14 8,000 H Upper looper
MO-6916S-FH6-60H 2 5 4.8 6.4 3 4.5 1:0.9~1:1.7 5 DC×27 #21 7,000 extra high throw type
Upper looper
MO-6904S-0F6-50H 1 3 –– 4.8 3 4 1:0.7~1:2 7 DC×27 #14 7,500
extra high throw type
For gathering ★S159: Swing-type gathering device (interlocked with pedal) ★S161: Swing-type gathering device (manual-lever operated)

For blind hemming ★L121: Blind stitch hemming attachment MO-6916S-FF6-42H/

2 5 4.8 4.8 3 3.2 1:0.9~1:2.6 6 DC×27 #14 7,000
S159 Upper looper
MO-6905S-0D4-210/ M~H
1 3 –– 3.2 2 4 1:0.7~1:2 5.5 DC×27 #9 7,500 MO-6916S-DE4-42H/ extra high throw type
L121 Upper looper 2 5 3.2 4.0 2 3.2 1:0.9~1:2.6 6 DC×27 #11 7,000
M~H S161
MO-6905S-0E4-41H/ extra high throw type
1 3 –– 4.0 2 4 1:0.7~1:2 5.5 DC×27 #9 7,500
L121
For rolling-in tape ★N077: Clean finish top and bottom

For rolled hemming (folded downward) 2-needle type for

MO-6945S-ED4-360/
L~M 2 4 4.0 3.2 2 4 1:0.7~1:2 5 DC×27 #14 7,000 double-chainstitch
MO-6904S-0A4-150 1 3 –– 1.6 2 4 1:0.7~1:2 5 DC×1 #8 8,500 N077
on pocket bags
EL~L
MO-6904S-0A5-150 1 3 –– 1.6 1 4 1:0.7~1:2 5 DC×1 #8 8,500
✽ “sti/min”stands for “Stitches per Minute.”

<2-needle overlock>
For runstitching in general fabric
MO-6914S-BD4-307 2 4 2.0 3.2 2 4 1:0.7~1:2 6.5 DC×27 #11 8,000
MO-6914S-BE4-307 2 4 2.0 4.0 2 4 1:0.7~1:2 6.5 DC×27 #11 8,000
MO-6914S-BD6-307 L~M 2 4 2.0 3.2 3 4 1:0.7~1:2 6.5 DC×27 #11 8,000
MO-6914S-BE6-307 2 4 2.0 4.0 3 4 1:0.7~1:2 6.5 DC×27 #11 8,000
Diversified subclass machines are available. The selection of a machine
MO-6914S-BE6-20H 2 4 2.0 4.0 3 4 1:0.7~1:2 6.5 DC×27 #11 7,500
Upper looper
SUBCLASS that best matches the processes in concern are permitted.
MO-6914S-BE4-40H 2 4 2.0 4.0 2 4 1:0.7~1:2 6.5 DC×27 #11 7,500
M~H extra high throw type
MO-6914S-BE6-40H 2 4 2.0 4.0 3 4 1:0.7~1:2 6.5 DC×27 #11 7,500

For gathering ★S162: Swing-type gathering device (manual-lever operated)

MO-6914S-BE6-327/
L~M 2 4 2.0 4.0 3 3.2 1:0.9~1:2.6 6 DC×27 #11 7,000
S162

For tape attaching ★G02, G39: Tape attaching presser foot ★3141: Tape guide

MO-6914S-BE6-44H/
G39/3141
2 4 2.0 4.0 3 3.2 1:0.7~1:2 7 DC×27 #14 7,000
Upper looper Blind hemming For gathering For rolling-in tape
M~H
MO-6914S-BE7-44H/ extra high throw type
MO-6905S-0E4-41H/L121 MO-6914S-BE6-327/S162 MO-6945S-ED4-360/N077
G02/3141
2 4 2.0 4.0 4 3.2 1:0.7~1:2 7 DC×27 #14 7,000
(L121: Blind stitch hemming attachment) (S162: Swing-type gathering device) (N077: Clean finish top and bottom)
■ DEVISES AND ATTACHMENTS The machine ensures both beautiful and upgraded seam quality at higher speeds.
Model Part No. Description
[Reference] Since the machine comes with a needle-thread take-up mechanism as well as a looper thread take-up mechanism, to offer
Chain-off thread trimming device
Combination table of “chain-off thread suction device” and upgraded responsiveness from light- to heavy-weight materials with a lower applied tension, it achieves well-tensed soft-
MAT-039001A0 One-touch type tape cutter For 110, 115, 220, 240V
and chain-off thread “auto-lifer” which correspond to “chain-off thread trimming device”. feeling seams that flexibly correspond to the elasticity of the material at the maximum sewing speed of 8,000 to 8,500sti/min.
T039
MAT-039002A0
trimming device
For 220, 380, 415, 440V
To offer improved sewing capabilities as well as to prevent stitching misshapes, the machine is equipped as standard with
(electromagnetic type) the needle thread heat remover and needle cooler.
MAT-040001A0 Automatic tape cutter For semi- For 110, 115, 220, 240V Chain-off Chain-off
+ chain-off thread sunken type For 220, 380, 415, 440V thread thread
MAT-040002A0 Auto-lifter Needle thread
trimming device trimming suction
T040
MAT-040001AA (number-off-stitch For 110, 115, 220, 240V device device heat remover
For fully-
control and electro- MC-7A AK101 (JUKI servomotor)
MAT-040002AA sunken type For 220, 380, 415, 440V
magnetic type)
T039 MC-8 AK101 (JUKI servomotor)
T041 MAT-041000A0A Pneumatic flat cutter
MC-9 –– (MC-9 is equipped with auto-lifter.)
T042 MAT-042000A0 Pneumatic side cutter (for overlock machine)
Blower-type chain-off thread suction device
MC-7A –– Blower-type chain-off thread suction device + cloth chips MC-7A AK32 (any motor will do)
Pneumatic chain-off thread suction device T040 MC-5 AK32 (any motor will do) Needle cooler
MC-4 –– Specific to chain-off thread, pedal-operated MC-24 AK32 (any motor will do)
MC-5 –– Specific to chain-off thread
MC-8 –– Pneumatic chain-off thread + cloth chips
MC-9 –– Function of MC-8 + auto-lifter AK49 (Motors other than JUKI servomotors
MC-7A are applicable.) Runstitching in general fabric
MC-24 –– Pneumatic chain-off thread + cloth chips
T041 AK101 (JUKI servomotor) MO-6914S-BE6-307
✽The aforementioned devices are not equipped with air regulator.
or MC-4 ––
Please purchase the following components when you need to regulate air pressure.
T042
MC-8 AK101 (JUKI servomotor)
–– PF-0552010-B0 Air regulator (F.R. unit asm.)
MC-9 –– (MC-9 is equipped with auto-lifter.)
–– GMD-01080000×2 Fixing screw for F.R. unit asm.
–– F1021-003-000 Tube connector (male)
––
GAS-12063000✽
One-touch connector The machine has been developed with the intention of providing an extended service life.
✽Selection parts instead of the tube connector The machine incorporates various mechanisms as standard, such as a differential-feed micro-adjustment mechanism and
Auto-lifter an external adjustment mechanism for adjusting the feed dog inclination as well as increasing the differential feed ratio,
AK32 GAK-320000A0 Pneumatic type (knee-operated) which can be easily adjusted to finish seams that perfectly match the material to be used. Comfortable operation is all
AK49 GAK-490000A0 Pneumatic type (pedal-operated) but guaranteed, by a wider area around the needle entry, the adoption as standard of a micro-lifter feature that offers
AK101 GAK-A01000A0 Pneumatic type (for servomotor)
improved responsiveness to materials and provides the operator with upgraded operability, and by the reduction of
Model Part No. Description Feature operating noise and vibration, which has been achieved by designing an optimally balanced machine.
Gathering device
Swing-type gathering device The attachment opens with the presser foot pedal. This facilitates material
S159 MAS-159000A0
(interlocked with pedal / for safety stitch machine) setting on the machine. Furthermore, knee-control type differential-feed
Swing-type gathering device adjusting device is built in the attachment. It controls a differential-feed ratio as
S160 MAS-160000A0 desired, thereby enabling the operator to make beautiful gathers.
(interlocked with pedal / for overlock machine) Micro-lifter
Swing-type gathering device The attachment is used to perform two different processes, joining fabric Differential-feed
S161 MAS-161000A0
(manual-lever operated / for safety stitch machine) process and gathering process, at a time. micro-adjustment mechanism
Swing-type gathering device The attachment can be opened/closed by using the lever (manually operated).
S162 MAS-162000A0 The differential-feed ratio is controlled with the knee lever.
(manual-lever operated / for overlock machine)
Blind hemming device
L121 MAL-121000A0 Blind stitch hemming attachment A ruler used for blind hemming in knits
Piping folder
M056 MAM-0560J0A0 Piping folder This piping folder makes a piping first, then turns up the tape.
This attachment can be used for both “cotton bias tape with gimp” and “knit tape”.
M075 MAM-0750J0A0 Piping folder (to be used with knit tape)
The operation mode can be changed over with a fingertip control.
M076 MAM-0760N0A0 Ready-made piping folder The dimension of ready-made tapes can be adjusted within the range of 8 to 13mm.
M077 MAM-0770M0A0 Piping folder for gathering The attachment makes gathers on the lower fabric while making decorative piping.
Guide, Ruler
H153 MAH-153000A0 Cloth edge guide ruler (for overlock machine)
A swing type edge guide.
Further increased reliability. Devices intended for conventional JUKI
H154 MAH-154000A0 Cloth edge guide ruler (for safety stitch machine) The introduction of a shield-structured needle bar machines are also interchangeable.
3141 MA3-141000B0 Tape guide
This attachment is used attached on the machine head (face plate).
It is used for tapes with the width of 7mm or less.
mechanism and upper and lower needle bar bushings, Gauges and devices you have used with your existing
contributes to increased durability and reliability. JUKI machines are also interchangeable with no
Feller, Binder
K006 MAK-00601000 Upturn feller This feller is exclusively used with the 3C0 throat plate. It is attached on the throat plate.
Additionally, the machine incorporates an improved additional machining required (excluding the LB
N067 MAN-0670D0A0 Reinforcement tape attachment binder (finished width: 4mm) This binder binds the edge of a pocket bag while cutting round its periphery. feed mechanism and upper looper unit as well as Series). This eliminates both the waste of resources
coming standard with a cartridge type oil filter and and unwanted extra costs.
cooling fan, thereby ensuring enhanced reliability.

Upper needle bar

bushing

Lower
needle bar
bushing
 ■ WHEN YOU PLACE ORDERS
Please note when placing orders, that the model name should be written as follows:

Stitch type U.S.A Code Type Code Device and attachment Code
1-needle overlock 504 04 Standard S Tape attaching presser foot / Tape guide G02/Q141
High-quality machine with easier operation and increased reliability. 1-needle overlock
for blind hemming
505 05
Tape attaching presser foot (for sewing sharp curves)/ Tape guide G39/Q141
Blind stitch hemming attachment L121
2-needle imitation
512 12 Swing-type gathering device
safety stitch S159
The MO-6900S Series is a new and 2-needle overlock 514 14
(interlocked with pedal / for safety stitch machine)
Swing-type gathering device
S161
powerful overlock/safety stitch machine 2-needle safety stitch 516 16 (manual-lever operated / for safety stitch machine)
3-needle safety stitch 43 Swing-type gathering device
S162
that has been developed to offer increased 2-needle double chain stitch 45
(manual-lever operated / for overlock machine)
Clean finish top and bottom N077
reliability and ease-of-use, while upgrading
seam quality at higher sewing speeds.
It responds to a wider range of materials MO69 S /
and processes to finish high-quality
soft-feeling seams. With the operating Needle Overedging
Feed dog Code Material Application
Special machine
Code
gauge (mm) width (mm) classification
noise having been reduced and –– 1.6 2-row 0A4
Extra light- to
Light-weight
materials such as Rolled hemming Standard 150
–– 1.6 1-row 0A5 light-weight
men's shirts
increased durability ensured, –– 3.2 2-row 0D4
Light- to
Specific to knits Runstitching Upper looper extra high throw 20H
–– 3.2 3-row 0D6 medium-weight
the cost-effective MO-6900S
–– 4.0 2-row 0E4 Runstitching Standard 300
Series is a leading machine –– 4.0 3-row 0E6 Runstitching Upper looper high throw 307
–– 4.8 2-row 0F4 Gathering Upper looper high throw 327
in the new era. –– 4.8 3-row 0F6
Light- to For general
medium-weight fabrics Rolling-in tape Standard 360
2.0 3.2 2-row BD4 Soft-chain Standard 3F0
2.0 3.2 3-row BD6 Throat plate and feed dog
Soft-chain 3F6
both provided with a lip
2.0 4.0 2-row BE4
Runstitching Upper looper extra high throw 40H
2.0 4.0 3-row BE6
MO-6904S 2.0 4.0 4-row BE7
Specific to knits
Blind hemming Upper looper extra high throw 41H
Gathering Upper looper extra high throw 42H
2.4 4.0 2-row CE4 such as sweaters
Tape attaching Upper looper extra high throw 44H
3.2 3.2 3-row DD6
Soft-chain Upper looper extra high throw 4FH
3.2 4.0 2-row DE4 Medium- to
heavy-weight Runstitching Standard 500
3.2 4.0 3-row DE6 Medium- to
heavy-weight Runstitching Upper looper high throw 507
3.2 4.8 3-row DF6
materials such as Runstitching Swim suits 50F
4.0 3.2 2-row ED4 denim
Runstitching Upper looper extra high throw 50H
4.8 4.8 3-row FF6
For heavy-weight
4.8 6.4 3-row FH6 Runstitching Upper looper extra high throw 60H
materials
4.8+2.0 3.2 3-row 1D6

■ AC SERVOMOTOR
● Machine head

MO69 S / /SY35

Built-in synchronizer
Set speed ✽ Code
MO-6904S 8,000sti/min
SY35
MO-6914S, 6916S 7,500sti/min
✽Select a sewing speed that is lower than the
machine head's maximum sewing speed by
500sti/min.

MO-6916S ● To order, please contact your nearest JUKI distributor.

 ■ SPECIFICATIONS

Stitch type
Model name MO-6904S
1-needle overlock
MO-6914S
2-needle overlock
MO-6916S
Safety stitching
MO-6900S Series
Super-high-speed, Overlock / Safety Stitch Machine
Stitch style in the U.S.A. 504 514 516
Max. sewing speed 8,500sti/min✽ 8,000sti/min✽ 8,000sti/min✽
Stitch length 0.8~4mm 1.5~4mm
Needle gauge (mm) –– 2.0, 2.4, 3.2 2.0, 3.2, 4.0, 4.8, 4.8+2.0
Overedging width (mm) 1.6, 3.2, 4.0, 4.8 3.2, 4.0, 4.8 3.2, 4.0, 4.8, 6.4
Differential feed ratio For gathering 1:2 (max. 1:4), For stretching 1:0.7 (max. 1:0.6)
Needle bar stroke 24.5mm
Inclination angle of the needle 20°
Needle bar bushing Upper/lower bushing method
Needle DC×27(excluding some subclass model)
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
Differential-feed adjusting method By lever (with micro-adjustment)
Weight of the machine head 28kg
Lubrication Automatic
Lubricating oil JUKI Machine Oil 18 (equivalent to ISO VG18)
Needle cooler Provided as standard (excluding MO-6945S)
Needle thread heat remover Provided as standard (excluding MO-6945S)
Micro-lifter Provided as standard

✽ “sti/min”stands for “Stitches per Minute.”

MO-6914S
Juki Corporation operates an environmental management system
to promote and conduct the following as the company engages in
the research, development, design, sales, distribution, and
maintenance of industrial sewing machines, household sewing
machines, industrial robots, etc., and in the provision of sales and
maintenance services for data entry systems:
➀The development of products and engineering processes that
are safe to the environment
➁Green procurement and green purchasing
➂Energy conservation (reduction in carbon-dioxide emissions)
➃Resource saving (reduction of papers purchased, etc.)

MO-6900S Series
➄Reduction and recycling of waste
➅Improvement of logistics efficiency (modal shift and improvement
of packaging, packing, etc.)

2-11-1, TSURUMAKI, TAMA-SHI,

TOKYO 206-8551, JAPAN
PHONE : (81) 42-357-2254
FAX : (81) 42-357-2274 High-quality machine with easier operation and increased reliability.
INDUSTRIAL SEWING MACHINE DIV. http://www.juki.com
✽ Specifications and appearance are subject to change without prior notice for improvement.
✽ Read the instruction manual before putting the machine into service to ensure safety.
✽ This catalogue prints with environment-friendly soy ink on recycle paper.
APRIL, 2010 Printed in Japan(A)