SINGER Heavy Duty 4423

9.6
Expert ScoreRead review
  • Number of designs: 50
  • Maximum speed: 800 spm
  • Dimensions: W 14.4″ x H 25.2 x D 20.5″
  • Machine Weight: 45.2 lbs

The Singer Heavy Duty 4423 is a powerful sewing machine designed for home-based workhouses and craft stations. As a heavy duty model, the machine fully supports tough projects that require processing of fabrics like canvas or denim.

Equipped with a powerful motor and encased in durable metal frame, this Singer machine is able to accommodate sewing of various levels of complexity and hardness while providing high stitching speeds for maximum efficiency of operation.

At the maximum speed of 1100 stitches per minute, the machine creates ideal conditions for heavy duty work and intricate processing not unlike the ones found in professional workshops. The high performance motor is said to provide 60% increase in strength compared to sewing machines with standard motors.

There are 32 built-in stitches you can choose from, including the most used patterns for various decorative trimmings, sewing, buttonholes, and other craft projects. All stitches can be selected with the help of a large dial located on the front of the machine.

Buttonholes in particular are easier to process with this device, largely due to the addition of a one-step buttonhole feature. The action is simplified for your convenience and only requires you to place each button in its corresponding buttonhole foot after which the machine adjusts the size of the buttonhole so it fits each button perfectly.

With its variable needle position feature, the machine lets you adjust your needle in 3 main positions to work with different sewing techniques such as topstitching, edge stitching, piping insertion or zipper application.

In order to provide a better work surface, the arm’s bed plate is made from durable stainless steel, allowing you to handle all types of fabrics over the bed plate’s smooth surface. Whether you want to work with canvas or gauze, you can be sure the material will glide freely and won’t snag during the sewing process.

Each project is also made easier with the level of customization this Singer provides. For one, the stitch lengthcan be adjusted to suit different stitch techniques such as applique, basting or tacking. The stitch width from left to right is also adjustable, letting you change between narrower and wider configurations with the top margin reaching up to 6mm or approximately 0.3 inches.

In addition to the extended versatility of sewing action, the machine eases your prep routine by adding the built-in needle threader that can thread any thread type through the eye of the needle, saving you time and effort. The feature is especially helpful for users with imperfect vision as it reduces strain that normal needle threading tends to put on one’s eyesight.

Located under the machine’s arm, the bobbin compartment comes with a transparent lid to ensure you are always aware of how much thread you have left at all times. The bobbin itself is horizontally positioned and can be dropped and locked inside the bearing with ease. Supplied with 15 bobbins, the machine is best combined with bobbins of SINGER or INSPIRA brands as it stimulates the best possible performance.

Unlike most traditional sewing machines, this model gives you the option of hiding the feed dog points, sometimes called feed teeth, and pulling them up only when needed. Feed dog points are designed to provide a steady grip on the fabric in order to move it along evenly (as opposed to manual control of the fabric feed), but certain tasks are best done without the interference of feed teeth, namely quilting, button stitching, and free motion sewing.

Whenever you need to lower the feed dogs from the bed plate, simply pull on the level marked as drop feed lever. The level is also used for pulling the teeth back up, but you will need to turn the handwheel as well in order to raise them.

Depending on the type of fabric you are working on, it is important to exercise just the right amount of pressure when sewing. This means that the pressure that you put on the pressure foot needs to be adjusted with greater precision, and the pressure of this Singer can be increased and decreased in appropriate increments to accommodate various fabrics, from lightweight sheers to heavyweight canvas and denim.

The storage compartment can be removed to give you access to the free arm whenever you need to work on intricate areas such as sleeve cuffs or trouser/skirt hems. Like many modern sewing machines, this model lets you snap the presser feet on and off to provide more freedom of movement during work.

The reverse lever is positioned within easy reach and can be found above the main arm and slightly to the right. It is easy to flip on and off, allowing you to sew in reverse whenever you need to secure a seam.

If you encounter issues with the machine or have questions about its features, the SINGER Sewing Assistant App is always available for any problem resolution. There is enough information on installation, machine construction, and Singer’s sewing action that delves into the proper selection of stitches and crafting techniques.

This heavy duty model also comes with a custom machine cover made from soft yet stain-resistant material designed to keep your Singer clean and dust-free when not in use.

9.6Expert Score
Exellent
SINGER Heavy Duty 4423
PROS
  • Sturdy frame and powerful motor
  • High stitching speeds
  • Transparent bobbin compartment
  • 3 needle positions
  • One-step buttonhole function
  • Removable feed dog points
  • Automatic needle threader

Specification: SINGER Heavy Duty 4423

Dimensions 15.5 x 6.25 x 12 inches
Weight 14.5 pounds

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