The SINGER® Heavy Duty 4523™ sewing machine is built for makers who are growing their skills and want more control and creative flexibility. With strong piercing power and a durable full metal interior frame, it delivers reliable performance across a wide range of fabrics — from lightweight materials to heavier layers and stretch fabrics.

Featuring 23 built-in stitches, including utility, stretch and decorative options, the SINGER® Heavy Duty 4523™ supports a broader range of sewing techniques and projects. Added features like speed control, an integrated needle threader and one-step buttonhole make sewing more intuitive and precise.

Whether you're customizing garments, working with different fabric types, or exploring new techniques, the SINGER® Heavy Duty 4523™ offers the control and capability to help you sew with confidence.

Strong Piercing Power: Designed to sew through thick and layered fabrics with ease, delivering consistent, high-quality stitches.

Speed Control: Adjust the machine’s maximum sewing speed for better control. Ideal for sewing curves, corners and precision techniques.

Integrated Needle Threader: Quickly thread the eye of the needle with ease, saving time and simplifying setup.

Full Metal Interior Frame: Provides a strong, stable foundation that supports skip-free sewing and long-lasting durability.

Rubberized Dial Grips: Textured stitch selector and stitch length dials offer added comfort and control for easy adjustments.

Stainless Steel Bedplate: The smooth, scratch-resistant surface helps fabrics glide easily for better control and consistent stitching.

23 Built-In Stitches: Choose from utility, stretch, and decorative stitches to support a wide variety of sewing projects.

Adjustable Stitch Length & Width: Customize stitches for your fabric and sewing technique. Width adjusts up to 6 mm; length up to 4 mm.

Large Sewing Space: More than 6" of space to the right of the needle accommodates larger projects like quilts and home décor.

Top Drop-In Bobbin: Jam-resistant and easy to load, with a transparent cover to monitor thread supply at a glance.

Drop Feed: Lower the feed teeth for free-motion quilting, monogramming, darning and other specialty techniques.

One-Step Buttonhole: Create consistent buttonholes in one simple step, sized to your button.

Free Arm: Access hard-to-reach areas like cuffs, hems and sleeves with ease.

Adjustable Needle Position: Move the needle left, center or right for techniques like topstitching, zipper insertion and edge stitching.

Adjustable Presser Foot Pressure: Adjust fabric feed for smooth sewing across both lightweight fabrics and heavier layers.

Extra High Sewing Speed: Sew up to 1,000 stitches per minute to complete projects more quickly.

Universal Voltage: Compatible with both 110V and 220V power sources.

Additional Information:

Number of Stitches: 23

Maximum Stitch Width: 6 mm

Maximum Stitch Length: 4 mm

Sewing Speed: Up to 1000 stitches per minute

Bobbin System: Top drop-in

Buttonhole Type: One-step

Sewing Space (Right of Needle): 6"+

Needle Positions: Left, center, right

Feed System: Drop feed capable

Presser Foot Pressure: Adjustable

Machine Frame: Full metal interior frame

Bedplate: Stainless steel

Speed Control: Yes

Needle Threader: Integrated

Voltage: 110V/220V compatible

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