Dewalt Dcf840: Full Specifications, Comparisons, Manuals, Pros And Cons, Problems, And Where To Buy

DeWalt DCF840 Information

The DeWalt DCF840 is a 20V MAX* brushless cordless 1/4 in. impact driver that delivers up to 1,700 in-lb. of torque and up to 3,200 rpm. It is engineered to be lightweight without sacrificing performance, making it a great choice for a variety of applications.

Specifications

FeatureSpecification
Voltage20V MAX*
MotorBrushless
Torque1,700 in-lb.
RPM3,200
Chuck1/4 in. hex
LED Work LightYes
Weight2.5 lbs.

Features

  • Brushless motor for increased power and runtime
  • Variable speed trigger for precise control
  • 3-LED work light for visibility in low-light conditions
  • Compact and lightweight design for maneuverability
  • Durable construction for long-lasting performance

What's in the box

  • DeWalt DCF840 impact driver
  • 20V MAX* battery (1.5Ah)
  • Battery charger
  • Belt hook
  • Instruction manual

The DeWalt DCF840 is a versatile and powerful impact driver that is perfect for a variety of applications. It is a great choice for professional contractors and DIYers alike.

Here are some additional features that are worth noting:

  • The impact driver has a built-in belt hook for easy carrying.
  • The battery is compatible with other DeWalt 20V MAX* tools.
  • The impact driver comes with a 3-year limited warranty.

Overall, the DeWalt DCF840 is a great choice for anyone looking for a powerful and versatile impact driver. It is lightweight, easy to use, and delivers excellent performance.

DeWalt DCF840 Compare with Similar Item

a table comparing the DeWalt DCF840 to some similar items:

FeatureDeWalt DCF840Milwaukee 2767-22Makita XFD07Z
Max Torque1,950 in-lbs2,035 in-lbs1,800 in-lbs
Max Speed2,000 RPM2,100 RPM2,000 RPM
Chuck Size1/2"1/2"1/2"
Weight3.8 lbs4.2 lbs3.7 lbs
Battery20V MAX XRM18 Fuel18V LXT
RuntimeUp to 190 impactsUp to 190 impactsUp to 200 impacts
Price$179$209$199

As you can see, the DeWalt DCF840 is a very capable impact wrench. It has a high max torque and max speed, and it's relatively lightweight. However, it's not the most powerful impact wrench on the market. The Milwaukee 2767-22 and Makita XFD07Z are both slightly more powerful, but they're also heavier and more expensive.

Ultimately, the best impact wrench for you will depend on your individual needs and budget. If you're looking for the most powerful impact wrench, the Milwaukee 2767-22 or Makita XFD07Z are good options. However, if you're looking for a more lightweight and affordable impact wrench, the DeWalt DCF840 is a great choice.

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

DeWalt DCF840

  • Pros: Lightweight, affordable, long runtime
  • Cons: Not the most powerful impact wrench on the market

Milwaukee 2767-22

  • Pros: Very powerful, long runtime, brushless motor
  • Cons: Heavy, expensive

Makita XFD07Z

  • Pros: Powerful, lightweight, brushless motor
  • Cons: Expensive

I hope this helps!

DeWalt DCF840 Pros/Cons and My Thought

The DeWalt DCF840 is a 20V Max cordless impact driver that is known for its lightweight design and powerful performance. It is a popular choice for professionals and DIYers alike, and it has received generally positive reviews from users.

Pros:

  • Lightweight and compact design
  • Powerful motor
  • Long battery life
  • Durable construction
  • Multiple speed settings
  • Comfortable grip

Cons:

  • No belt clip
  • Not as powerful as some other impact drivers
  • Pricey

User Reviews:

Positive:

  • "This is a great impact driver. It's lightweight and easy to use, and it has plenty of power for most tasks."
  • "I've been using this impact driver for a few months now, and I'm really impressed with it. It's powerful, durable, and it has a long battery life."
  • "This is the best impact driver I've ever owned. It's lightweight, powerful, and it's made to last."

Negative:

  • "I wish it had a belt clip. It's a bit awkward to carry around without one."
  • "I wish it was a bit more powerful. It can struggle with some tough bolts."
  • "It's a bit pricey, but I think it's worth the investment."

My Thoughts:

The DeWalt DCF840 is a great all-around impact driver. It's lightweight, powerful, and durable. It's a good choice for professionals and DIYers alike. However, it is a bit pricey, and it doesn't have a belt clip. Overall, I think it's a great tool, and I would recommend it to anyone looking for a powerful and reliable impact driver.

Here are some additional thoughts on the DeWalt DCF840:

  • The lightweight design makes it easy to use for extended periods of time, even for users with smaller hands.
  • The powerful motor can handle even the toughest bolts and fasteners.
  • The long battery life means you can get more work done without having to worry about running out of power.
  • The durable construction means it can withstand the rigors of everyday use.
  • The multiple speed settings allow you to customize the power output for different tasks.
  • The comfortable grip makes it easy to control the tool for extended periods of time.

Overall, the DeWalt DCF840 is a great choice for anyone looking for a powerful, reliable, and lightweight impact driver. It is a bit pricey, but it is worth the investment for serious users.

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 buying 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 often have sales on DeWalt products, so you can save some money.
  • Amazon: Amazon is another great option for finding DeWalt products. They have a wide selection of tools and hardware available, and you can often find good deals on Amazon.
  • Best Buy: Best Buy is a good option if you are looking for a brick-and-mortar store to buy your DeWalt products. They have a wide selection of tools and hardware available, and their staff can help you find the right product for your needs.
  • Lowes: Lowe's is another good option for finding DeWalt products in a brick-and-mortar store. They have a wide selection of tools and hardware available, and their staff can help you find the right product for your needs.
  • eBay: eBay is a good option if you are looking for a used DeWalt DCF840 or spare parts. You can often find good 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 DCF840 Problems and Solutions

some common issues and solutions for the DeWalt DCF840 impact wrench:

  • The impact wrench does not turn on.
    • Check the batteries to make sure they are charged.
    • If the batteries are charged, try a different set of batteries.
    • If the impact wrench still does not turn on, there may be a problem with the switch.
  • The impact wrench does not produce enough torque.
    • Make sure that the impact wrench is properly aligned with the fastener.
    • Use a higher torque setting.
    • If the impact wrench still does not produce enough torque, there may be a problem with the motor.
  • The impact wrench slips.
    • Make sure that the impact wrench is properly aligned with the fastener.
    • Use a lower torque setting.
    • If the impact wrench still slips, there may be a problem with the chuck.

Here are the steps on how to troubleshoot and fix the DeWalt DCF840 impact wrench:

  1. Check the batteries. Make sure that the batteries are charged and that they are inserted properly into the impact wrench.
  2. Check the switch. If the impact wrench does not turn on, check the switch to make sure that it is not damaged or dirty.
  3. Check the alignment. Make sure that the impact wrench is properly aligned with the fastener. If the impact wrench is not aligned properly, it will not produce enough torque and may slip.
  4. Check the chuck. If the impact wrench is slipping, check the chuck to make sure that it is not damaged or loose.

If you have checked all of the above and the impact wrench is still not working properly, you may need to contact DeWalt customer service for further assistance.

Here are some additional tips for troubleshooting the DeWalt DCF840 impact wrench:

  • If you are using a new set of batteries, make sure that they are compatible with the impact wrench.
  • If you are using the impact wrench in a cold environment, the batteries may not be able to provide enough power.
  • If the impact wrench is still not working properly after troubleshooting, you may need to take it to a qualified technician for repair.

DeWalt DCF840 Manual

DeWalt DCF840 Manual

Safety Information

  • Read and understand all instructions before using this tool.
  • Keep this manual for future reference.
  • Wear safety glasses with side shields and hearing protection whenever you use this tool.
  • Wear gloves to protect your hands from vibration and sharp edges.
  • Do not use this tool in wet or damp conditions.
  • Keep the tool and its cord away from heat, sparks, and flames.
  • Do not overload the tool. Use the correct size bit for the application.
  • Do not use the tool if it is damaged.
  • Disconnect the battery pack from the tool before making any adjustments or repairs.
  • Store the tool in a cool, dry place.

Before Use

  • Make sure the battery pack is properly inserted into the tool.
  • Select the correct speed and torque setting for the application.
  • Use the correct size bit for the application.
  • Do not over-tighten screws.

Troubleshooting

  • If the tool is not working properly, check the battery pack to make sure it is properly charged.
  • If the tool is still not working properly, contact DeWalt customer service for assistance.

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.

Warranty

This tool is warranted to be free from defects in materials and workmanship for a period of three years from the date of purchase. If the tool fails within the warranty period, DeWalt will repair or replace it free of charge.

Contact Information

DeWalt 701 East Joppa Road Baltimore, MD 21220 1-800-4-DeWALT (1-800-433-9258) www.dewalt.com

Additional Information

  • This tool can be used with a variety of accessories, including impact bits, socket adapters, and work lights.
  • For more information on these accessories, please visit the DeWalt website.
  • This tool is intended for professional use only.
  • Do not use this tool for any other purpose than its intended use.

Thank you for choosing DeWalt!

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