A belt sander is a tool that can be used to sand down the wood. It consists of a motor that turns a belt covered in abrasive material. The strap is wrapped around two drums, and as the motor turns, the belt travels up and down.

Belt sanders are ideal for large projects where you need to quickly remove a lot of material. They can also be used for more nuanced work, but it takes some practice to get the hang of using them without damaging the wood. If you have several woodworking projects that you need to stand on, a belt sander can be a good investment for your workshop. Be sure to read the reviews before purchasing one to find the model that best suits your needs.

When it comes to finding the best possible sander for your needs, you may be wondering what the difference is between the Makita 9403 and 9404. Both of these sanders are excellent choices for a variety of projects, but there are some key differences that you should be aware of before making your final decision. The Makita 9403 is a belt sander that is designed for use with woodworking projects, while the 9404 is an orbital sander that can be used on both wood and metal.

Makita 9403

Makita 9403 4″ x 24″ Belt Sander, Teal

Makita 9403 vs 9404
  • Brand: Makita
  • Item Dimensions LxWxH: 9 x 16.1 x 9.76 inches
  • Grit Type: Medium
  • Power Source: Corded Electric
  • Amperage Capacity: 11 Amps

Makita 9403 is one of the best belt sanders in the market. It has a powerful 11-amp motor that delivers up to 3,800 orbits per minute. The sander also features an extra-long 13-foot cord to help you reach tight spaces and corners. With its variable speed control, you can match the speed to the application for optimal results.

The Makita 9403 is a powerful single belt sander that can zip through even the toughest sanding jobs quickly and easily. With a top speed of 1640 feet per minute, it can remove material rapidly, making short work of even the most challenging projects. The sander is also remarkably easy to use, with an ergonomic design that makes it comfortable to hold and maneuver. Whether you’re a professional contractor or a DIY enthusiast, the Makita 9403 is an excellent choice for anyone who needs a reliable and effective belt sander.

It features a dust-sealed switch and sealed bearings to protect the motor from damage. The front handle is comfortable to grip and provides good control while sanding. The 9403 also has a dust collection bag that helps to keep the work area clean. 


  • Noiseless heavy duty
  • Rotatable dust bag
  • Powerful and long power cord
  • The motor comes with protection


  • Heavy 
  • Expensive 

Makita 9404

Makita 9404 4″ x 24″ Belt Sander, with Variable Speed , Blue

Makita 9404
  • Brand: Makita
  • Item Dimensions LxWxH: 13.13 x 5.63 x 6.2 inches
  • Voltage: 240 Volts
  • Power Source: Hand Powered
  • Amperage Capacity: 8 Amps

Makita 9404 is a powerful and versatile sander that is perfect for a wide range of applications. With its high speed and low vibration, it can quickly and easily remove paint, varnish, stains, adhesives, and other finishes from wood surfaces. It also features a dust-sealed switch to help keep the sanding process clean.

The Makita 9404 belt sander is very similar to the previous sander in many ways. This sander comes with a dust bag to help collect the debris while you work. The Makita 9404 also has a speed control dial to help you adjust the speed of the belt. The belt on this sander is four inches wide by twenty-four inches long. The Makita 9404 also has an adjustable front handle to help you get into tight spaces.

The Makita 9404 also comes with a low profile for less gouging into your work and its cord is connected to the body of the sander with a strain relief that keeps it from being accidentally pulled out. The ergonomic design of the handle ensures operator comfort and the switch is located in a convenient spot for easy operation. The dust bag has a built-in vacuum adapter for use with most vacuum cleaners and the power cord is 10 feet long.


  • Great speed variance
  • Easily usable
  • Great for passionate hobbyist and others


  • Slow and stop during stop eventually

Comparison Makita 9403 vs 9404 

Safety assistant

When it comes to woodworking, two of the most popular tools on the market are the Makita 9403 and 9404. Both of these tools are great for getting the job done, but they also have different safety features that you should be aware of. The basics of these two tools are the same, but there are some differences that you need to consider before you purchase either one.

When it comes to safety, the Makita 9403 dust bag is a clear winner. Not only does it protect you from the dust saw, but it also helps to keep the environment clean. The 9404 doesn’t come with a dust bag, so you’ll have to be extra careful when using it.

Power Motor

Both of these models are very powerful, but the 9403 is slightly more powerful than the 9404. The Makita 9403 has an 11 amp motor while the 9404 has an 8.8 amp motor. The Makita 9403 also has a higher no-load speed than the 9404. The Makita 9403 is a great choice for those who need a little extra power and speed.

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Speed variance

Makita 9403 has a single speed of 1640 ft min, and 9404 works at a speed variance from 690 to. The Makita 9403 is a powerful belt sander that is perfect for those who need to sand large surfaces quickly. The 9404 is also a powerful sander, but it has the ability to adjust the speed, which makes it more versatile. If you are looking for a sander that can handle any job, then the Makita 9404 is the better choice. 


The Makita 9403 belt sander is a powerful and robust tool that is perfect for heavy-duty sanding jobs. It weighs in at 12.6lbs, which is heavier than the 9404 model which weighs 10.3lbs. The extra weight of the 9403 gives it more power and makes it more durable, making it ideal for tougher sanding projects.

The downside of the extra weight is that it can be more difficult to handle, particularly for extended periods of time. If you’re looking for a durable and powerful belt sander for your next project, the Makita 9403 is a great option. 

Belt Conveyor

The 9403 is designed for light-duty applications such as sanding and polishing, while the 9404 is made for more heavy-duty tasks such as grinding and leveling. The 4×24 belt conveyor on the 9403 allows for a wider range of motion and can be used for both horizontal and vertical applications. The 4-inch wide belt conveyor on the 9404 is more suitable for horizontal applications only.


The Makita 9404 is a less expensive and good option than the 9403 model. It is available for less than half the price of the 9403. The 9404 has a powerful 11-amp motor that delivers up to 12,000 RPMs. It also has a dust-sealed switch to help prevent dust and debris from entering the switch. The 9404 is a good choice for those who are looking for an affordable Makita model. 


In conclusion, the Makita 9403 is a great sander for those who are looking for a powerful and durable tool. It is also one of the most affordable sanders on the market. The Makita 9404 is a great option for those who are looking for a more versatile sander. It has a higher price tag, but it is worth the investment if you need a sander that can do more than just sanding.

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