Juki MO644d Vs Brother 1034D Comparison In Detail

Juki MO644D Vs Brother 1034D Comparison In Detail


If you are searching for a Juki serger in US, you are bound to come across MO644D. The reason is its quality and affordability. Similarly, if you are searching for an entry level serger in US, you will come across Brother 1034D. Its popularity is huge. What worked for the Brother serger was its quality, ease of use and affordability (it is a killer combination). Juki MO644D and Brother 1034D are two champion sergers, so their comparison will always be very interesting. 

Juki MO644D Vs Brother 1034D - Major Feature Differences

In terms of features, there are some apparent differences. The design, set up and location of controls are all different. But still, both machines have all the basic features that you normally expect from a serger. Let us have a look at major feature differences.

Stitch Configuration

The most apparent difference between Juki MO644D and Brother 1034D is in the stitch configuration. MO644D is a 2/3/4 thread serger, whereas 1034D is a 3/4 thread serger. Even though 2 thread is not a great option for strong seams, it  gives you an option to add some good looking edges. Especially when you want to enhance the look of your project without adding a lot of weight to the fabric. According to me, the 2 thread option is not a feature that I would cry for, but it is always a nice addition to have.

Stitching Speed

The next important difference is the stitching speed. Juki MO644D has a motor that can stitch at a speed of 1,500 Stitches/Min. Brother 1034D can stitch at a maximum speed of 1,300 Stitches/Min. So on paper, Juki MO644D is the faster serger.

Stitch Width and Length

The overlock width on Juki MO644D is Needle: 4mm and Rolled Hem: 2mm. The overlock seam width on Brother 1034D is 5.0 - 7.0mm from left needle.

The stitch length on Juki MO644D is Max: 4mm, Standard: 2.5mm and Left Needle: 6mm / Right. On Brother 1034D, the stitch length is 2 - 4 mm (for overlock stitch), 1-2 mm (for narrow stitch), 1 mm (for roll stitch).

Serger Weight

Brother 1034D is 1.55 lbs lighter than Juki MO644D. So if you plan to take your serger to sewing classes, the weight is something that you need to consider. In that case, the lighter 1034D will be a better option.

Free Arm

Free arm is a feature that lets you sew cuffs, sleeves and other circular areas. Brother 1034D has a free arm and Juki MO644D doesn't. 

Needle Adjustment

Juki MO644D has individual screws for needle adjustment. However on 1034D, there is only one screw to adjust or remove both needles.

Editor comment

Both sergers provide excellent stitch quality (which is why they are so popular). I will rate Brother 1034D slightly higher than Juki MO644D in terms of user friendliness. On the Brother machine, every control is located in an easily accessible location. On MO644D, some adjustments need extra time. For example, to adjust stitch length you need to open the side door. On 1034D, you can easily adjust the stitch length by using the switch on the side. Where Juki scores is in the extra 2 thread option and in fast stitching. 

Both machines have their own merits and demerits. So it is very difficult to give a recommendation, as I don't know your preferences. You can make the decision by considering your preferences and budget.

Side by side comparison

FeatureJuki MO644DBrother 1034D
TypeSergerSerger
Stitch Configuration2/3/4 thread3/4 thread
Overlock Seam WidthLeft needle: 6mm/Right Needle: 4mm Rolled Hem: 2mm5.0 - 7.0mm from left needle
Differential FeedYes, 0.7 - 2.0 RatioYes, 0.7 - 2.0
Adjustable Stitch Length/WidthYesYes
Color Coded ThreadingYesYes
Stitch LengthMax 4mm2.0 - 4.0 mm (for overlock stitch), 1.0-2.0 mm (for narrow stitch), 1.0 mm (for roll stitch)
Adjustable Presser Foot PressureYesYes
Free ArmNoYes
Motor Power1,500 rpm1,300 Stitches/min
Work LightYesYes Bulb
Feed DogDifferential Feed
Machine Weight15 lbs13.45 lbs

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