Best Singer Heavy Duty Sewing Machine

Being a part of Amazon Associate and some other Affiliate Programs, we may earn a small commission for every qualifying purchase from affiliate links at no extra cost to you. You can read our affiliate disclosure to learn more and also our review process.

The Singer Company is a big name in the Sewing Machine industry. The company has been around since 1851, and it still stands tall as one of the best companies. The Singer Company manufactures Heavy Duty Sewing Machines. Heavy duty sewing machines are meant for industrial purposes. They have more power, ease of use, and durability. The Heavy Duty Sewing Machine is a solution for industrial sewing work, especially in the construction industry.

The Singer Company has been manufacturing heavy-duty sewing machines since 1851. In fact, Singer has produced some of the best heavy-duty machines in the world, especially those made to withstand industrial purposes. Some of these machines are shipped all over the world to be used at construction sites and other industrial companies that need heavy-duty stitching and repairing services.

Heavy duty machines are very powerful and have features that make them the best sewing machines for industrial purposes. Some of these features include cordless stitchers, heavy-duty motors, two-thread rewinds, electric handwheel movement, sewn teeth, and more. Heavy-duty electric machines especially are designed to be used by construction workers who need power and durability.

The Singer Company has been in the sewing machine industry for over a century now. In 1851 Isaac Merritt Singer founded his company in the U.S. and he was actually one of the first companies to manufacture and sell sewing machines in America. The Singer has since become one of the most prominent names in the sewing machine industry.

The company continues to produce and sell sewing machines to different markets, especially sewing machine industries such as medical devices, industrial, farm equipment, and construction. The Singer Company is one of the largest distributors and manufacturers of heavy-duty sewing machines for industrial purposes.

Table of Contents show

List of the Best Singer Heavy-Duty Sewing Machine

Here I am listing some of the best singer heavy-duty sewing machines.

  1. Singer 44S
  2. Singer 4411
  3. Singer 4423
  4. Singer 4432
  5. Singer 4452
  6. Singer 9960
  7. Singer HD6380
  8. Singer HD6600
  9. Singer HD6700C

Singer 44S

The Singer 44S is an excellent, heavy-duty sewing machine by Singer. Though it’s not as popular as the 4423, it is still a great option for those interested in getting a durable machine that can handle a lot of sewing projects.

This sewing machine has the ability to produce 1 buttonhole style and can style up to 97 stitches. You will get 4 built-in presser feet with this machine so you won’t have to worry about anything when you need to do any adjustments or when doing any type of sewing project.

It’s also very easy to use and you should have no problem making adjustments to the machine itself. You will also find that this sewing machine is incredibly easy to transport because of its compact size. If you’re looking for a durable, user-friendly machine that’s still affordable, Singer 44S is definitely worth checking out as an option.

The Singer 44S is also very durable. It’s not as heavy as the 4423 but it still has a lot of power thanks to its advanced sewing mechanism. It comes with a 25 years warranty which means you don’t have to worry about it breaking down on you in the middle of any project.

Features of Singer 44S

  • Sewing Speed: 1100 SPM (Stitches Per Minute)
  • Number of Stitches: 97
  • Max Stich Width: 6 mm
  • Buttonhole Styles: 1
  • Automatic Buttonhole: 1-Step
  • Needle Threader: Built-in
  • Bobbin Loading: Top drop-in
  • Free-Arm: Yes
  • Stitch Style Selection: Yes
  • Stitch Size Selection: Yes
  • Number of Foot Presser: 4
  • Reverse Stitches: Yes
  • Warranty: 25 Years

Pros

  • 97 Stitch Styles – this Singer 4423 has 97 different stitch patterns, and automated button holes and you can also do free arm sewing.
  • Free Arm – You can do circular sewing or arm-stitch with this machine because the arm is adjustable, therefore making it a Free Arm.
  • Automatic Buttonhole – There’s an Automatic Button Hole Sewing Feature on this model which allows you to make professional-looking buttonholes in seconds. It automatically inserts an upper-stitch thread into the fabric to guarantee a durable, secure seam as well as an elegant look.
  • Built-in Needle Threader – There’s a Needle Threader that is built-in on this model which lets you easily thread the upper, lower, and metallic needle threads.
  • Stitch Selection Dial – There’s a Stitch Selection Dial that lets you choose between 97 different stitches on this model.

Cons

  • No Automatic Thread Tension – This machine doesn’t have an Automatic Thread Tension feature which means you need to manually tension the thread after each use.

Is the singer 44s the same as 4423?

Yes, the 44S has the same features as the 4423. color is the only difference, 4423 comes in gray while 44s comes in white color.

Is singer 44s a heavy duty?

Yes, the Singer 44S is a heavy-duty sewing machine. It’s a very tough sewing machine that is well built and has been known as one of the most reliable machines used by many professional tailors and seamstresses.

Can the singer 44s sew leather?

Yes, it can sew leather when you have the right presser foot installed. You can place it on a wood or plastic surface to make sure that you have a sturdy surface when doing any stitching you need to do.

Singer 4411

The Singer 4411 is a very popular and powerful machine for heavy-duty sewing. It comes with a 4-step automatic buttonhole feature so you can easily make buttonholes without the need of another foot. It’s great for those who like to enjoy a wide range of customizable options.

The machine itself is heavy-duty, as you would expect. It’s clearly built for use at home and will give you excellent results there. The machine is easy to set up and can be put together in just a matter of minutes. It’s easy to maintain as well and requires only the standard amount of care that goes with any other sewing machine out there.

It’s a very strong, durable machine that can handle just about any sewing job you throw at it. Thanks to its max stitch width of 5mm and 1100 stitches per minute, it’s really one of the best sewers out there on the market today. It’s not the most compact machine out there but it does offer a full range of features and is versatile enough to be used for just about any sewing project you can think of. It also has a 25 years warranty which is great.

The Singer 4411 is a fantastic heavy-duty sewing machine that has all the features you could ask for and more. If you’re looking for something that can keep up with your heavy duty projects, this might be just what you’re looking for.

Features of Singer 4411

  • Sewing Speed: 1100 SPM (Stitches Per Minute)
  • Number of Stitches: 11
  • Max Stich Width: 5 mm
  • Buttonhole Styles: 1
  • Automatic Buttonhole: 4-step
  • Number of Foot Presser: 4
  • Needle Threader: Manual
  • Thread Cutter: Manual
  • Thread Tension: Manual
  • Bobbin Loading: Top drop-in
  • Free-Arm: Yes
  • Stitch Style Selection: Yes
  • Stitch Size Selection: Yes
  • Reverse Stitches: Yes
  • Warranty: 25 Years

Pros

  • Fast Speed – The Singer 4411 is a very fast machine that can produce 1100 stitches/minute. This means it can work as quickly as possible for all your projects.
  • Built-in Needle Threader – The automatic needle threader will save you time and frustration and make threading the needle fast, easy, and convenient. 
  • Free Arm – This feature is essential for any type of quilting project that you take on, allowing you to move around the fabric freely to get it in position for a great line of stitching.
  • Stitch Selection Dial – With this handy setting you can easily change stitch widths and styles without ever leaving the machine.
  • Reverse Stitch – This feature is great, especially when making cuff buttons or sewing on collars. It allows you to sew in reverse which makes it easier to sew a straight line and helps with accurate placement of the fabric.

Cons

  • No Extension Table – The machine does not come with an extension table for quilting. If you want to do some type of quilting project, you will have to buy an extension table separately.

Will Singer 4411 sewing machine last for long years?

The machine comes with a 25 years warranty but it would last longer than that if used correctly. We think two decades is enough for any user and you should take good care of the machine so as not to damage it. This will make sure that your sewing machine lasts longer and you do not have to go through buying replacement machines every now and then.

Is it good to use Singer machines?

Just like any other machine you’ll find, the Singer 4411 is made up of high-quality parts, so expect them to last long. It would be a good idea to regularly maintain the machine by replacing the spool and bobbin when they get weak. The machine will last longer and will be able to create high-quality stitches as well.

Singer 4423

The Singer 4423 is an excellent, heavy-duty sewing machine. It has a max stitch width of 6mm and comes with a 1 buttonhole style. It also has the capacity to produce 97 stitches of different styles.

The Singer 4423 is a heavy-duty sewing machine that features 4 built-in presser feet for easy sewing. It comes with a 1 buttonhole style and can deliver high-quality stitching in just one minute. It’s great for those who are looking for tough machines that can be utilized in many different types of projects while still getting the job done with high-quality results each time.

The machine itself is not very heavy and can be carried around with ease. It’s easily portable and can be stored away afterward. The machine comes with a 25 years warranty which helps if there are any issues that might crop up after several uses.

If you’re looking for an excellent, user-friendly sewing machine at a great price, the Singer 4423 is definitely a good choice for you. There are many machines out there that will outperform this one but it’s still excellent nonetheless thanks to its high-quality stitches and high-speed feature.

Features of Singer 4423

  • Sewing Speed: 1100 SPM (Stitches Per Minute)
  • Number of Stitches: 97
  • Max Stich Width: 6 mm
  • Buttonhole Styles: 1
  • Automatic Buttonhole: 1
  • Needle Threader: Built-in
  • Bobbin Loading: Top drop-in
  • Free-Arm: Yes
  • Stitch Style Selection: Yes
  • Stitch Size Selection: Yes
  • Number of Foot Presser: 4
  • Reverse Stitches: Yes
  • Warranty: 25 Years

Pros

  • Built-in Needle Threader – The built-in needle threader is great as it doesn’t require you to thread the needle manually. This makes sewing much easier.
  • Free Arm – The free arm makes it easy to attach different types of fabric pieces to the machine and make a variety of different items that can be sewn with ease.
  • Stitch Selection Dial – In order to easily select different stitches and variations, you only need this dial. You can use this dial to quickly select your preferred stitch type and style.
  • Reverse Stitch – The reverse stitch feature allows you to sew on the wrong sides while switching the direction of your fabric piece from top to bottom at a press of a button.
  • 4 Presser foot – The machine comes with 4 presser feet to make garment sewing easier. These 4 presser feet are the zipper foot, buttonhole foot, blind stitch foot, and the general purpose foot.

Cons

  • No Extension Table – The machine doesn’t come with an extension table which is a little inconvenient if you have large project pieces.

Is this machine easy to use?

Yes, it is. It has a simple and user-friendly interface that makes it a breeze to operate. It also has many different stitch styles and patterns that are easy to set up and select during your sewing process.

Can I sew thick fabrics with this machine?

Yes, you can. The Singer 4423 is great for sewing thick fabrics thanks to its strong motor that delivers excellent power and speed when in use.

What do you think of the stitch quality?

I think the 4423 produces very nice stitches and the stitch quality is good enough for heavy-duty sewing. This machine is compatible with different types of fabrics.

Singer 4432

The Singer 4432 is a great machine for beginners who are looking to get into sewing. It’s great not only because of its low price but also because of the numerous features that make it one of the greatest beginner machines out there. It has two separate buttons for stitch selection and stitches size selection which is very easy to operate and allows you to achieve professional-looking results without having to know how to work a sewing machine.

This machine comes with a variety of stitches including plain, satin, stretch, and blind hem stitches in plain, satin, and stretch options. It also comes with 1 buttonhole that is all very easy and straightforward to create without any difficulty at all. The manual threader is also very easy to use and makes it very convenient to start sewing.

The machine also has a top-loading bobbin that makes it easy to get started. There is no need to thread the bobbin and weave the thread in and out of different parts of the machine, you just have to drop the bobbin into place and get started on your project.

It also features a free-arm option if you want to sew cuffs or sleeves on blouses, shirts, pants or any other clothing item you might want. The stitch quality is great as well. It’s very easy to create beautiful stitches without having any trouble at all.

The machine itself has a plastic body so it’s lightweight and easily portable, making it easy to take with you wherever you go somewhere. This machine is one of the best budget-friendly machines on the market. For beginners and non-satellites, this model is perfect and offers great value for money.

Features of Singer 4432

  • Sewing Speed: 1100 SPM (Stitches Per Minute)
  • Number of Stitches: 32
  • Max Stich Width: 6 mm
  • Max Stitch Length:  mm
  • Buttonhole Styles: 1
  • Automatic Buttonhole: 1-Step
  • Needle Threader: Automatic
  • Thread Cutter: Manual
  • Thread Tension: Manual
  • Bobbin Loading: Top drop-in
  • Free-Arm: Yes
  • Stitch Selection: Dial
  • Stitch Size Selection: Yes
  • Number of Foot Presser: 4
  • Reverse Stitches: Yes

Pros

  • Fast Speed – Singer 4432 is a heavy-duty machine with a heavy-duty motor. It can produce high speeds and sew through thick materials easily as well.
  • Built-in Needle Threader – The threader on this machine works very well and makes it easy to start sewing without having to thread the needle first.
  • Stitch Selection Dial – This machine comes with a dial for selecting stitch selection which makes it easy to select the type of stitch you want to use without having to keep track of how many stitches you have used or the distance you need to travel between your current position and where you want your needle position to be.
  • Reverse Stitch – This machine comes with a reverse stitch button which makes it easy to achieve professional-looking results.
  • Free Arm – This machine comes with a free arm which makes it easy to sew cuffs, sleeves and other parts of clothing without having to move the main body of the machine.

Cons

  • No Automatic Thread Cutter – The machine doesn’t have a built-in automatic cutter which is a very important feature that should be present in any sewing machine.

Are Singer sewing machines good choices for new or beginner sewers?

Yes, they are! Singer makes some of the best budget-friendly machines that are available on the market. In fact, most sewing enthusiasts prefer to buy these models because of their amazing features and affordable prices. These machines make sewing easy and efficient. So no matter if you’re a new sewer or simply looking for a reliable machine to start off with, we highly recommend getting any of these models!

Are Singer sewing machines easy to use?

Yes, all Singer sewing machines are very easy to use. They are designed with the user’s comfort and convenience in mind. Beginners can learn how to sew on these machines very easily! All you need is patience, time and practice! Once you get the hang of it, it’s all smooth sailing from there!

What are some of the differences between newer models vs older models?

There aren’t many differences between different generations of Singer sewing machines. They keep improving with each new release. For example, the newer Singer 9960 also comes with a variety of stitches such as satin stitches, stretch stitches, and blind hem stitches. But new models come with LCD screens. If you’re looking for a new sewing machine, you should check out the newest Singer models! They’re all amazing sewing machines that offer great value for money and professional-looking results without having to spend too much money!

Singer 4452

The Singer 4452 is another great heavy-duty sewing machine. The 4452 is a great option for those who want to take their sewing game to the next level and are looking for professional-quality results.

The machine has an easy-to-use dial stitch selector which allows you to select from 32 different stitches just by simply turning a dial and pushing it back into place. So you can easily customize your project according to your own needs, even if you’re using an existing pattern.

The automatic needle threader on this model also makes it very easy to get started on your project with no hassle whatsoever.

The stitch stabilizer is especially effective if you’re sewing something that requires a lot of moving around such as beautiful pocket bags. The extra-wide needle base on this machine helps to stabilize the needle easily so you can sew through thick fabrics like denim without worrying about threading the needle or aligning the fabric properly.

This machine is also very easy to operate. It only takes a second to get it started and locked onto your fabric. It has a variety of different stitches including decorative, stretch, button, and plain stitch styles that are perfect for any kind of sewing you may undertake. The auto-needle threader enables you to easily thread your needle with no hassle at all. The buttons are also easy to operate just by pushing them back into place after each operation, making them very simple and easy to use.

Overall, this is another great option for advanced sewing enthusiasts who are looking for professional-quality results in all aspects of their sewing projects. It’s suitable for advanced beginners as well as professional sewers who want a heavy-duty sewing machine that can handle any kind of fabric and deliver consistent results every time you use it. It’s definitely worth considering if you want a mid-range model that will deliver results like those of expensive high-end models.

Features of Singer 4452

  • Sewing Speed: 1100 SPM (Stitches Per Minute)
  • Number of Stitches: 32
  • Max Stich Width: 6.0 mm
  • Max Stitch Length: 4.0 mm
  • Buttonhole Styles: 1
  • Automatic Buttonhole: 1-step
  • Needle Threader: built-in
  • Thread Cutter: Manual
  • Thread Tension: Manual
  • Bobbin Loading: Top drop-in
  • LED Lightning
  • Free-Arm: Yes
  • Stitch Selection: By Dial
  • Number of Presser Feet: 6
  • Weight: 15.7 lbs 
  • Warranty: 25 Years

Pros

  • Fast Speed – With a speed of 1100 SPM, this machine can finish any project in a matter of minutes. You can easily finish any project in no time at all with the Singer 4452.
  • Built-in Needle Threader – The auto-needle threader is one feature that makes this model stand out from the rest. It automatically threads your needle for you so you don’t have to waste time doing it by hand every single time you need to start a new stitch. This helps save a lot of time over time and allows you to easily keep up with your projects and finish them on time.
  • Stitch Selection Dial – the 4452 has a stitch selection dial that enables you to easily customize your work according to the pattern. It has 32 different stitches available and you can use them just by simply turning a dial and pushing it back into place.
  • Free Arm – The free arm on this model allows you to easily sew cuffs, sleeves, and other difficult-to-reach areas that are usually covered by the main portion of your clothing. It also makes it possible to adjust your garment properly without having to remove it from the sewing machine which saves time over time.

Cons

  • No Automatic Thread Tension – The Singer 4452 doesn’t have an automatic thread tension feature. This means that you’ll have to adjust it manually every time you’re working with a different material. A great way to improve this is to use the free arm of the machine to make your adjustments easier and faster.

Is Singer 4452 Sewing Machine easy to use?

The Singer 4452 is very easy to use. All you have to do is simply make a selection from the 32 different stitches and set your stitch length and presser foot pressure. You can then customize your work as needed and start a project in no time at all.

Just How Durable is this Machine?

The Singer 4452 is designed to be extremely durable and reliable. It has a sturdy metal frame and heavy-duty motor that delivers consistent results every single time you use it. It’s also made with a heavy-duty metal base that prevents the machine from shaking or vibrating during operation.

What is the difference between Singer 4452 and Singer HD6380?

Singer 4452 and HD6380 have mostly similar features like sewing speed, built-in needle threading, warranty, free arm, etc. the only difference is that HD6380 has an extension table.

Singer 4432 vs Singer 4452: Singer Heavy Duty Sewing Machines

Singer 4432 vs Singer 4452

Product Name

Singer 4432

Singer 4452

Product Image Singer 4432 Singer 4452
Price $190.00 $200.00
Our Rating 9.1 9.0
Brand Singer Singer
Category Sewing Machine Sewing Machine

Body

Body Material Metal Metal
Color Gray Gray
Dimensions 15.2 x 6.25 x 12 inches 15.5 x 6.25 x 12 inches
Sewing Area - -
Weight (lbs) 14.6 15.7

Performance

Sewing Speed 1,100 SPM 1,100
Sewing Speed Control Yes No
Drop Feed Yes Yes
Foot Pressure Adjustment Yes Yes
Free Arm Configuration Yes Yes
Knee Lift No Yes
Needle Positioning Adjustable Adjustable
Needle Threading Automatic Automatic
Number of Presser Feet 4 6
Thread Cutting Manual Manual
Thread Sensor No No
Thread Tension Control No -
1-Step Buttonholes Yes Yes

Stitching Features

Buttonholes Styles 1 1
Custom Stitches No No
Lock Stitching No No
Max Stitch Length - -
Max Stitch Width 6.0 mm 6.0 mm
Adjustable Stitch Length Yes Yes
Adjustable Stitch Width Yes Yes
Number of Stitches 32 32
Reverse Stitches Yes Yes
Stitch Selection Dial Dial

Automatic Features

Automatic Buttonholes Yes Yes
Automatic Speed Adjustment No No

Others

Bobbin Class 15 Class 15
Bobbin Type Drop-in Top drop-in
Bobbin Winding Manual No
Dedicated Bobbin Winding Motor No No
LCD Screen Display No No
LCD Screen Size - -
Touch Screen LCD - -
LED Lightning Yes Yes
Extension Table No No
Start/Stop Button Manually Manually
Warranty 25 Years 25 Years
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, Instruction Manual, Power Cord, Foot Controller, Quick Start Guide General Purpose Foot, Zipper Foot, Buttonhole Foot, Button Sewing Foot, Edge/Quilting Guide, Pack of Needles, Bobbins, Spool Caps, Auxiliary Spool Pin, Spool Pin Felt, Screwdriver, Seam Ripper/Lint Brush, Soft Dust Cover

Singer 9960

The Singer 9960 is an excellent, heavy-duty sewing machine. It comes with an LCD screen that shows you exactly what your stitches, buttonhole, and more will look like while you sew. The LCD screen also shows you how many stitches/in your selected speed will produce if it’s adjusted in more than one process at a time.

The machine has an automatic needle threader which makes it very easy to get started sewing. It only takes a second to thread the needle and get started on your project.

The machine has a variety of stitch styles including some that are exclusive for this machine such as satin, blind hem and stretch stitches. It also comes with 13 different types of automatic buttonholes that are very easy to create in a matter of seconds. It’s amazing how many additional stitches you can get out by using these great automatic buttonholes!

The 9960 also features a push-button start/stop button located on top of the machine that allows you to easily start and stop your sewing without having to move your hands from their current positions. This is a great feature for sewing enthusiasts who are always in a hurry or don’t have much time to waste with tedious processes like threading the needle or starting and stopping the machine.

The machine itself is easy to use and allows you to get professional-looking work done with the touch of a few buttons. The 9960 is a great machine for the price. It has a sturdy metal frame and heavy-duty motor that delivers consistent and reliable results every single time you sew. For the price, it also comes with a 25years warranty so if there’s any problem, you can easily take it to professionals to fix it or get it fixed at home by yourself.

All in all, for the price, this model is excellent for beginners who are looking for high-quality sewing machines at affordable prices. It’s definitely worth considering before buying.

Features of Singer 9960

  • Sewing Speed: 850SPM (Stitches Per Minute)
  • Number of Stitches: 1,172
  • Max Stich Width: 7mm
  • Buttonhole Styles: 13
  • Automatic Buttonhole: 1-Step
  • Built-In Lettering: 5 Alphabets
  • Needle Threader: Automatic
  • Thread Cutter: Button
  • Thread Tension: Automatic
  • Bobbin Loading: Top drop-in
  • LED Lightning: Yes
  • Extension Table: Yes
  • Free-Arm: Yes
  • Sewing Speed Controller: Yes
  • LCD Display: Yes
  • LCD Screen Size: 
  • Stitch Size Selection: Yes
  • Stitch Style Selection: Yes
  • Start/Stop Button: Yes
  • Reverse Stitches: Yes
  • Warranty: 25years

Pros

  • LCD Display – A great feature that allows you to see exactly what your stitches, buttonholes and more will look like while you sew.
  • Built-in Needle Threader – An automatic needle threader makes it very easy to get started sewing. It only takes a second to thread the needle and get started on your project.
  • Built-in Thread Cutter – A built-in thread cutter allows you to easily cut the unused thread off without having to move your hand away from your current position. Also useful for using when sewing around buttons, seams and more!
  • Automatic Thread Tension – The machine adjusts the tension of the needle threader automatically so you don’t have to worry about it at all.
  • Free Arm and Extension Table – Both of these features allow you to take advantage of different angles while sewing. This is useful for taking on projects like pant hems, sleeves, and more.

Cons

  • Comparatively Slow Speed – The machine has a relatively slow sewing speed. While it’s not that bad, beginners may find this to be a bit bothersome.

How long does the Singer 9960 last?

The machine is perfect for sewing for beginners and for long-term use. It’s sturdy, reliable, and quite easy to use, so you can expect it to hold up well for a relatively long period of time.

How noisy is the Singer 9960?

To be honest, this model is not that noisy at all. The only noise it emits comes from the clicking of the button threader when you’re sewing.

What are the different types of automatic buttonholes?

The machine comes with thirteen different types of automatic buttonholes. They include straight, curved, running, and blind hems. You can easily choose whichever you like by simply pressing the appropriate button on the LCD screen of your machine. Also, it comes with 5 different types of lettering which are great for adding your initials to any items you make.

Singer HD6380

The Singer HD6380 is a very high-quality machine with a lot of amazing features. The machine offers excellent quality and comes with a very long 25years warranty.

There is an automatic one-step buttonhole, which makes it really easy to create professional-looking buttonhole stitches without having to thread the needle first. The machine has an LED light that shows you everything you need to know about stitching so you can get professional results every single time!

The HD6380 is built with a metal frame ensuring its durability and sturdiness. The machine itself is easy to use and comes with 110 different stitch styles. The machine is also very quiet, making it easy to use for long hours.

The machine is very easy to maintain because of its top drop-in bobbin system and the thread tension can easily be adjusted by hand. The machine is also super lightweight making it highly mobile so you can take it with you anywhere without any hassle.

The HD6380 has a one-step automatic buttonhole that’s very easy to use. It takes a little bit of sewing practice but once you get the hang of it, you will never have to worry about threading and flicking needles ever again!

The HD6380 is perfect for people who are looking for a high-quality machine that’s very reliable and easy to use. If you’re looking for a more powerful, heavy-duty machine, you might want to check out the HD6600 but if you’re looking for something that’s a high quality yet affordable, this is definitely worth investing in.

Features of Singer HD6380

  • Sewing Speed: 1100 SPM (Sewing Per Minute)
  • Number of Stitches: 110
  • Max Stich Width: 6.0 mm
  • Buttonhole Styles: 1
  • Automatic Buttonhole: 1-step 
  • Built-In Lettering: 1
  • Needle Threader: Built-in
  • Thread Tension: Manual
  • Bobbin Loading: Top Drop-in
  • LED Lightning
  • Extension Table: Yes
  • Free Arm: Yes
  • Stitch Size Selection: Yes
  • Stitch Style Selection: Yes
  • Reverse Stitches: Yes
  • Warranty: 25 Years

Pros

  • 110 Stitch Styles – the HD6600 has a lot of different stitch styles that you can use for your projects. If you’re not sure what you are looking for, the machine can offer suggestions based on your initial input.
  • Built-in Needle Threader – the needle threader is very easy to use. The machine simply pushes the needle through the eye of the needle and you’re good to go!
  • LED Lightning – with the LED light, you can clearly see what you’re doing and not have to worry about different lighting situations.
  • Extension Table – The HD6600 comes with an extension table that makes it possible for you to do a lot of trimming tasks on your own without having to reach out somewhere else. The extension table is a very useful feature if you are sewing large or difficult projects because it gives you more space to work with.
  • Free Arm – The free arm feature will allow you to sew cuffs and sleeves much easier than with other machines that don’t have this feature. The idea behind the free arm is so that the sewing machine can slide in and out from the material much more easily.

Cons

  • No Automatic Thread Tension – The lack of automatic thread tension can be slightly annoying because it requires you to adjust the thread tension manually every single time you start a different project or sew different fabrics.

What is the difference between the Singer HD6380 and the Singer HD6600?

They both have an automatic one-step buttonhole that’s great for people who don’t have a lot of sewing experience. They both use a top drop-in bobbin system. The only difference is that the HD6600 has one free arm while the HD6380 has both a free arm and extension table, allowing you to place more than one piece of fabric through at once.

Is the Sewing Machine easy to use?

Yes, it’s very easy to use and comes with 110 different stitch styles. It also has an automatic one-step buttonhole. The only hard part about using the machine is getting used to how the buttonhole works and learning the basic stitches that come with it!

Does Singer HD6380 do buttonholes?

Yes, it comes with an automatic one-step buttonhole. It takes a little bit of sewing practice but once you get the hang of it, using it is really easy.

Singer HD6600

The Singer HD6600 is a very affordable, high-quality machine. It offers a house full of features and functions that are excellent for busy sewing enthusiasts. The machine has an automatic buttonhole which makes it easy to create professional-looking buttonholes in no time. 

There is also an LED light that interacts with the LCD screen near the threaded barrel to show you exactly what speed, length, width and more your selected stitch will look like when you sew. The LCD screen also shows you how many stitches/in your selected speed will produce if it’s adjusted more than one process at a time. On top of all these amazing features, this little machine can go up to 1100 SPM making it powerful and efficient!

The machine has an amazing automatic one-step buttonhole. The automatic buttonhole is great for people who don’t have a lot of sewing experience. You can easily place a button through the needle and press a button that’s right above the top drop-in the bobbin to instantly create a professional-looking buttonhole without even having to thread the needle first!

The machine itself is easy to use and allows you to get professional-looking work done with the touch of a few buttons.

The HD6600 is a very good machine for the price. It has a sturdy metal frame and heavy-duty motor that delivers consistent and reliable results every single time you sew. For the price, it also comes with a 25years warranty so if there’s any problem, you can easily take it to professionals to fix it or get it fixed at home by yourself.

Features of Singer HD6600

  • Sewing Speed: 1100 SPM (Sewing Per Minute)
  • Number of Stitches: 215
  • Buttonhole Styles: 6
  • Automatic Buttonhole: 1-step 
  • Built-In Lettering: 1
  • Needle Threader: Built-in
  • Thread Cutter: Built-in
  • Thread Tension: Manual
  • Bobbin Loading: Top Drop-in
  • LED Lightning
  • Free Arm: Yes
  • LCD Display: Yes
  • Stitch Size Selection: Yes
  • Stitch Style Selection: Yes
  • Reverse Stitches: Yes

Pros

  • LCD Display – The LCD Display is an excellent feature that the HD6600 includes. It’s very useful and convenient. The display shows you the stitch length, stitch width, and stitch speed. All these functions and more make this machine high-quality and easy to use.
  • 215 Stitch Styles – The machine has 215 different built-in stitches. Each of these stitches is useful and easy to use. There are a variety of stitch styles from decorative to basic straight stitches.
  • Built-in Needle Threader – The machine comes with a built-in needle threader to allow for easy threading of the needle. The needle threader is a very useful and helpful feature because it makes sewing easier, especially for people who have never seen it before.
  • Built-in Thread Cutter – The machine comes with a built-in thread cutter and that makes this machine even more amazing. The built-in thread cutter cuts the top and bobbin threads at the same time, making it easy to take off your top or bobbin thread without needing to use scissors or another tool.
  • Free Arm – The machine comes with the ability to slide off the removable storage compartment. This allows the machine to have a free arm. The free arm makes it easy for you to use this sewing machine for smaller projects like sleeves, cuffs, and more.

Cons

  • No Extension Table – This machine doesn’t come with an extension table, which makes it more difficult for some people to sew due to the smaller workspace. However, it is easy to fix and make the machine work for you.

Can I use this machine for a large project?

Yes, you can use this machine for a large project. The work space is perfect for making a large project with ease. However, the maximum stitch size is only 5 inches so it’s not suitable for a very large or regular-sized project.

How strong is the Singer HD6600 sewing machine?

I’m impressed with the sewing machine. It’s very sturdy and durable. The weight on the motor is just right so it sits perfectly on my table without tipping over or falling over.

Singer HD6700C

The Singer HD6700C is an amazing heavy-duty sewing machine. The machine has a wide variety of features and stitched options to make any project easier to complete. Some of my favorite features include the automatic buttonhole and the metal frame that gives the machine its durability and strength. My first use with this machine was a large quilting project, which I completed without issue or struggle due to its versatility as well as its ability to handle larger projects!

This product is perfect for anyone who loves working on a variety of projects or would like to learn more about various stitches because it contains 411 different stitches. When I used this sewing machine for my quilts, I was able to use different stitches for each layer, which made the finishing process and quilt look fantastic.

This machine also comes with various stitch options, such as built-in lettering, one-step buttonholes, and the automatic buttonhole, which was an amazing feature that allowed me to sew a buttonhole on any garment. The stitch size selector allows me to quickly and easily change the stitch width up to 6mm. This is great, especially for quilting or sewing smaller-size garments.

I was able to find different stitches for different projects that I needed at my disposal, so I was never limited by my machine’s limit. My favorite stitched options include the drop feed basting and tie-off button feature.

This machine easily sews through thick materials like multiple layers of fabric or multiple layers of denim as well as thin materials like silk or satin. My favorite thing about this heavy-duty sewing machine is that it is so easy to control, which makes sewing more enjoyable than ever before. 

Another added feature of this machine is the drop feed lever that can be lowered to provide the best stitching experience while working on projects like handbags and clothing made using thinner fabrics. I also really enjoyed using this machine because it comes with a 25-year warranty.

Features of Singer HD6700C

  • Sewing Speed: 1100 SPM (Sewing Per Minute)
  • Number of Stitches: 411
  • Buttonhole Styles: 7
  • Automatic Buttonhole: 1-step 
  • Built-In Lettering: 1
  • Needle Threader: Built-in
  • Thread Cutter: Manual
  • Thread Tension: Manual
  • Bobbin Loading: Top Drop-in
  • LED Lightning
  • Extension Table: Yes
  • Free Arm: Yes
  • Sewing Speed Controller: Yes
  • LCD Display: Yes
  • Stitch Size Selection: Yes
  • Stitch Style Selection: Yes
  • Reverse Stitches: Yes
  • Warranty: 25 Years

Pros

  • LCD Display – This feature allows you to easily choose your stitch size and stitch width by simply pressing the display screen. The display screen also shows you a preview of your stitch before you start to sew on your project.
  • 411 Stitch Styles – With this heavy-duty sewing machine, you have access to 411 different stitch patterns. These stitch patterns have been specifically designed to tailor your projects to your individual needs.
  • Built-in Needle Threader – This machine comes equipped with a built-in needle threader, which makes threading the needle easier than ever before. You can also store multiple spools of thread for added convenience.
  • Extension Table – This machine also comes with an extension table, which is used for quilting or sewing thicker materials such as denim, leather,, and more! The table allows you to put additional layers of material underneath the garment that you are sewing. This feature is especially handy when it comes to making jeans or work clothes with multiple layers of denim material.
  • Free Arm – The free arm on this machine is removable, which is great because it makes sewing and hemming easier than ever before! With the removal of the arm, you have full access to your garment’s inner cuffs. This feature makes it easy to sew an item like a t-shirt since you don’t have to cover up the screen or dials with your fabric.

Cons

  • No Automatic Thread Tension – While this is not a major problem, it is a design flaw. This machine makes it difficult to sew very thin materials such as silk. You must manually adjust the thread tension to sew through the fabric and make sure that your sewing does not come out with a messy finish.

What is the difference between the 6700 and 6700c?

Both are similar sewing machines. Singer HD6700 and Singer HD6700C have just wording differences on different websites.

Does Singer HD6700C sew leather?

If you use the appropriate needle size, you will be able to sew leather with this machine. To sew leather. you will need to make sure that your sewing machine is capable of sewing through the leather.

Is it possible to upgrade to more stitch applications and font types?

No, this machine does not come equipped with any additional stitch software or fonts.

Final Thoughts

The Singer HD9960 Heavy Duty Sewing Machine is a sew-all feature that is ideal for both beginners, who are just starting to sew and advanced seamstresses who need extra heft to press the seams flat. The machine’s heavy-duty design allows even larger projects such as upholstery and curtains to be sewn with ease. 

Hope this article helped you in finding information about the best sewing machines for heavy-duty. If you liked what I have done so far, please share it with your friends. Also, come back regularly to get more information and knowledgeable blogs from us.

ABOUT THE AUTHOR

Maria HOWARD

I have been working as a seamstress since I was 12 years old, and I would be happy to teach you what I know. I, along with the rest of my team, investigate numerous sewing, quilting, embroidery, and fabric related how-to guides, and present our findings to you.

Leave a Comment