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This new Brother top of the line serger will add a professional look to your next project with serged seam finishes. Garment seams lie flatter and look better with an overlock stitch. Plus, home décor projects often suggest the use of a serger for rolled hems and secure seams and differential feed. Choose from a 2, 3 or 4 thread look and enjoy the new easy one-touch needle threader for threading two needles. The 4234DT features two needles with a differential feed ratio of 0.7 to 2.0 for improved stitch quality. Create stitches from 2.0mm to 4.0mm in length and 5.0mm to 7.0mm in width. The included large extension table adds extra space for handling large projects and the free arm makes it easier to sew sleeves, trouser legs and other hard to reach places.

  • Included extra large 14x10" extension work table with full accessory storage.
  • Easy Innovis one-touch needle threading for two needles
  • Two needles and 2-3-4 thread stitch configurations
  • Two stitch fingers for narrow and wide stitches
  • 2 LED Bright Light work area
  • Color-coded thread path guides for easy threading
  • Presser foot pressure adjustment dial to aid feeding of thick to thin fabrics
  • Free-arm cylinder tubular serging for cuffs, sleeves, and pantlegs
  • Differential feed to gather or keep fabrics from puckering
  • Up to 1300SPM Stitches Per Minute
  • Trim Trap Insert to catch cuttings
  • Blind Hem Foot
  • Gathering Foot
  • Regular Serger Foot
  • Stitch Length 2.0 to 4.0mm
  • Stitch Width 5mm to 7mm

    • 2/3/4 thread (1 or 2 needles)
    Multiple thread options allow you to easily convert between 2, 3 or 4 thread stitches for professional finishes.

    •Easy one-touch needle threading for two needles
    Easy-to-use in either needle position and easy on eyes and fingers.

    •Included large extension table
    Expands your work area and makes for greater fabric control while overlocking.

    •Two stitch fingers
    Adjust thread tightness for perfectly formed stitches on varying fabric thicknesses.

    • Bright work area
    Dual level bright LED lighting helps reduce eye strain.

    •Presser foot pressure adjustment dial
    Change settings to accommodate varying fabric thicknesses.

    •Stitch length from 2.0mm to 4.0mm
    Suitable for any type of project and easily adjustable with stitch length dial.

    •Stitch width from 5.0mm to 7.0mm
    Adjustable to provide the perfect stitch width, especially on lightweight fabrics or to create the popular rolled hem on napkins and tablecloths.

    •Differential feed ratio of 0.7 to 2.0
    Improves stitch quality on all types of fabric and acts as the tool for custom lettuce edge finishes on specialty fabrics.

    •Color coded thread guides
    Allows for easy upper and lower looper threading and quick thread changes with all thread types.

    •Up to 1,300 stitches per minute
    Saves time when sewing and completing serged edges.

    •Free-arm serging
    Removable table section makes serging cylindrical pieces quick and easy.

    •Removable trim trap
    Collects fabric as the adjustable serger knife trims and serges.

    •Specialty feet included
    Blind stitch foot and gathering foot.

    •Included bilingual operation manual and instructional DVD

  • US Warranty 5 Year Electrical 1 Year Parts and Labor
  • Extended US Warranty: Extended Warranty Available
  • Non-US Warranty: 30 days parts and labor
Click HERE for Brother Brochure on 4234DT Serger. L-R Lever for automatic threading of left or right needle separately is located in a different position, under the face of the machine instead of on the face of the machine (See L-R Lever).

Click HERE for English Language Brother Instruction Book Operating Manual User Guide on 4234DT Serger Machine

Click HERE for Spanish Language Brother Instruction Book Operating Manual User Guide on 4234DT Serger Machine

  • Stitch Attributes: Adjustable
  • Stitch Width: Up to 7.0 mm
  • Utility stitch functions: 234 thread overlock, blind hem, rolled hem
  • Stitch Length: Up to 4.0 mm

  • Accessory Storage: Yes
  • Included Accessory Feet: Blind stitch foot, gathering foot
  • Wide Table: Yes
  • In the box: Wide table, soft cover, accessory bag, tweezers, thread net, thread spool cap, cleaning brush, screw drivers, needle set, foot controller, instructional DVD, thread change assembly, trim trap, stitch finger, blind stitch foot, gathering foot and operation manual.

  • Needle Threading System: Automatic
  • # of needles: 2

  • Maximum Sewing Speed (stitch per minute): 1300
  • Free Arm: Yes
  • Presser Foot Attachment: Snap-on
  • Superior Feed Dog System: Differential Feed ratio of 0.7 to 2.0
  • Presser Foot Pressure: Yes
  • Automatic Presser Foot Lifter: Manual
    `Sewing Workspace: Large plus additional wide table included
  • Super Bright Work Area: Yes
  • Lights: Dual LED lights

  • UPC Code: 12502628750
  • Machine Dimensions: 17.677"L x 15.157"H x 14.291" W
  • Machine Weight: 13.45 lbs
  • Shipping Weight: 19.84 lbs
  • UL/CSA Listed: 110V

Included Accessories
Included Accessories:
  • Instruction Manual
  • Instructional DVD
  • Foot Pedal Control
  • 14x10 Extension Table/Storage Bins
  • Warranty Documentation
  • Tweezers
  • Spool Nets
  • Lint Brush
  • Allen Screwdriver for needles
  • Narrow and Wide Stitch Fingers
  • 2 Thread Adapter
    *Regular Presser Foot (on machine)
    *Blindstitch X76661001 Presser foot
    *Gathering SA213 Presser foot

    Optional Presser Feet
  • Brother SA210 1/8" Piping Application Foot XB0241101
  • Brother SA211 up to 1/4" Pearl Bead Sequin Foot, Adjustable Guide
  • Brother SA212 Serger Elasticator 1/2" Elastic Gathering Foot t
Brother 4234DT Top of the Line FREEARM Serger has a One Touch sturdy metal needle threader requiring one finger to lower the lever and automatically thread the needles just like the easiest to use Brother embroidery machines do! Disclosure: All Babylock embroidery machines are made by Brother with the same improved needle threaders! However, Babylock serger needle threaders require both hands! Right hand to twist a loop in the thread (difficult with some threads) to place on the needle threader hook, while turning the needle threader dial down with the left hand. That is hardly automatic needle threading! No better than the original two hand built in needle threaders that first came out in the 1970's with Pfaff and Singer. Babylock's easy threading claims can be "Full of Air", just like their sergers. Jet Air Threading is ok when it works. If thread clogs the tubes, you cannot use wire probes to dislodge because that might scratch the inside of the smooth tubes. We have even had to remove or replace tubes, using a solvent or blow torch to burn off clogged and impacted thread wads inside, before residuals can be removed with an air compressor. There is just not enough Jet Air pressure built in the machine to remove thread clogs from tubes. Even 100+ PSI air compressors may not remove the clogs without desolving or burning off impacted thread first. The reason Babylock sergers are USD999 for 4 thread up to USD2500 or more for 8 thread with coverstitch is that they are not allowed to be sold on the internet! There is no universal price competition, except in local markets if there is more than 1 dealer, which is not likely. When you can buy 3 top Brother freearm serger, coverhem and computer sewing machines for less than the price of the bottom end Babylock, you know you are paying too much for just a 4 tread serger machine without cover hem stitches, extension table, extra feet, or FREEARM capability for cuffs, sleeves, pantlegs, and other tubular sewing projects.

Dear Mr. Douthat, I am interested in buying my first serger. I am already familiar with Brother sewing/embroidery machines and love them, so I was looking at the Brother 1034D and the Brother 4234DT. Can you compare and contrast these models. I do like the auto threader option, not sure it is a must have on a serger though. I am open to other brands and factory serviced options as long as they have the same warranty.... Kayla, all Brother sergers regardless of model or condition (brand new or factory serviced) have the same 5Yr Parts, 2Yrs Electrical and 90 Day Service Labor Warranty nationwide at Brother ASC Authorized Service Centers. . Short list of wants: Easy (color coded) threading Most all sergers have color coded threading. Automatic needle threaders are more important on a serger since there are 2 needles instead of one, the foot sticks out in front so it is harder to hand thread each needle without tweezers. If you have ever threaded a Brother embroidery or sewing machine, the serger uses the same automatic needle threader mechanism except that it is more sturdy with metal instead of plastic. Clear and easy stitch selection. Thread charts are on the machine and in the manual and on the videos. Difference is that 1034 only has 3 and 4 thread stitch configurations where as 4234DT has all three: 2, 3 and 4 thread stitches. The 2 thread is used for flatlocking, narrower rolled hems, and uses less thread when overcasting with 2 instead of 3 threads. Easy needle and foot change. All 6 feet are easy snap on, and interchangeable between all the Brother serger models. Multiple types of stitches for different fabrics and applications (I don't know if this is where a 2,3,4 vs a 3,4 comes into play) Yes, The 2 thread is used for flatlocking, narrower rolled hems, and uses less thread when overcasting with 2 instead of 3 threads. Performs some functions of a regular sewing machine so I don't have to go back and forth to much. You can't do straight stitch or buttonholes on a serger, but you can do seams with overcasting and rolled hems easier on a serger than a sewing machine since you are doing two functions at the same time and the excess fabric is being trimmed. The cutting knife is disengable in case you want to sew on a folded or cut edge that you don't want to trim. Some entire sportswear garments can be made on the serger if you don't need to go back and add any straight stitches or top stitching. Sergers are like microwaves in the kitchen. They can't do everything the stove can do but they can do some things faster and better than the sewing machine with a more professional finish. Easy to maintain. Yes, just keep the machine cleaned and oiled and change needles every 8 hours of machine time, or whenever you hear the needles popping the fabric. If you hand wheel onto the fabric to watch the stitches forming before you press on the foot pedal, you will notice any mis-threading or thread catching anywhere in the thread path and fix before the machine can break any threads or needles. . I currently want this to: Make durable seams and finishes for garments. 4 threads recommended for most seams. 3 threads for very lightweight or narrow knit seams and most rolled hems. 2 threads for light weight rolled hems (lingerie) and flatlocking. Decorative/durable edges for home decor. Yes, you can use YLI wooley stretchable nylon thread for rolled hems, and some heavier decorative threads, yarns and ribbons for embellishing garments in the top and/or bottom loopers. Sewing on elastic easily Elasticator foot is available for stretching and stitching elastic at the same time. See video at Brother SA212 Serger Elastic Gathering Foot, up to 1/2" Elastic Application, Metal Snap On Sole Feet for 900's 1034D 1134 3034D 4234DT PL2100 Blind hem stitch. Yes, a Blind Stitch Foot is included with all brand new Brother serger models (factory serviced 1034D does not include). See Brother X76661001 Blind Hem Stitch Serger Foot 2or3 Thread Op, SnapOn Metal Sole, Adjustable Hem Guide for 900 1034D 1134DW 3034D 2100D 4234DT Not too worried about a cover stitch. Brother has a separate machine for coverstitch if you ever need it. The 2340CV I want to make sure I get something that I will be happy with for years to come. You can purchase based on the differences and be satisfied with any Brother serger model, brand new or factory serviced. I would appreciate any advice that you could give me. Kalya

Click HERE for Troubleshooting and How to FAQ Frequently Asked Questions on Brother 4234DT Serger Machines

Five-Year Limited Warranty (Serger)This warranty gives you certain rights and you may also have other rights that may vary from state to state.

This warranty is given only to the end-use purchaser of the accompanying product (referred to in this warranty as “this Product”).

What is covered:

Brother warrants to you for the Warranty Period that there are no defects in the materials and workmanship of this Product. The “Warranty Period” is ninety (90) days for parts and labor from the date you purchased this Product.

After 90 days and until five (5) years from date of purchase, Brother will furnish, free of charge, a replacement part for the defective part. You pay for labor.

What is NOT covered:

This warranty is VOID – that is, this Product has no warranty – if: (1) you did not purchase this product from an authorized Brother reseller within the United States, (2) this Product has been cleaned, serviced, modified or tampered with by anyone other than an Authorized Service Representative of Brother, (3) the serial number has been modified, defaced or removed from this Product, (4) this Product has been abused or damaged, or (5) non-Brother® – brand parts, supplies, power supplies or other accessories have been used with this Product.

Normal replacement parts such as needles, light bulbs, belts, upper and lower blades, overlooper, underlooper and pulleys are excluded.

What to do if you think your Product is defective:

If you suspect a defect in materials or workmanship in this Product, you must report it to a Brother Authorized Service Center during the Warranty Period and supply Brother’s representative with a copy of your dated bill of sale showing that this Product was purchased within the United States. For the name of your Brother Authorized Service Center, call 1-800-521-2846 or visit our Web site at www.brother.com.

After contacting the Brother Authorized Service Center, you may be required to deliver or send this Product properly packaged, freight prepaid, to the Authorized Service Center together with a photocopy of your bill of sale.

What Brother will do:

Brother (or its Authorized Service Center) will evaluate your report of a possible defect, and if it does exist, Brother (or its Authorized Service Center) will repair or (at Brother’s option) replace this Product with a product that performs the same functions and performs as well as the original Product. Brother reserves the right to supply refurbished or remanufactured replacement products provided that the replacement products conform to the manufacturer’s specifications for new products. The repaired or replacement product will be returned to you at no cost.


Repair or replacement as described above is your sole and exclusive (that is, your only) remedy if this Product is defective.

Brother is not responsible for damage to or loss of any equipment, media, programs or data related to the use of this Product. Except for that repair or replacement, Brother shall not be liable for any direct, indirect, incidental or consequential damages or specific relief.

Because some states do not allow the exclusion or limitation of consequential or incidental damages, the above may not apply to you.


This Limited Warranty is the only warranty that Brother is giving for this Product. It is the final expression and the exclusive and only statement of Brother’s obligations to you. It replaces all other agreements and understandings that you may have with Brother or its representatives.

This Limited Warranty (and Brother’s obligation to you) may not be changed in any way unless you and Brother sign the same piece of paper in which we (1) refer to this Product and your bill of sale date, (2) describe the change to this warranty, and (3) agree to make that change.

© 2000 Brother International Corporation

Marcia, Georgia
I'm very pleased with my purchase. I've used your website in the past and plan to use it in the future.

Frances, New York
I absolutely love this serger. The instructional DVD is wonderful. It is very easy to thread, and the tensions are so easy to adjust. The needle threader is soooo easy to use, I smile every time I do it. It’s actually fun. I LOVE threading the needles on this serger. It sews on knits like a dream, and with the easy to adjust tension dials, you can get a perfect stitch every time. The stitch finger is so easy to change out, or take out for the rolled hem. I also love the large removeable tray that acts as a table. So much easier to use than the older sergers. I couldn’t be happier with my machine. You at Allbrands get 5 stars from me.

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