Timeless Features
Over 90 Stich Applications
Stitch Dials
Extra High Sewing Speed
One-Step Buttonhole
Built-In Needle Threader
Drop Feed for Darning/mending
Tackle any challenge with the SINGER® Heavy Duty series, the best sewing machine for heavy duty sewing. Experience the power and durability you need.
Shop Heavy Duty Machines NowThe Heavy Duty sewing machines are designed with your heavy duty projects in mind. With adjustable presser foot pressure, you can sew everything from very lightweight sheers to denim. Thanks to the machine’s powerful motor, you have extra high sewing speed to save you time. The stainless steel bedplate allows denim and other fabrics to glide over the machine with ease
Our Heavy Duty collection has expanded to meet growing customer needs. From mechanical, to computerized and compatible accessories, we have something for every project. When considering best sewing machine brands, SINGER® stands out for our dedication to quality and innovation.
“This is my second singer heavy duty it is a great bargain for a good sewing machine. I have used my first machine to near death. I sew many layers of up cycled denim from old jeans. I have been so happy with my first singer heavy duty I did not see any need to look any further.”
– Bee
Top features that make SINGER® Heavy Duty machines stand out.
Compare the power and features of SINGER® Heavy Duty machines to pick the perfect one for your projects—whether you love hands-on control or tech-driven precision.
Mechanical Heavy Duty | Computerized Heavy Duty (e.g., 6800C) |
---|---|
Timeless Features | All the Features of A Mechanical Plus: |
Over 90 Stitch Applications | More Stitch Applications |
Stitch Dials | Fonts & Stitch Customization |
Extra High Sewing Speed | Speed Control |
One-Step Buttonhole | Automatic Thread Cutter |
Built-In Needle Threader | More Throat Space |
Drop Feed for Darning/Mending | Tie-Off Button |
**All information is based on SINGER® Heavy Duty machine specifications as of April 09, 2025. Features and pricing may vary over time. Visit singer.com for the latest details.
**All information is based on SINGER® Heavy Duty machine specifications as of April 09, 2025. Features and pricing may vary over time. Visit singer.com for the latest details.
See our heavy duty sewing machine for leather, denim, and other tough materials in action. These videos demonstrate the raw power and efficiency of our machines.
Not sure whether to go mechanical or computerized? SINGER® Heavy Duty machines come in two distinct options—each with unique strengths. Whether you prefer the simplicity of mechanical or the precision of computerized, we have the best rated heavy duty sewing machine for you. Explore the differences below to find your perfect fit.
Timeless Features
Over 90 Stich Applications
Stitch Dials
Extra High Sewing Speed
One-Step Buttonhole
Built-In Needle Threader
Drop Feed for Darning/mending
SINGER® mechanical Heavy Duty machines are all about strength and simplicity. Whether you’re just starting out or need a reliable workhorse, these models deliver. Check out our Good, Better, Best options below.
SINGER® Heavy Duty 4411
Why It’s Good: A budget-friendly option with 11 built-in stitches, including 6 basic, 4 decorative, and 1 buttonhole stitch. Features a heavy-duty metal frame and a powerful motor that sews up to 1,100 stitches per minute, making it ideal for beginners tackling simple heavy-duty tasks like hemming jeans or sewing curtains.
SINGER® Heavy Duty 4452
Why It’s Better: Offers 32 built-in stitches, including 6 basic, 7 stretch, 18 decorative, and 1 buttonhole stitch, providing more versatility. It includes a heavy-duty metal frame, 1,100 stitches-per-minute speed, and bonus accessories like an even-feed walking foot for multiple layers. Perfect for sewists needing a balance of power and creative options.
SINGER® HD 6380
Why It’s Best: The ultimate mechanical choice with 110 stitch applications from 32 built-in stitches, including 7 one-step buttonholes for professional results. Features a heavy-duty metal frame, 1,100 stitches-per-minute speed, adjustable stitch length/width, and enhanced piercing power. Ideal for frequent sewers handling thick fabrics or large projects with precision.
SINGER® computerized Heavy Duty machines blend power with cutting-edge technology. Whether you’re after ease or intricate designs, these models rise to the challenge. Explore our Good, Better, Best lineup below.
SINGER® 6600C
Why It’s Good: A solid entry into computerized sewing with 100 built-in stitches, including 9 basic, 76 decorative, and 8 one-step buttonholes. Features a heavy-duty metal frame, automatic needle threader, top drop-in bobbin, and an LCD screen for easy stitch selection. Great for sewists wanting modern perks with heavy-duty power.
SINGER® Heavy Duty 6700C
Why It’s Better: Steps up with 411 stitch applications from 200 built-in stitches, including 2 lettering fonts for personalization. Offers a heavy-duty metal frame, speed control slider, automatic needle threader, and tie-off button for precision. Perfect for sewists needing versatility and tech-driven efficiency on heavy fabrics.
SINGER® Heavy Duty 6800C
Why It’s Best: The top-tier choice with 568 stitch applications from 300 built-in stitches, including 2 lettering fonts and memory functions for custom patterns. Features a heavy-duty metal frame, 1,050 stitches-per-minute speed, automatic thread cutter, and 8.3 inches of throat space for larger projects. Built for experts crafting everything from upholstery to intricate designs.
“I recently had the opportunity to use the Singer 4452 Sewing Machine, and I must say, it's an impressive piece of equipment that caters to both beginners and seasoned sewers.”
– Jesmathew
Finish those raw edges! Heavy Duty Sergers are designed with a 60% larger cutting knife than other SINGER® sergers to cut through thicker fabrics with ease.
Signs it’s time to switch to a SINGER® Heavy Duty machine. If your current machine struggles with thick fabrics or needs constant repairs, it’s time for an upgrade. Projects involving heavy materials like upholstery or multiple layers demand more than a standard machine can handle. A SINGER® Heavy Duty sewing machine offers the strength and speed to match your ambitions—whether you’re a beginner tackling home décor or an expert designing custom garments.
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