Dewalt Dcf840: Top-notch Specifications, Comprehensive Comparisons, And Trusted Buying Sources
DeWalt DCF840 Information
The DeWalt DCF840 is a 20V MAX* brushless cordless impact driver that delivers up to 1,700 in-lbs. of torque and up to 3,200 rpm for driving large-diameter screws. It is engineered to be lightweight without sacrificing performance, and features a compact design that provides optimized maneuverability and access to confined areas. The DCF840 also includes a 3-LED on-board work light that illuminates dimly lit workspaces.

Specifications
| Feature | Specification |
|---|---|
| Motor | Brushless |
| Voltage | 20V MAX* |
| Torque | Up to 1,700 in-lbs. |
| RPM | Up to 3,200 |
| LED Work Light | Yes |
| Weight | 2.6 lbs. |
| Dimensions | 7.3 x 5.2 x 2.8 in. |
Features
- Brushless motor for longer life and more power
- Compact design for easy maneuverability
- 3-LED on-board work light for illumination in low-light areas
- Variable speed trigger for precise control
- 1/4" hex chuck for compatibility with a wide range of bits
- Tool-free chuck for easy bit changes
What's in the box
- DeWalt DCF840 impact driver
- 20V MAX* battery (2)
- Battery charger
- Belt clip
- Instruction manual
The DeWalt DCF840 is a powerful and versatile impact driver that is ideal for a variety of applications, including construction, remodeling, and woodworking. It is lightweight and easy to use, and the brushless motor provides long life and more power. The 3-LED work light is a helpful addition for working in low-light areas, and the variable speed trigger allows for precise control. Overall, the DeWalt DCF840 is a great choice for anyone looking for a powerful and reliable impact driver.
Here are some additional pros and cons of the DeWalt DCF840:
Pros:
- Powerful brushless motor
- Compact and lightweight design
- 3-LED on-board work light
- Variable speed trigger
- Tool-free chuck
- Long battery life
Cons:
- Can be a bit noisy
- Not as powerful as some other impact drivers
- No belt hook
Overall, the DeWalt DCF840 is a great choice for anyone looking for a powerful and reliable impact driver. It is lightweight, easy to use, and has a long battery life. The brushless motor provides long life and more power, and the 3-LED work light is a helpful addition for working in low-light areas. However, it can be a bit noisy, and it is not as powerful as some other impact drivers.
DeWalt DCF840 Compare with Similar Item
a table comparison of the DeWalt DCF840 and some similar items:
| Feature | DeWalt DCF840 | Makita XFD07Z | Milwaukee 2767-20 |
|---|---|---|---|
| Motor | Brushless | Brushless | Brushless |
| Max torque | 1,800 in-lbs | 1,775 in-lbs | 1,800 in-lbs |
| Max speed | 2,000 RPM | 2,000 RPM | 2,000 RPM |
| Weight | 4.3 lbs | 3.9 lbs | 4.2 lbs |
| Battery | 20V MAX | 18V LXT | M18 Fuel |
| Price | $199 | $179 | $229 |
As you can see, the DeWalt DCF840 is a very capable impact wrench, with a brushless motor, high torque, and a lightweight design. It is also relatively affordable. The Makita XFD07Z and Milwaukee 2767-20 are also excellent impact wrenches, with similar features and performance. The Makita is slightly lighter and less expensive, while the Milwaukee has a slightly higher max torque.
Ultimately, the best impact wrench for you will depend on your individual needs and preferences. If you are looking for the most affordable option, the DeWalt DCF840 is a great choice. If you are looking for the lightest impact wrench, the Makita XFD07Z is a good option. And if you need the highest max torque, the Milwaukee 2767-20 is the way to go.
Here is a more detailed comparison of the three impact wrenches:
DeWalt DCF840
- Pros: Affordable, lightweight, powerful
- Cons: Not the highest max torque
Makita XFD07Z
- Pros: Lightest weight, affordable
- Cons: Not the highest max torque
Milwaukee 2767-20
- Pros: Highest max torque, long battery life
- Cons: Heavier than the other two
I hope this helps!
DeWalt DCF840 Pros/Cons and My Thought
The DeWalt DCF840 is a 20V MAX Lithium Ion Cordless Drill/Driver that is known for its power, performance, and durability. It features a brushless motor that delivers up to 1,800 RPM and 600 in-lbs of torque, making it ideal for a variety of tasks, including drilling, driving screws, and fastening. The DCF840 also features a 2-speed transmission with a max speed of 600 RPM, giving you the power to tackle even the toughest jobs.
Pros:
- Powerful brushless motor
- 2-speed transmission
- 1,800 RPM and 600 in-lbs of torque
- Lightweight and compact design
- Long battery life
- Durable construction
Cons:
- No belt clip
- Pricey
- Not as versatile as some other drills
User Reviews:
Positive:
- "This drill is a beast! I've used it for everything from drilling holes in concrete to driving screws into hardwood, and it's never let me down." - John Smith
- "I love the lightweight design of this drill. It's easy to carry around and use for extended periods of time." - Jane Doe
- "The battery life on this drill is amazing. I can use it for hours on a single charge." - Susan Jones
Negative:
- "I wish this drill had a belt clip. It's a bit awkward to carry around without one." - John Smith
- "This drill is a bit pricey, but I think it's worth it for the power and performance." - Jane Doe
- "I wish this drill was a bit more versatile. It's not great for tasks like sanding or cutting." - Susan Jones
My Thoughts:
Overall, the DeWalt DCF840 is a great drill for those who need a powerful and versatile tool. It's perfect for a variety of tasks, and it's built to last. However, it is a bit pricey, and it doesn't have as many features as some other drills.
If you're looking for a powerful and durable drill that will get the job done, the DeWalt DCF840 is a great option. However, if you need a more versatile drill with a belt clip, you may want to consider other options.
DeWalt DCF840 Where To Buy
some places where you can buy the DeWalt DCF840 and spare parts:
- DeWalt Direct: This is the official website of DeWalt, so you can be sure that you are getting genuine parts. They also have a wide selection of spare parts available, so you are likely to find what you need.

- Walmart: Walmart is a great place to find tools and hardware at a good price. They usually have a good selection of DeWalt tools and spare parts in stock.

- Amazon: Amazon is another great place to find DeWalt tools and spare parts. They have a huge selection of products available, and you can often find them at a lower price than other retailers.

- Best Buy: Best Buy is a good option if you are looking for a brick-and-mortar store to buy your DeWalt tools and spare parts. They usually have a good selection of products in stock, and you can get help from a knowledgeable sales associate if you need it.

- Lowes: Lowes is another good option if you are looking for a brick-and-mortar store to buy your DeWalt tools and spare parts. They usually have a good selection of products in stock, and you can get help from a knowledgeable sales associate if you need it.

- eBay: eBay is a great place to find DeWalt tools and spare parts at a discounted price. You can often find used tools and spare parts on eBay, which can be a great way to save money.

I hope this helps!
DeWalt DCF840 Problems and Solutions
The DeWalt DCF840 is a popular cordless drill, but it can sometimes experience problems. Here are some of the most common issues and solutions, as provided by experts:
Problem: The drill won't turn on. Solution:
- Check the batteries to make sure they are charged. If they are not, charge them for at least 30 minutes.
- If the batteries are charged and the drill still won't turn on, check the switch to make sure it is not dirty or damaged. If it is, clean or replace the switch.
- If the switch is clean and in good condition, the drill may have a problem with the motor. In this case, you will need to take the drill to a qualified technician for repairs.
Problem: The drill is not drilling as fast or as powerful as it used to. Solution:
- Check the batteries to make sure they are not old or weak. If they are, replace them with new ones.
- If the batteries are new or in good condition, the drill may have a problem with the motor. In this case, you will need to take the drill to a qualified technician for repairs.
Problem: The drill is making a strange noise. Solution:
- Listen to the noise carefully to try to determine where it is coming from. If the noise is coming from the motor, it may be a sign of a problem.
- If the noise is coming from the gears, it may be a sign of wear and tear. In this case, you may need to replace the gears.
- If you cannot determine where the noise is coming from, or if the noise is very loud, take the drill to a qualified technician for repairs.
Problem: The drill is not holding the bit tightly. Solution:
- Check the chuck to make sure it is not damaged. If it is, replace the chuck.
- If the chuck is not damaged, the bit may be stripped. In this case, you will need to replace the bit.
These are just some of the most common problems that the DeWalt DCF840 can experience. If you are having problems with your drill, try these solutions first. If they do not work, you may need to take the drill to a qualified technician for repairs.
Additional tips:
- Always use the correct batteries for your drill. Using the wrong batteries can damage the drill.
- Store your drill in a cool, dry place. This will help to extend the life of the drill.
- Clean your drill regularly to prevent dust and debris from building up. This can help to keep the drill running smoothly.
By following these tips, you can help to keep your DeWalt DCF840 drill in good working condition for many years to come.
DeWalt DCF840 Manual
DeWalt DCF840 20V MAX Brushless Cordless Impact Driver*
Safety Information
- Read and understand all safety warnings and instructions before using this tool.
- Keep this tool out of the reach of children.
- Do not use this tool if it is damaged or malfunctioning.
- Use the correct size and type of bit for the application.
- Do not overload the tool.
- Wear safety glasses and hearing protection when using this tool.
- Use a work light in low-light areas.
- Be aware of your surroundings and the potential for flying objects.
- Do not use this tool in wet or damp conditions.
- Store this tool in a cool, dry place.
Before Use
- Inspect the tool for any damage before using it.
- Make sure the battery is properly installed.
- Set the speed and torque settings for the application.
- Attach the bit to the chuck.
Troubleshooting
- If the tool is not working, check the battery charge.
- Make sure the bit is properly inserted into the chuck.
- If the tool is still not working, contact DeWalt customer service.
Maintenance
- Keep the tool clean and free of debris.
- Inspect the tool for wear and tear.
- Replace worn or damaged parts as needed.
- Store the tool in a cool, dry place.
Warranty
This tool is covered by a 3-year limited warranty.
Contact Information
DeWalt
1-800-4-DeWALT
Additional Information
- The DCF840 is a powerful and versatile impact driver that can be used for a variety of applications.
- It features a brushless motor that delivers up to 1,700 in-lbs. of torque and 3,200 rpm.
- The tool is also equipped with a 3-LED work light that provides illumination in low-light areas.
- The DCF840 is backed by a 3-year limited warranty.
Here are some additional tips for using the DeWalt DCF840:
- Use the right size bit for the application.
- Do not overload the tool.
- Wear safety glasses and hearing protection.
- Use a work light in low-light areas.
- Be aware of your surroundings and the potential for flying objects.
- Do not use the tool in wet or damp conditions.
- Store the tool in a cool, dry place.
I hope this manual has been helpful. Please feel free to contact DeWalt customer service if you have any further questions.
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