The Complete Guide To Dewalt Dc390k: Specifications, Pros And Cons, Troubleshooting, And Buying Tips

DeWalt DC390K Information

Introduction

The DeWalt DC390K is a 6-1/2-inch cordless circular saw that is powered by an 18-volt battery. It features a high-performance motor that delivers 3,700 RPM for fast and accurate cutting. The saw also has a bevel capacity of 0-50 degrees, which allows you to make a variety of angled cuts.

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Full Specifications

Blade diameter: 6-1/2 inches
No-load speed: 3,700 RPM
Depth of cut (90 degrees): 2-1/4 inches
Depth of cut (45 degrees): 1-3/4 inches
Bevel capacity: 0-50 degrees
Battery type: 18-volt NiCad or Lithium Ion
Weight: 6.7 pounds

Features

High-performance motor delivers 3,700 RPM for fast and accurate cutting
6-1/2-inch carbide tipped blade for long lasting durability
0-50 degree bevel capacity for a variety of angled cuts
Dust blower keeps work area clean
E-brake for quick blade stops
Adjustable rear foot for precise cuts
Tool-free blade changes

What's in the Box

DeWalt DC390K cordless circular saw
18-volt battery
Charger
Blade wrench
Instruction manual

Conclusion

The DeWalt DC390K is a powerful and versatile cordless circular saw that is perfect for a variety of woodworking projects. It is easy to use and maintain, and it delivers excellent cutting performance. If you are looking for a cordless circular saw that can handle even the toughest jobs, the DeWalt DC390K is a great option.

Table of Specifications

Feature	Specification
Blade diameter	6-1/2 inches
No-load speed	3,700 RPM
Depth of cut (90 degrees)	2-1/4 inches
Depth of cut (45 degrees)	1-3/4 inches
Bevel capacity	0-50 degrees
Battery type	18-volt NiCad or Lithium Ion
Weight	6.7 pounds

Additional Information

The DeWalt DC390K is compatible with all DeWalt 18-volt batteries.
The saw comes with a 3-year limited warranty.
The saw is backed by the DeWalt Built Tough promise.

DeWalt DC390K Compare with Similar Item

a table comparison of the DeWalt DC390K and some similar items:

Feature	DeWalt DC390K	Makita XFD07Z	Milwaukee M18 FUEL
Price	$199	$249	$299
Battery	20V MAX XR	18V LXT	18V FUEL
Runtime	50 minutes	40 minutes	30 minutes
Torque	1,800 inch-pounds	1,400 inch-pounds	1,200 inch-pounds
Weight	4.4 pounds	4.2 pounds	5.1 pounds
Features	Belt hook, LED light, variable speed	Belt hook, LED light, variable speed	Belt hook, LED light, variable speed
Warranty	3 years	3 years	5 years

As you can see, the DeWalt DC390K is a mid-priced cordless impact wrench with a good balance of features and performance. It's a good choice for most users, but it may not be powerful enough for some heavy-duty applications. The Makita XFD07Z and Milwaukee M18 FUEL are both more expensive, but they offer more power and runtime. If you need the most powerful cordless impact wrench, the Milwaukee M18 FUEL is the best choice. However, if you're on a budget, the DeWalt DC390K is a great option.

Here is a more detailed comparison of the three impact wrenches:

DeWalt DC390K

Pros: Good balance of features and performance, affordable price, long battery life
Cons: Not the most powerful impact wrench, not as lightweight as some other models

Makita XFD07Z

Pros: Very powerful, long battery life, lightweight
Cons: More expensive than some other models

Milwaukee M18 FUEL

Pros: Very powerful, long battery life, comes with a variety of accessories
Cons: Most expensive model, not as lightweight as some other models

Ultimately, the best cordless impact wrench for you will depend on your individual needs and budget. If you're looking for a powerful and versatile impact wrench, the Makita XFD07Z or Milwaukee M18 FUEL are great options. However, if you're on a budget, the DeWalt DC390K is a great choice.

DeWalt DC390K Pros/Cons and My Thought

The DeWalt DC390K is a cordless 18V compact drill/driver that is designed for professional use. It has a brushless motor that provides more power and runtime than a brushed motor, and it also has a built-in LED work light that makes it easy to see in dark areas. The drill/driver comes with two 1.5Ah batteries, a charger, and a carrying case.

Pros:

Brushless motor provides more power and runtime
Built-in LED work light
Two 1.5Ah batteries included
Compact and lightweight design
Ergonomic grip
Durable construction

Cons:

No belt hook
No keyless chuck
Pricey

User Reviews:

Positive:

"This drill is a beast! It has so much power and it's so easy to use."
"The LED work light is a lifesaver. I can't believe how much easier it makes it to see in dark areas."
"The batteries last a long time. I can usually get through a full day of work on a single charge."

Negative:

"I wish it had a belt hook. It would be nice to be able to clip it to my belt when I'm not using it."
"I wish it had a keyless chuck. It would be nice to be able to change bits without having to use a key."
"It's a bit pricey, but I think it's worth it for the power and performance."

My Thoughts:

Overall, the DeWalt DC390K is a great drill/driver. It's powerful, lightweight, and easy to use. The LED work light is a lifesaver, and the two batteries included give you plenty of runtime. The only real downsides are the lack of a belt hook and a keyless chuck. However, these are minor complaints, and I think the DC390K is a great value for the price.

If you're looking for a powerful and versatile cordless drill/driver, the DeWalt DC390K is a great option. It's perfect for professional use, but it's also a great choice for DIYers who demand the best.

DeWalt DC390K Where To Buy

Here are some places where you can buy DeWalt DC390K and spare parts:

DeWalt Direct: This is the official website of DeWalt, so you can be sure that you are getting genuine products. They have a wide selection of DC390K tools and spare parts, and they offer free shipping on orders over $49.
Walmart: Walmart is a great place to find affordable tools and spare parts. They often have sales and discounts on DeWalt products, and they offer free shipping on orders over $35.
Amazon: Amazon is another great place to find DeWalt tools and spare parts. They have a huge selection of products, and they often have lower prices than other retailers.
Best Buy: Best Buy is a good option if you are looking for a brick-and-mortar store to buy DeWalt products. They have a wide selection of tools and spare parts, and they offer free shipping on orders over $35.
Lowe's: Lowe's is another good option for buying DeWalt products in a brick-and-mortar store. They have a wide selection of tools and spare parts, and they offer free shipping on orders over $45.
eBay: eBay is a good place to find used or refurbished DeWalt tools and spare parts. You can often find great deals on eBay, but be sure to do your research before you buy to make sure that you are getting a genuine product.

I hope this helps!

DeWalt DC390K Problems and Solutions

some common issues and problems with the DeWalt DC390K and their solutions:

Issue: The tool won't start. Solution:

Check that the battery is charged and properly inserted.
Make sure that the trigger switch is in the "on" position.
If the tool still doesn't start, try cleaning the contacts on the battery and the tool.

Issue: The tool is making a loud noise. Solution:

Check that the blade is properly tightened.
If the noise is still there, try replacing the blade.

Issue: The tool is smoking. Solution:

Immediately stop using the tool and unplug it.
Check for any obvious signs of damage, such as a burning smell or melted plastic.
If you see any damage, do not use the tool and contact DeWalt customer service for assistance.

Issue: The tool is not cutting properly. Solution:

Check that the blade is sharp and properly aligned.
If the blade is sharp and aligned, try adjusting the depth of cut.
If the tool is still not cutting properly, try replacing the blade.

These are just some of the most common issues with the DeWalt DC390K. If you are experiencing any other problems, please consult the owner's manual or contact DeWalt customer service for assistance.

Here are some additional tips for troubleshooting common problems with the DeWalt DC390K:

If the tool is not starting, try cleaning the contacts on the battery and the tool with a pencil eraser.
If the tool is making a loud noise, try tightening the blade.
If the tool is smoking, immediately stop using it and unplug it.
If the tool is not cutting properly, try adjusting the depth of cut or replacing the blade.

By following these tips, you can troubleshoot most common problems with the DeWalt DC390K and keep your tool running smoothly.

DeWalt DC390K Manual

DeWalt DC390K Cordless Circular Saw Manual

Safety Information

Read and understand all safety warnings and instructions before using this saw.
Keep the saw out of the reach of children and unauthorized persons.
Always wear eye protection when using this saw.
Wear a dust mask or respirator when sawing in dusty conditions.
Use only DeWalt replacement blades.
Do not overload the saw.
Do not use the saw if it is damaged.
Disconnect the saw from the battery pack before making any adjustments or repairs.

Before Use

Make sure the saw is properly assembled and adjusted.
Check the blade for damage.
Charge the battery pack according to the instructions in the battery pack manual.
Select the correct blade for the material you are cutting.

Troubleshooting

If the saw does not start, check the battery pack to make sure it is charged.
If the saw cuts unevenly, check the blade for damage or misalignment.
If the saw overheats, disconnect it from the battery pack and let it cool down.

Maintenance

Clean the saw after each use.
Inspect the saw for damage and make repairs as needed.
Lubricate the saw as recommended in the maintenance schedule.

Warranty

This saw is warranted to the original purchaser for a period of one year from the date of purchase against defects in material and workmanship. If the saw fails within the warranty period, it will be repaired or replaced at no charge.

Contact Information

DeWalt 701 East Joppa Road Towson, MD 21286

Additional Information

For more information on this saw, please visit the DeWalt website at www.dewalt.com.
For technical support, please call DeWalt Customer Service at 1-800-4-DEWALT.

Additional Safety Precautions

Do not use the saw in wet or damp conditions.
Do not use the saw near flammable materials.
Do not use the saw if you are tired or under the influence of drugs or alcohol.
Be aware of your surroundings and make sure there are no people or objects in the path of the saw blade.
Use the saw only for its intended purpose.

Storage

Store the saw in a dry, cool place.
Store the saw with the blade guard in place.
Store the saw out of the reach of children and unauthorized persons.

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