Dewalt Dcf840: Understanding Key Features, Comparisons, Manuals, And Reputable Buying Options

DeWalt DCF840 Information

The DeWalt DCF840 is a 20V MAX brushless cordless impact driver that offers a balance of power and performance. It features a brushless motor that delivers up to 1,700 in-lbs of torque and up to 3,200 rpm, making it capable of driving large-diameter screws and fasteners. The impact driver is also lightweight and compact, making it easy to maneuver in tight spaces.

Image of DeWalt DCF840 impact driver

Specifications

  • Motor: Brushless
  • Max Torque: 1,700 in-lbs
  • Max RPM: 3,200
  • Chuck Type: 1/4" Hex
  • Battery Type: 20V MAX
  • Battery Included: Yes (2-pack)
  • Weight: 3.1 lbs

Features

  • Brushless motor for increased power and runtime
  • 3-LED work light for improved visibility in low-light conditions
  • Variable speed trigger for precise control
  • Compact and lightweight design for easy maneuverability
  • Tool-free chuck for quick and easy bit changes

What's in the box

  • DeWalt DCF840 impact driver
  • 2 x 20V MAX batteries
  • Battery charger
  • Belt clip
  • Instruction manual

The DeWalt DCF840 is a great choice for a variety of applications, including framing, roofing, and woodworking. It's also a good option for DIYers who need a powerful and versatile impact driver.

Pros

  • Powerful brushless motor
  • Long runtime
  • Compact and lightweight design
  • Tool-free chuck
  • 3-LED work light

Cons

  • No belt hook included
  • No carrying case included

Overall, the DeWalt DCF840 is a great value for the price. It's a powerful and versatile impact driver that's perfect for a variety of applications. If you're looking for a reliable and efficient impact driver, the DCF840 is a great option.

Here is a table of the full specifications of the DeWalt DCF840:

FeatureSpecification
MotorBrushless
Max Torque1,700 in-lbs
Max RPM3,200
Chuck Type1/4" Hex
Battery Type20V MAX
Battery IncludedYes (2-pack)
Weight3.1 lbs

I hope this information is helpful. Please let me know if you have any other questions.

DeWalt DCF840 Compare with Similar Item

a table comparing the DeWalt DCF840 impact driver to two similar models:

FeatureDeWalt DCF840DeWalt DCF887Milwaukee 2760-20
Max torque1,775 inch-pounds2,035 inch-pounds1,800 inch-pounds
Max speed3,100 RPM3,200 RPM3,000 RPM
Battery type20V Max20V Max18V
Battery life2.5 hours3 hours3.5 hours
Weight3.3 pounds3.4 pounds3.3 pounds
Price$199$249$229

As you can see, the DeWalt DCF840 is a powerful impact driver that offers a good balance of performance and price. It is slightly less powerful than the DeWalt DCF887, but it is also lighter and has a longer battery life. The Milwaukee 2760-20 is also a good option, but it is slightly more expensive.

Here is a brief overview of the key differences between the three models:

  • DeWalt DCF840: This is the most affordable model, but it still offers a good amount of power and performance. It is a good choice for general-purpose use.
  • DeWalt DCF887: This is the most powerful model, but it is also the heaviest and most expensive. It is a good choice for heavy-duty applications.
  • Milwaukee 2760-20: This model is a good compromise between power and price. It is slightly more powerful than the DeWalt DCF840, but it is also slightly more expensive.

Ultimately, the best impact driver for you will depend on your specific needs and budget. If you are looking for a powerful and affordable option, the DeWalt DCF840 is a good choice. If you need the most powerful impact driver available, the DeWalt DCF887 is a good option. And if you are looking for a good compromise between power and price, the Milwaukee 2760-20 is a good choice.

DeWalt DCF840 Pros/Cons and My Thought

The DeWalt DCF840 is a 12-volt max impact driver that is known for its lightweight design and powerful performance. It has a brushless motor that delivers up to 1,750 inch-pounds of torque, making it capable of driving even the most stubborn fasteners. The DCF840 also features a variable speed trigger that allows for precise control, as well as a two-speed gearbox that provides the right amount of power for any application.

Pros:

  • Lightweight and compact design
  • Powerful brushless motor
  • Variable speed trigger
  • Two-speed gearbox
  • Durable construction
  • Long battery life

Cons:

  • Not as powerful as some 18-volt impact drivers
  • No belt clip
  • Can be a bit noisy

User Reviews:

Positive:

  • "This is the best impact driver I've ever owned. It's lightweight and powerful, and it gets the job done quickly."
  • "I love the variable speed trigger on this impact driver. It allows me to have precise control over the amount of torque I'm applying."
  • "This impact driver is built to last. I've been using it for years, and it's still going strong."

Negative:

  • "I wish this impact driver was a bit more powerful. It can struggle with some of the more stubborn fasteners."
  • "I would like to see a belt clip included with this impact driver."
  • "This impact driver can be a bit noisy. If you're working in a quiet environment, it might be a bit too loud."

My Thoughts:

The DeWalt DCF840 is a great impact driver for those who are looking for a lightweight and powerful tool. It's perfect for everyday tasks around the house or workshop. However, if you need an impact driver for heavy-duty work, you might want to consider a more powerful model.

Overall, I think the DeWalt DCF840 is a great value for the price. It's a well-made tool that delivers powerful performance in a lightweight package. If you're looking for an impact driver that won't weigh you down, the DCF840 is a great option.

Here are some additional thoughts on the DeWalt DCF840:

  • The variable speed trigger is a great feature that allows you to have precise control over the amount of torque you're applying. This is especially useful when working with delicate materials or small fasteners.
  • The two-speed gearbox is also a nice feature that gives you the option of using more or less power depending on the application. This can help you save battery life and extend the lifespan of the tool.
  • The DCF840 is a bit noisy, but it's not as loud as some other impact drivers on the market. If you're working in a quiet environment, you might want to wear ear protection.
  • Overall, I think the DeWalt DCF840 is a great impact driver for the price. It's lightweight, powerful, and well-made. If you're looking for an impact driver that won't weigh you down, the DCF840 is a great option.

DeWalt DCF840 Where To Buy

some places where you can buy a DeWalt DCF840 and spare parts:

  • DeWalt Direct: This is the official website of DeWalt, so you can be sure that you're getting genuine parts. They also offer free shipping on orders over $49. Image of DeWalt Direct website
  • Walmart: Walmart is a great place to find DeWalt tools and parts at a good price. They often have sales and clearance items, so you can save even more money. Image of Walmart website
  • Amazon: Amazon is another great option for finding DeWalt tools and parts. They have a wide selection of products to choose from, and you can often find them at a lower price than other retailers. Image of Amazon website
  • Best Buy: Best Buy is a good option if you're looking for a brick-and-mortar store where you can buy a DeWalt DCF840. They have a good selection of tools and parts, and their customer service is usually very good. Image of Best Buy website
  • Lowes: Lowes is another good option for buying a DeWalt DCF840 in person. They have a wide selection of tools and parts, and their prices are usually competitive. Image of Lowes website
  • eBay: eBay is a good option if you're looking for a used DeWalt DCF840 or spare parts. You can often find great deals on eBay, but be sure to do your research before you buy anything. Image of eBay website

I hope this helps!

DeWalt DCF840 Problems and Solutions

The DeWalt DCF840 is a powerful drill that is known for its durability and reliability. However, even the best tools can experience problems from time to time. Here are some of the most common issues with the DeWalt DCF840 and how to fix them:

Problem: The drill won't turn on.

Solution:

  1. Check the battery pack to make sure it is charged.
  2. If the battery pack is charged, try a different battery pack.
  3. If the drill still won't turn on, check the fuse. The fuse is located on the side of the drill, near the battery compartment. If the fuse is blown, it will need to be replaced.

Problem: The drill is not drilling as fast or as smoothly as it used to.

Solution:

  1. Check the chuck to make sure it is tightened properly.
  2. If the chuck is tightened properly, try cleaning the chuck and the drill bit.
  3. If the drill is still not drilling as fast or as smoothly as it used to, the motor may need to be replaced.

Problem: The drill is making a loud noise.

Solution:

  1. Check the chuck to make sure it is tightened properly.
  2. If the chuck is tightened properly, the noise may be coming from the motor. If the noise is coming from the motor, it may need to be replaced.

Problem: The drill is not driving screws as well as it used to.

Solution:

  1. Check the screw bit to make sure it is sharp.
  2. If the screw bit is sharp, try cleaning the screw bit.
  3. If the drill is still not driving screws as well as it used to, the clutch may need to be adjusted.

If you are experiencing any of these problems with your DeWalt DCF840, you can try the solutions listed above. If the problems persist, you may need to contact DeWalt customer support for further assistance.

Here are some additional tips for troubleshooting your DeWalt DCF840:

  • If you are unsure how to fix a problem, consult the owner's manual.
  • If you are still having trouble, you can contact DeWalt customer support for assistance.
  • Be sure to use genuine DeWalt batteries and accessories. Using third-party batteries or accessories can void your warranty and may cause problems with your drill.

I hope this helps!

DeWalt DCF840 Manual

DeWalt DCF840 Manual

Safety Information

  • Read all safety warnings and instructions before using this tool.
  • Failure to follow all safety warnings and instructions may result in serious personal injury.
  • Keep this tool out of the reach of children.
  • Do not use this tool if it is damaged or malfunctioning.
  • Use safety glasses and hearing protection when using this tool.
  • Wear gloves to protect your hands from vibration and heat.
  • Use the appropriate dust extractor vacuum to remove dust.
  • Secure the workpiece to a stable platform before drilling or driving screws.
  • Do not overload the tool.
  • Allow the tool to cool down before storing it.

Before Use

  • Inspect the tool before each use.
  • Make sure that all fasteners are tight.
  • Check the battery level.
  • Charge the battery if necessary.
  • Install the battery pack.
  • Select the appropriate speed and torque setting.

Troubleshooting

  • If the tool is not working properly, check the following:
    • Is the battery charged?
    • Is the tool plugged in?
    • Is the workpiece properly secured?
    • Is the correct speed and torque setting selected?
    • Are the fasteners the correct size and type?

Maintenance

  • Keep the tool clean and free of debris.
  • Inspect the tool regularly for signs of wear or damage.
  • Replace worn or damaged parts as needed.
  • Store the tool in a cool, dry place.

Warranty

  • This tool is covered by a three-year limited warranty.
  • For more information, please visit www.dewalt.com.

Contact Information

Additional Information

  • This tool is designed for professional use.
  • Do not use this tool for any other purpose than what it is designed for.
  • Use this tool only with DeWalt batteries and chargers.
  • Do not use this tool if it is not compatible with your battery.

Thank you for choosing DeWalt.

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