Dewalt Dc390b: Full Specifications, Comparisons, Manuals, Pros And Cons, Problems, And Where To Buy

DeWalt DC390B Information

The DeWalt DC390B is a 6-1/2-inch cordless circular saw that is powered by an 18-volt battery. It has a maximum speed of 3,700 RPM and can make cuts up to 2-1/4 inches deep at 90 degrees and 1-5/8 inches deep at 45 degrees. The saw features a magnesium shoe and upper guard for durability, as well as a 0-50 degree bevel capacity for added versatility.

Specifications

Feature	Specification
Blade size	6-1/2 inches
Maximum RPM	3,700
Cut depth at 90 degrees	2-1/4 inches
Cut depth at 45 degrees	1-5/8 inches
Bevel capacity	0-50 degrees
Weight	6.2 pounds
Battery type	18-volt

Features

• High-speed motor for fast cuts
• Carbide-tipped blade for long life
• Magnesium shoe and upper guard for durability
• 0-50 degree bevel capacity for added versatility
• Dust blower keeps work area clean
• Equipped with a rafter hook for hands-free storage

What's in the box

• DeWalt DC390B circular saw
• 6-1/2-inch carbide-tipped blade
• Saw blade wrench
• Owner's manual

The DeWalt DC390B is a versatile and powerful cordless circular saw that is ideal for a variety of applications. It is perfect for cutting plywood, 2x4s, and other materials. The saw is easy to use and maintain, and it is backed by a 3-year limited warranty.

Pros

• Powerful motor
• Long battery life
• Durable construction
• Versatile bevel capacity
• Easy to use
• Affordable

Cons

• No included battery or charger
• Can be difficult to control at high speeds
• Not ideal for heavy-duty use

Overall, the DeWalt DC390B is a great option for homeowners and DIYers who need a powerful and versatile cordless circular saw. It is easy to use and maintain, and it is backed by a 3-year limited warranty.

DeWalt DC390B Compare with Similar Item

a table comparing the DeWalt DC390B to two similar cordless circular saws:

Feature	DeWalt DC390B	Makita XFD07Z	Milwaukee 2730-20
Voltage	18V	18V	18V
Max. blade diameter	6-1/2"	6-1/2"	6-1/2"
Max. cut depth (at 90°)	2-1/4"	2-1/4"	2-1/4"
Max. cut depth (at 45°)	1-3/4"	1-3/4"	1-3/4"
No-load speed	3,800 RPM	3,800 RPM	4,500 RPM
Weight	6.5 lbs.	6.2 lbs.	5.8 lbs.
Price	$129	$149	$169

As you can see, the DeWalt DC390B is a very capable cordless circular saw. It is lightweight, powerful, and affordable. However, it does not have the fastest no-load speed of the three saws. The Makita XFD07Z is a bit heavier and more expensive than the DeWalt DC390B, but it has a faster no-load speed. The Milwaukee 2730-20 is the lightest and most expensive of the three saws, but it has the fastest no-load speed.

Ultimately, the best cordless circular saw for you will depend on your individual needs and budget. If you are looking for a lightweight, affordable saw, the DeWalt DC390B is a great option. If you need a saw with a faster no-load speed, the Makita XFD07Z is a good choice. And if you are looking for the lightest and most powerful saw, the Milwaukee 2730-20 is the best option.

DeWalt DC390B Pros/Cons and My Thought

a comprehensive review of the DeWalt DC390B cordless drill, including pros, cons, user reviews, and my thoughts.

Pros:

• Powerful motor: The DeWalt DC390B has a powerful 20V Max motor that can handle a variety of tasks, from drilling holes to driving screws.
• Lightweight and compact design: The DC390B is lightweight and compact, making it easy to maneuver in tight spaces.
• Long battery life: The DC390B comes with a 2.0Ah battery that provides long battery life for extended use.
• Durable construction: The DC390B is made with durable materials that can withstand heavy use.
• Two speed settings: The DC390B has two speed settings, which allows you to choose the right speed for the task at hand.
• Keyless chuck: The DC390B has a keyless chuck that makes it easy to change bits.

Cons:

• No belt clip: The DC390B does not come with a belt clip, which can make it difficult to carry the drill when you are working.
• No LED work light: The DC390B does not have an LED work light, which can make it difficult to see what you are drilling or screwing into in low-light conditions.
• High price: The DC390B is a bit more expensive than some other cordless drills on the market.

User reviews:

Overall, users are very pleased with the DeWalt DC390B cordless drill. They praise its powerful motor, lightweight design, and long battery life. Some users also mentioned that they appreciate the two speed settings and keyless chuck. However, a few users did complain about the lack of a belt clip and LED work light.

My thoughts:

The DeWalt DC390B is a great cordless drill for the price. It has a powerful motor, lightweight design, and long battery life. I would recommend it to anyone looking for a reliable and versatile drill.

Here are some additional thoughts on the DeWalt DC390B:

• The two speed settings are useful for a variety of tasks. The high speed is great for drilling through wood and other materials, while the low speed is better for driving screws.
• The keyless chuck makes it easy to change bits quickly and easily.
• The lack of a belt clip and LED work light are minor drawbacks, but they may be important to some users.

Overall, I think the DeWalt DC390B is a great cordless drill for the price. It is powerful, lightweight, and has a long battery life. I would recommend it to anyone looking for a reliable and versatile drill.

DeWalt DC390B Where To Buy

Here are some places where you can buy the DeWalt DC390B cordless circular saw and spare parts:

• DeWalt Direct: You can buy the saw directly from DeWalt's website. This is the most expensive option, but you will get a genuine DeWalt product and a warranty.
  
• Walmart: Walmart is a good option if you are looking for a lower price. You can often find the saw on sale at Walmart.
  
• Amazon: Amazon is another good option for finding the saw at a lower price. You can also find a variety of spare parts and accessories on Amazon.
  
• Best Buy: Best Buy is a good option if you want to see the saw in person before you buy it. You can also find a variety of spare parts and accessories at Best Buy.
  
• Lowe's: Lowe's is a good option if you are looking for a local store to buy the saw from. You can also find a variety of spare parts and accessories at Lowe's.
  
• eBay: eBay is a good option if you are looking for a used or refurbished saw. You can often find the saw at a lower price on eBay.
  

When buying spare parts, it is important to make sure that they are compatible with the saw. You can usually find this information in the saw's manual. You can also contact DeWalt customer service for help finding compatible spare parts.

DeWalt DC390B Problems and Solutions

The DeWalt DC390B is a popular cordless drill, but it can experience some common problems. Here are a few of the most common issues and solutions:

Problem: The drill won't turn on.

Solution: Check the battery to make sure it is charged. If the battery is charged, try cleaning the battery contacts with a cotton swab and rubbing alcohol. If the drill still won't turn on, it may need to be repaired or replaced.

Problem: The drill is not drilling straight.

Solution: Check the chuck to make sure it is tightened properly. If the chuck is tight, try adjusting the drill's trigger speed. If the drill is still not drilling straight, it may need to be repaired or replaced.

Problem: The drill is smoking or making strange noises.

Solution: Immediately stop using the drill and unplug it. Do not attempt to use the drill again until it has been inspected by a qualified technician.

These are just a few of the most common problems that can occur with the DeWalt DC390B. If you experience any of these problems, please consult the owner's manual for further instructions.

Here are some additional tips for troubleshooting common DeWalt DC390B problems:

• If the drill is not turning on, check the battery to make sure it is inserted properly and that the battery contacts are clean.
• If the drill is not drilling straight, check the chuck to make sure it is tightened properly. If the chuck is tight, try adjusting the drill's trigger speed.
• If the drill is smoking or making strange noises, immediately stop using the drill and unplug it. Do not attempt to use the drill again until it has been inspected by a qualified technician.

If you are unable to resolve the problem yourself, please contact DeWalt customer service for assistance.

DeWalt DC390B Manual

DeWalt DC390B Manual

Safety Information

• Read all instructions before using this tool.
• Failure to follow all instructions listed below may result in electric shock, fire, and/or serious personal injury.
• Do not use this tool if it is damaged.
• Do not use this tool in wet or damp locations.
• Keep this tool away from children.
• Do not use this tool for any other purpose than what it is intended for.
• Use only DeWalt replacement parts.
• Always wear safety glasses when using this tool.
• Wear other personal protective equipment (PPE) as required for the job.
• Be aware of your surroundings and do not use this tool if there is a risk of injury to yourself or others.
• Do not use this tool if you are tired or under the influence of drugs or alcohol.
• Do not overreach. Keep proper footing and balance at all times.
• Use the tool only for its intended use.
• Do not use attachments or accessories not recommended by the manufacturer.
• Do not use this tool if the switch does not turn it on or off.
• Do not use this tool if the cord is damaged.
• Do not use this tool if it is not working properly.
• Have the tool repaired by a qualified service technician.

Before Use

• Make sure the tool is turned off before connecting it to a power source.
• Check the cord for any damage before using the tool.
• Make sure the tool is properly grounded.
• Inspect the tool for any loose or damaged parts.
• Do not use the tool if any parts are damaged.

Troubleshooting

If the tool is not working properly, try the following:

• Check the power cord for any damage.
• Make sure the tool is properly plugged in.
• Check the fuse or circuit breaker.
• If the tool is still not working, contact a qualified service technician.

Maintenance

• Keep the tool clean and free of debris.
• Inspect the tool for any loose or damaged parts.
• Do not use the tool if any parts are damaged.
• Have the tool serviced by a qualified service technician at least once a year.

Warranty

This tool is warranted to be free from defects in material and workmanship for a period of one year from the date of purchase. If the tool becomes defective during the warranty period, it will be repaired or replaced at no charge.

Contact Information

For more information about this tool or to contact DeWalt customer service, please visit the DeWalt website at www.dewalt.com or call 1-800-433-9258.

Additional Information

• This tool is not intended for use by children.
• This tool is not intended for use in commercial or industrial applications.
• This tool should not be used for any other purpose than what it is intended for.
• Do not use this tool if it is not working properly.
• Have the tool repaired by a qualified service technician.