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Forum > Sergers, Coverstitch and Blindhemmers > Juki serger 644D vs 654D ( Moderated by CarolynGM, Deepika)

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Juki serger 644D vs 654D
saeaton
saeaton
Member since 3/4/10
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Date: 5/15/11 1:53 AM

I'm about to purchase my very first serger and have narrowed it down to the Juki 644d or 654d, but i cant really tell what the difference is between these two sergers? I read some reviews and it looks like there is a safety mechanism on the 654 and some say it's easier to thread. Can anyone who have used theses sergers tell me if the 654 is better than the 644 (ie alot more user friendly) and if it's worth getting the 654 vs the 644. The 654 is approximately $100 more than the 644. Thanks in advance for anyone who can help me :)

Betakin
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Betakin
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Arizona USA
Member since 4/22/04
Posts: 7282
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In reply to saeaton
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Date: 5/15/11 3:32 AM

I have never used either of these models and I don't have a local Juki dealer but I did compare their features on line awhile back and it seems that I noticed that the 654 on the inside left of the machine had a numbered knife cutting width dial where on the 644 the dial was not numbered and I don't like guess work. I tried to find the pictures of this tonight but I have forgotten which site that I had used at the time that I did compare these sergers when they were made in Japan but I think now they are manufactured in China.
The 654 is considered to be in Juki's Pearl line of sergers where the 644 I think is considered their Garnet line which seems to me that the Pearl line is considered better but I don't know what makes them so other than a few added extra's.
I do believe though that the 2 thread converter which is needed for disabling the upper looper for 2 thread serging is an option and not included with the 644 but is included with the 654. I also noted that the 654 is said to have a self threading looper where I did not see that described in the specs of the 644.
It seems that owners of both models enjoy and praise each but though I don't need a new serger at this time, I did decide that when the time comes that I might go with the Jiki 654..or maybe even the 5 thread 655.
I hope you decide which is best for you.
-- Edited on 5/15/11 3:36 AM --

Sew Nanny
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Sew Nanny  Friend of PR
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Member since 8/13/06
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Date: 5/15/11 9:28 AM

I can't speak to these two models, but I currently own a Juki MO-734DE that is comparable to the Bernina 1150MDA. It's a great serger. You might want to take a look at the PR Classified section.

------
Patricia
Bernina B780E ~ Bernina B380 ~ Juki MO-735
Bernina DesignerPlus 7

"It is better to light a candle than curse the darkness." Eleanor Roosevelt

Warbler
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Warbler  Friend of PR
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Vermont USA
Member since 4/15/07
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In reply to saeaton
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Date: 5/15/11 4:49 PM

I copied this from the Juki Website maybe this will help but a quick scan looks as if the 654 has more stitches and micro safety switch and the ability to disengage loopers for threading. I think with the 644 in order to get 2 thread options one needs to get 2-3 thread selector. I think that means it is a separate purchase.... I could be wrong.

Personally, I would go for the MO654DE

Juki 644d Features:

Snap-On Presser Feet
Color Coded Thread Paths
Built-in rolled hemming
2/3/4 Thread options
Industrial Tension System
Industrial Cutting System
Sewing Guage built-in for accurate seams
Fast 2-Thread Conversion optional
Differential Feed

Stitches:
4-Thread Overlock
3-Thread Flatlock
3-Thread Narrow Overlock
3-Thread Overlock
3-Thread Rolled Hem
2-Thread Rolled Hem optional
2-Thread Overcast optional

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


Specifications:
Sewing Speed Max. 1500rpm
Stitch Length Max.4mm
Standard 2.5mm
Overlocking Width Left Needle: 6mm / Right Needle: 4mm
Rolled Hem: 2mm
Differential Feed: 0.7 : 2.0 Ratio
Presser Foot Lift 5mm
Dimensions (mm) 270mm x 345mm x 295mm
Weight (machine) 7.0 kg (15.0 lbs.)
Needles: Household #11~#14
2/3 thread selector optional


Juki 654DE

Snap-On Presser Feet
Color Coded Thread Paths
Disengaging loopers for
fast, easy threading
Built-in rolled hemming
2/3/4 Thread options
Industrial Tension System
Industrial Cutting System
Sewing Guage built-in for accurate seams
Fast 2-Thread Conversion
Differential Feed
Micro Safety Switch

Stitches:
4-Thread Overlock
3-Thread Flatlock
3-Thread Narrow Overlock
3-Thread Overlock
3-Thread Rolled Hem
2-Thread Rolled Hem
2-Thread Overcast

Included Accessories:
Presser foot
Large screwdriver
Small screwdriver
Spare lower knife
Spool caps
Oiler
Thread nets
Vinyl cover
Needle pack
Tweezer
Brush & needle inserter
Needle threader
Guide bar
2/3 thread selector
Accessory pouch
Light bulb
Instruction manual
Foot control & power cord

Specifications:
Sewing Speed Max. 1500rpm
Stitch Length Max.4mm
Standard 2.5mm
Overlocking Width Left Needle: 6mm / Right Needle: 4mm
Rolled Hem: 2mm
Differential Feed: 0.7 : 2.0 Ratio
Presser Foot Lift 5mm
Dimensions (mm) 315mm x 345mm x 295mm
Weight (machine) 7.2 kg (15.5 lbs.)
Needles: Household #11~#14

------
Janome MC6600 Bernina 240 Juki MO735 Singer 201-2 Singer 221-1

maryl
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maryl
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Massachusetts USA
Member since 6/24/05
Posts: 528
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Date: 5/16/11 4:58 PM

I have the 654 (which I LOVE). The lower looper snaps into view for easy threading, and I don't think that is the case with the 644. I have never used the 644 but I can attest that the 654 is a wonderful serger--better, I think, than my old Evolve.

Invisigal
Invisigal
Intermediate
Member since 11/7/09
Posts: 626
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In reply to maryl


Date: 5/16/11 5:51 PM

When I purchased a serger several months ago, I was down to these two models and had the same question. I was buying mine sight unseen, so I called the dealer and he told me that basically it was the quality, that I would be able to hear and tell the difference if I tried both models out side by side. I went with the 654 and have not been disappointed.

pinkymom
pinkymom
Beginner
Member since 4/9/11
Posts: 180
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Date: 5/18/11 8:55 AM

I was in the same boat and while searching I found this chart that compares the Juki sergers http://www.allbrands.com/misc_files/charts/juki_home_serger.html.

I ended up buying the 654D and I am very happy. Although I wished I had purchased the 655.

------
Bernina 200E, 750E, 1150MDC, Babylock Evolution, BLCS2, Juki 2010q, Simplicity Blindsticher.


saeaton
saeaton
Member since 3/4/10
Posts: 2
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Date: 5/20/11 1:45 AM

Wow, you guys are awesome! Thanks for all the feedback. I have decided to buy the 654D. I put my order in and cant wait to use it. I'll do a review of it once i'm play with it. Thanks again!

runnerchicki
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runnerchicki  Friend of PR
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Member since 1/27/04
Posts: 1055
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Date: 6/2/11 12:41 PM

deleted because I had the model numbers mixed up when I originally replied! time to get another cup of coffee lol.
-- Edited on 6/2/11 12:42 PM --

------
There's no such thing as too much fabric.

preciousjamie
preciousjamie
Member since 10/29/11
Posts: 3
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Date: 10/29/11 6:22 PM

Hello all! New to this site, and in dire need of help! I have had this serger (Juki MO654 DE) for the past five years. Once any of my threads break, I cannot for the life of me get it rethread. I usually fuss with it for a half hour, come back to it the next day and fuss with it. After a while, somehow I magically get it thread. After all this time, I still cannot figure out how.

I am wondering what I am doing wrong. My red thread seems to be the one I mess with the most. If that or the blue one breaks, I cannot figure them out. Do I have to thread them in a certain order? Like, if the red thread breaks, do I have to take out the blue one to rethread the entire thing?

Do I have to put the red thread over the blue thread? Do I need to advance the needles so they cross at a certain point?

I just cannot figure this out, and it is seriously annoying me that I have to spend so much time threading this instead of using it! LOL

Once it is thread, I love the machine and the quality of stitch/tension is usually perfect, but for some reason this is a stumbling block for me.

Any tips???

Please help! :-)

Thank you in advance!

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