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Easy to set up, and easy to use, the reliable Brother 1634D serger is perfect for finishing, creating rolled hems, inserting zippers, stitching neat blind hems, and creating ruffles on both knits and woven fabrics. This machine allows you to work with three or four threads, with 1-needle 3-thread, or 2-needle 4-thread options. Included are a standard foot, blind stitch foot, gathering foot, soft cover, and useful accessories. The 1634D features an easy to follow, color-coded lay-in threading system, a removable free arm for cuffs, sleeves and cylindrical projects, and a convenient removable trim trap. The included instructional video and printed manual make it easy to get started, even for those new to using a serger.
  • Two needles and 3-4 thread
  • Color-coded guides for easy threading
  • Free-arm to access hard-to-reach areas
  • Differential fabric feed for better stitch quality
  • Fast and simple threading of lower loop
  • Retractable knife blade
Basic Features back to top
Stitch Select Dial
Lighting Bulb

Sewing Features back to top
Maximum Sewing Speed (Stitches Per Minute) 1,300
Feed Dog Differential Feed
Stitch Width (mm) 5.0 - 7.0 mm from left needle
Stitch Length (mm) 2.0 - 4.0 mm (for overlock stitch), 1.0-2.0 mm (for narrow stitch), 1.0 mm (for roll stitch)
Presser Foot Pressure Adjustment Yes
Specialty Feet Included Yes (Additional specialty feet may be available. See Optional Accessories)

Carton Contents back to top
Accessory Storage Yes
Included Accessory Feet Standard foot, blind stitch foot, gathering foot
Other Included Accessories 4 large spools of serger thread, soft cover, accessory bag with needle set, 4 thread nets, 4 thread spool caps, 4 thread nets, tweezers, cleaning brush, hexogonal driver, trim trap, foot controller pedal, instruction DVD, instruction manual

Warranty 25 year limited warranty
Machine Dimensions (H x W x D) 11.73" x 10.98" x 13.19"
Machine Weight 13.45 lbs.
Shipping Dimensions (H x W x D) 14.37" x 15.35" x 17.32"
Shipping Weight 19.84 lbs.
UL/CSA Listed Yes, 110v

Serger Features back to top
Overlock Seam Width 5.0 - 7.0mm from left needle
Double Chain Stitch No
Cover Stitch No
2/3/4 Thread Change No
Differential Feed 0.7 - 0.2
Change for Rolled Hemming Removable
Underlooper Threader Yes
Stitch Fingers 1
Knife Drive Type Lower drive

Please click on the categories below to view the optional accessories for the 1634D

ETP333 Amber Red 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

N5689 Aqua (6-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP405 Blue 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP328 Brass 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP339 Clay Brown 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

N5672 Coffee (6-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP070 Cornflower Blue 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP010 Cream Brown 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP058 Dark Brown 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP107 Dark Fuchsia 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

N9020 Dark Red (6-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP214 Deep Gold 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETC950 Denim Variegated Cotton Embroidery Thread - 6 Pack / 500 Yds each

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP420 Electric Blue 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP507 Emerald Green 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP027 Fresh Green 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP124 Fresh Pink 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP206 Harvest Gold 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

N5600 Ice (6-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP348 Khaki 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETK5865 King Spool Polyester Aged Charcoal (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETK5596 King Spool Polyester Black (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETK5549 King Spool Polyester Burgundy (3-Spool Pack)

ETK5637 King Spool Polyester Espresso Skylight (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETK5615 King Spool Polyester Evergreen (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETK5553 King Spool Polyester Flesh Pink (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETK5600 King Spool Polyester Ice Blue (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETK5685 King Spool Polyester Jamie Blue (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETK5540 King Spool Polyester Kelly (3-Spool Pack)

ETK5603 King Spool Polyester Light Navy (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETK5763 King Spool Polyester Merit Gold (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETK5554 King Spool Polyester Purple (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETK5566 King Spool Polyester Radiant Red (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETK5782 King Spool Polyester Skylight (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETK5597 King Spool Polyester Snow White (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETK5573 King Spool Polyester Tan (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP509 Leaf Green 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP202 Lemon Yellow 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP017 Light Blue 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP323 Light Brown 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP307 Linen 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP502 Mint Green 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP208 Orange 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP415 Peacock Blue 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP085 Pink 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP007 Prussian Blue 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP126 Pumpkin 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP337 Reddish Brown 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP330 Russet Brown 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP079 Salmon Pink 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP005 Silver 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP019 Sky Blue 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP209 Tangerine 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP406 Ultramarine 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP030 Vermillion 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP399 Warm Gray 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP001 White 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.

ETP205 Yellow 100% Polyester Color Fast, High Shine Embroidery Thread (3-Spool Pack)

Brother embroidery threads are compatible with all Brother embroidery and sewing machines.


SA212 Elastic Foot for Serger

Genuine Brother® Accessory. Attach and sew elastic or tape in one easy step with your overlock machine. Adjustable stitch width up to 12mm. Channel on foot secures elastic or twill tape to fabric eliminating the need for pins as you created a serged edge. Gathers knits as elastic is attached.

SA213 Gathering Foot for Serger

Genuine Brother® Accessory. Gathering and edge finishing in one operation. Serge finish fabric edges with this snap on foot. Channel on foot secures fabric elimnating the need for pins as you create a serged edge and gather single or double layers of fabric. Connect fabric layers and edge finish in one step.

SA211 Pearl Sequence Foot for Serger

Genuine Brother® Accessory. Holds and guides pearls as you use your overlock machine. Guides up to 5mm stranded pearls for one step attachment. Channel for pearl feeding. Adjustable stitch length avoids needle breakage.

SA210 Piping Foot for Serger

Genuine Brother® Accessory. Guide and hold narrow piping as you use your overlock machine. Create your own piping using fabric strips and piping cord. Holds and guides piping eliminating the need for pins as piping and fabric are serged together. Guide and hold zipper in place with guide on the underside of foot to hold teeth of zipper foot in place as zipper and fabric are serged together.

Rated 5 out of 5 by from Very pleased with my purchase This is my first use of a serger. I been using a Brother sewing machine for about 5 years and really love it, so when I started looking for a serger, I wanted to look at Brother first. I read other reviews to help decide. When I made my purchase, I read through the entire user guide, threaded the machine as directed and tested on scraps. I was able to have successful results the first time. I have found when I use different weights of fabric I have best results when I refer to the user guide to determine the appropriate needles, thread weight and tension. Then I test on scraps until I get the correct tensions for the results for which I am looking. I am still learning and experimenting with what I can do with my Brother Serger but I have been very pleased with my purchase.
Date published: 2017-08-15
Rated 5 out of 5 by from Extremely pleased I am very pleased with this machine. It's my first serger and it works like a dream. The picture threading instructions were a touch confusing, but overall very simple to thread and use. Love it!!
Date published: 2017-08-07
Rated 5 out of 5 by from Loving It I have recently learned to sew using a step by step guide book and decided a serger was my next machine to conquer. While the 1634D doesnt do a cover stitch, it does any other stitch I have come across. This is a great machine to learn my new skill because once I figured out how to thread it properly, I have been able to sew nonstop. One word of advice, oil the parts before anything else if you want a smooth running operation.
Date published: 2017-07-30
Rated 4 out of 5 by from Very Nice Machine I really like this machine and it seems fairly easy to operate. The only problem I have had is finding instructions to use it in video form. I wish it came with a tutorial!
Date published: 2017-07-29
Rated 5 out of 5 by from Love my serger I Love my Brother serger. I am new to serging so I saw many online videos to help me thread. Now I enjoy serging more than regular sewing. The price was the most affordable than any other brand and since my sewing machine is Brother (and it's been great) I knew It would've a good buy :)
Date published: 2017-07-25
Rated 5 out of 5 by from Wish I had purchased sooner. I love this machine. sew baby clothes for a charity, Makes sewing faster and gives good, secure seams.
Date published: 2017-07-12
Rated 5 out of 5 by from Excellent !!! Easy to use. The stitching has a very professional appearance. I am very pleased with the performance of the machine
Date published: 2017-07-12
Rated 4 out of 5 by from Brother 1634D Serger So far, I am loving my new Brother Serger. I previously had a Singer Serger, but it just got old. Since I had experience with one, I didn't find it difficult to operate. I love the professional stitching. I plan on learning how to use the gathering feature in the near future.
Date published: 2017-07-07
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