Dewalt DC390B Review

Dewalt DC390B Review

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Buying a circular saw is not an easy thing. However, if you spend some time reading about the specs and features of some of them, you can narrow down your options.

Dewalt DC390B is one of Dewalt’s best circular saws you can find on the market. Here is some information about it.

Dewalt DC390B Review

Cutting Capacity:

DC390B’s 6.5-inch carbide tipped blade, with the help of the remarkable 3,700 RPM provides excellent cutting capacity. It can cut through 2 by dimensional lumber because it has great cutting depths that cannot only be attained at 90 degrees but 40 degrees as well.

At 90 degrees, it provides a 2-1/4-inch cutting depth, and at 40 degrees, it provides a cutting depth of 1-5/8 inches. Moreover, its 0-50 degrees bevelling capacity enables it to match various cutting tasks.

Lightweight and Compact Size:

DC390B is one of Dewalt’s lightest models. It weighs 6.3 pounds, which, in comparison to other models, is considered extra light. Its lightweight and ergonomic, vibration-dampening rubber-grip handle does not only provides the users with comfort but also enables it to perform precise cuts. Moreover, these great features enable the circular saw to work for long hours, which increases productivity.

It is needless to say that DC390B is portable thanks to its lightweight and compact size. Its short length makes its maneuvering a piece of cake. It also enables the user to work with it in angles that are difficult to achieve. Moreover, you do not need to worry about finding a storage space for it, because it fits anywhere.

However, if you intend to travel with it, or take it with you to many places, rather than keeping it in your garage, then you should know that it does not come with a case. However, cases can be bought quickly and cheaply.


Fed up with having to buy a new machine every once in a while? Worry no more! Dewalt DC390B will live with you for as long as you can imagine thanks to its high strength magnesium shoe, and its upper guard.

By now, you already know that its motor can go 3700 RPM, but what you did not know is that it is also fan-cooled, and has replaceable rushes. All the above features increase its power and durability.

Bare Tool:

Dewalt cordless tools do not come with a battery or a charger. However, DC390B is compatible with DC9096 18-volt XRP battery pack and DW9117 15-minute charger. Moreover, they are readily available for purchase.

However, getting a cordless tool may not be the best thing to do for several reasons. You do not want your device to stop working in the middle of a big project you are working on. Some people try to overcome this problem by having many spare batteries with them, but this is not very practical because they are expensive. Another more efficient way is to keep your tool charging whenever it is not being used.

So, if you are hell-bent on buying a cordless tool, choose one of these options to overcome the problem. Moreover, cordless tools are not as powerful as corded ones, or ones that come with reliable batteries. So, think about how long and how often you are going to use the circular saw.


The design and balance of DC390B are perfect. It does not bounce when it has been used for a long time, but it is light enough so that you do not get tired while using it. This perfectly weighted circular saw will prevent your suffering from terrible accidents, you have no idea how dangerous it is to have your circular saw bounce up from the cutting surface while it is still running.

Apparently, Dewalt paid close attention to safety because they added another safety feature to DC390B. The blade of the circular saw can stop quickly after use, which means that you do not have to worry about the blade accidentally cutting some of the wood, or worse, a part of your body after you stop the circular saw.

Dewalt DC390B Specs:


The Box Includes:

  • One carbide tipped blade
  • One blade wrench
  • Operating instructions

Note: batteries and chargers are sold separately.

Who Needs To Buy DC390B? 

This tool will be convenient if you need to get your work done quickly and perfectly. For example, if you are building a deck, you can just line up all the wood you need to cut and work down the row. Moreover, its left-mounted blade enables you to see exactly where you are cutting, which is a great thing for beginners, of course.

Also, you can use it if you want to frame your room, or if you’re going to cut plywood to cover the floor, for example.

What We Like and Do Not Like About Dewalt DC390B:


  • Lightweight
  • Double cutting capacity
  • Comfortable to use
  • Durable
  • Relatively quiet 
  • Provides precise cuts
  • Excellent speed
  • Portable
  • Small size


  • Does not come with a battery or a charger
  • A bit expensive

Final Thoughts:

Before buying a cordless circular saw, you have to think twice if it is going to suit you or not. DC390B is a great saw, though as it provides you with precise cuts. Moreover, it is easy to use, lightweight, and can be handled with ease.