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A true workhorse

This SINGER® HEAVY DUTYsewing machine is a true workhorse. With a heavy duty metal interior frame, stainless steel bedplate, extra-high sewing speed and powerful motor, it can sew through just about anything you throw at it. Convenience features including an automatic needle threader, top drop-in bobbin, fully automatic 1-step buttonhole and drop feed for free motion sewing adds a new dimension of ease to heavy duty sewing.

Get started sewing faster.
  • 23 Built-in Stitches
  • 6 Basic Stitches, 4 Stretch Stitches, 12 Decorative Stitches, 1 Buttonhole—perfect for crafts, home decor, clothing construction and much more!
  • Automatic Needle Threader
  • After effortlessly threading the machine, this feature automatically threads the eye of the needle without eye strain or frustration.
  • 1,100 Stitches per Minute
  • Sews faster than a standard sewing machine
  • 60% Stronger Motor
  • A stronger motor than standard sewing machines allows it to sew through heavyweight fabrics with ease
  • Stainless Steel Bed Plate
  • Fabric slides easily across the machine arm.
  • Top Drop-in Bobbin
  • Convenient drop-in bobbin is easy to insert, remove and monitor thread supply.
  • Fully Automatic 1-step Buttonhole
  • Make beautiful buttonholes automatically in 1 easy step
  • Snap-on Presser Feet
  • Quick release for easy on and off—change presser feet in a snap!
  • Heavy Duty Metal Frame
  • Rigid support holds all the mechanisms in perfect alignment for skip-free sewing.
  • On Board Storage
  • Storage of accessories in the removable sewing bed means accessories are always handy
  • Free Arm
  • Provides professional results by offering easy access to cuffs, collars, pant hems and other difficult-to-reach areas
  • Extra-High Presser Foot Lifter
  • Offers more clearance for multiple layers of bulky fabric under the presser foot
  • Adjustable Presser Foot Pressure Control
  • Sew lightweight to heavy fabric with ease by adjusting the presser foot pressure.
  • Up to 6mm Stitch Width
  • Decorative and satin stitches can be set to 6mm wide—making a bolder and more pronounced look
  • Three Needle Positions
  • Needle position can be changed for individual projects, such as inserting zippers or cording and topstitching
  • Automatic Reverse
  • Automatically sew in reverse and reinforce stitches
  • Adjustable Stitch Length
  • Adjust the desired stitch length by a simple turn of the dial
  • Included Accessories
  • All-Purpose Foot, Zipper Foot, Buttonhole Foot, Button Sewing Foot, Seam Ripper / Lint Brush, Quilting Guide, Needles, Bobbins, Screwdriver, Auxiliary Spool Pin, Spool Pin Felt, Soft-Sided Dust Cover
Get started sewing faster.
Download the instruction manual for this machine.
Download the quick-start guide.
Download the product sheet for a printable list of all of the features and accessories
Find a local retailer
Expand your capabilities.
What others are saying.
heavy duty singer
eleanor casarez | July 14, 2015
Overall Rating
Good Value, Great Features, Easy To Use, High Quality

I am very satisfied with this machine. It works so good. I also like the idea of the bobbin on top where I can see it easily.

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bad service
Ed Stoner | June 11, 2015
Overall Rating
Good Value
Main Part Unavailable!

We bought two of these machines 8/3/13 as gifts from HSN. One has had the LED light fail. I have tried unsuccessfully to find a replacement LED, by phone, email, and web for over 4 months. Finally someone found the 'part #' BUT it's not available. WHAT???? The machine is not 2 years old!!1

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Not Great
Terry Lendermon | May 08, 2015
Overall Rating
Very Cheap. Easy To Understand
Poor Quality, Normal Features Don't Work. Warrenty Provider Way Too Far Away.

I purposely purchased a Singer and went to a Heavy Duty since I sew denim. From the first this machine has been a big disappointment. The easy threader broke, and I bought a new one. Then the zipper foot won't allow me to sew on both sides, just one or needle hits the foot. Moving needle position doesn't work. The Singer warrenty providers are over an hour of travel due to the very large city I live in. Not worth it. So, I won't buy Singer again, unless I go with a very high end machine. These less costly products are not worth the price. I've paid more in repairs than the machine cost.

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it broke the first day not so heavy duty
rosemary valderas | April 14, 2015
Overall Rating
Poor Quality

the bobbin gets all crumble and theb the bobbin case is cheap plastic. they should improve this machine or replace it with a betterpart. DO NOT BUY IT

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Singer 4423 Heavy Duty
Eric Murken | February 24, 2015
Overall Rating
Good Value, Great Features, Easy To Use, High Quality, Great Attachemnts

I unpacked the 4423, set it up and went right to work. The sewing is very precise, easy to thread, load the bobbin. I have other machines that are all computerized, this machine give you the sewer the ability of manually controlling all aspects of the machine.

I have really enjoyed sitting and learning all the different stitches, needle positions, that this machine can do. I was looking for a non-computerized machine and this really has lived up to what it says it can do. I put 12 layers of heavy denim together and used a denim needle with yellow jean thread and it just breezed right through it no problem.

I also used a VERY delicate fabric and the tenderness and ease and stitching was just as perfect as the heavy material. I really give this machine 5 stars because it is truly and fun and well built and accurate machine.

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Watch and learn.
Easy Features
Creative Features
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