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 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 the compact design provides optimized maneuverability and access to confined areas. The DCF840 also features a 3-LED on-board work light that illuminates dimly lit workspaces. Image of DeWalt DCF840 impact driver

Specifications

FeatureSpecification
Motor TypeBrushless
Voltage20V MAX*
Max Torque1,700 in-lbs.
Max RPM3,200
Chuck Size1/4" Hex
LED Work LightYes
Weight3.1 lbs.

Features

  • Brushless motor delivers up to 1,700 in-lbs. of torque and up to 3,200 rpm
  • Lightweight design for easy handling
  • Compact design for access to confined areas
  • 3-LED on-board work light illuminates dimly lit workspaces
  • Durable construction for long-lasting performance
  • Ergonomic grip provides a comfortable and secure hold

What's in the box

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

The DeWalt DCF840 is a powerful and versatile impact driver that is ideal for a variety of applications, including construction, remodeling, and DIY projects. It is a great choice for users who demand a high-performance tool that is also lightweight and easy to use.

Here are some additional benefits of the DeWalt DCF840:

  • The brushless motor is more efficient than a brushed motor, which means that the DCF840 delivers more power and runtime per battery charge.
  • The compact design makes the DCF840 easy to maneuver in tight spaces.
  • The 3-LED work light provides excellent visibility in low-light conditions.
  • The durable construction ensures that the DCF840 will last for many years of use.

Overall, the DeWalt DCF840 is a great choice for users who are looking for a powerful, versatile, and durable impact driver. It is a reliable tool that will get the job done quickly and efficiently.

DeWalt DCF840 Compare with Similar Item

a table comparison of the DeWalt DCF840 and some similar items:

FeatureDeWalt DCF840Makita XFD07ZMilwaukee 2760-20
Price$199$229$249
Battery20V MAX XR18V LXTM18 Fuel
Torque1,950 in-lbs1,800 in-lbs1,800 in-lbs
Speed0-3,000 RPM0-2,800 RPM0-2,800 RPM
Weight3.7 lbs3.3 lbs3.5 lbs
FeaturesLED light, belt hook, impact mechanismLED light, belt hook, impact mechanismLED light, belt hook, impact mechanism
Warranty3 years3 years5 years

As you can see, the DeWalt DCF840 is a very affordable option that offers a good balance of power, speed, and features. The Makita XFD07Z is a bit more expensive, but it has a slightly higher torque rating and a longer battery life. The Milwaukee 2760-20 is the most expensive option, but it has the highest torque rating and the fastest speed.

Ultimately, the best option for you will depend on your individual needs and budget. If you're looking for an affordable and versatile impact wrench, the DeWalt DCF840 is a great choice. If you need more power or a longer battery life, the Makita XFD07Z is a good option. And if you need the absolute best performance, the Milwaukee 2760-20 is the way to go.

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

DeWalt DCF840

  • Pros: Affordable, versatile, good balance of power and speed
  • Cons: Battery life could be better

Makita XFD07Z

  • Pros: Higher torque rating, longer battery life, slightly lighter weight
  • Cons: More expensive than the DeWalt DCF840

Milwaukee 2760-20

  • Pros: Highest torque rating, fastest speed, 5-year warranty
  • Cons: Most expensive option

I hope this helps!

DeWalt DCF840 Pros/Cons and My Thought

The DeWalt DCF840 is a 20V Max brushless impact driver that is known for its lightweight design, compact size, and powerful performance. It is a popular choice among DIYers and professional contractors alike.

Pros:

  • Lightweight and compact design
  • Powerful performance
  • Long battery life
  • Ergonomic grip
  • Durable construction
  • Brushless motor for longer life
  • Tool-free bit change

Cons:

  • Can be a bit noisy
  • Not as powerful as some of the top-of-the-line impact drivers

User Reviews:

Positive:

  • "This is a great impact driver for the price. 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, but it's also very quiet. I would definitely recommend it to anyone looking for a new impact driver."
  • "This is the best impact driver I've ever owned. It's lightweight and easy to use, and it has plenty of power for even the toughest jobs."

Negative:

  • "I wish it was a bit more powerful. It can struggle with some of the larger lag screws."
  • "The battery life isn't the best. I find myself having to recharge it more often than I would like."
  • "It's a bit noisy. If you're working in a quiet environment, it can be a bit annoying."

My Thoughts:

Overall, the DeWalt DCF840 is a great impact driver for the price. It's lightweight, powerful, and easy to use. If you're looking for a new impact driver, I would definitely recommend it.

However, if you need the absolute most powerful impact driver on the market, then the DCF840 may not be the best choice for you. It's also worth noting that the battery life isn't the best, so you may need to recharge it more often than you would like.

Overall, I think the DeWalt DCF840 is a great value for the price. It's a powerful and versatile impact driver that is perfect for most DIY and professional tasks.

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 products. They offer a variety of payment options and free shipping on orders over $49. Image of DeWalt Direct website
  • Walmart: Walmart is a great place to find tools at a good price. They usually have a wide selection of DeWalt products, including the DCF840. You can also find spare parts for the DCF840 at Walmart. Image of Walmart website
  • Amazon: Amazon is another great option for buying tools and spare parts. They have a huge selection of DeWalt products, and you can often find good deals. Amazon also offers free shipping on many items. Image of Amazon website
  • Best Buy: Best Buy is a good option if you are looking for a brick-and-mortar store to buy the DCF840. They usually have a good selection of DeWalt products, and you can often find sales and promotions. Image of Best Buy website
  • Lowes: Lowes is another good option for buying tools and spare parts in a brick-and-mortar store. They usually have a good selection of DeWalt products, and you can often find sales and promotions. Image of Lowes website
  • eBay: eBay is a great place to find deals on used tools and spare parts. You can often find the DCF840 for a fraction of the retail price. However, it is important to be careful when buying from eBay, as there are some counterfeit products on the market. Image of eBay website

I hope this helps!

DeWalt DCF840 Problems and Solutions

some of the common issues and problems with the DeWalt DCF840 impact driver, along with their solutions:

  • The impact driver won't turn on.
    • Make sure that the impact driver is plugged in or that the batteries are inserted correctly.
    • Check the circuit breaker or fuse to make sure that there is power to the outlet.
    • If the impact driver is still not turning on, contact DeWalt customer service for assistance.
  • The impact driver is not driving screws properly.
    • Make sure that the bit is screwed into the chuck tightly.
    • Check the torque setting to make sure that it is set to the correct level.
    • Use a different bit if the one you are using is not the correct size or type.
    • If the impact driver is still not driving screws properly, contact DeWalt customer service for assistance.
  • The impact driver is making a strange noise.
    • This could be a sign of a problem with the motor or the gears.
    • Stop using the impact driver immediately and contact DeWalt customer service for assistance.
  • The impact driver is overheating.
    • This could be a sign that the impact driver is being used too heavily or that it is not getting enough air circulation.
    • Allow the impact driver to cool down before using it again.
    • If the impact driver continues to overheat, contact DeWalt customer service for assistance.

Here are some additional tips for troubleshooting common problems with the DeWalt DCF840 impact driver:

  • Check the owner's manual. The owner's manual will often have troubleshooting tips for common problems.
  • Clean the impact driver. Dust and debris can build up inside the impact driver and cause problems.
  • Lubricate the impact driver. The impact driver's gears and bearings should be lubricated regularly to prevent wear and tear.
  • Replace the batteries. If the batteries are old or damaged, they may not be providing enough power to the impact driver.

I hope this helps!

DeWalt DCF840 Manual

Safety Information

  • Read and understand all safety warnings and instructions before using this tool.
  • Keep this tool out of the reach of children and unauthorized personnel.
  • Use this tool only for its intended purpose.
  • Do not use this tool if it is damaged or malfunctioning.
  • Wear safety glasses, gloves, and hearing protection when using this tool.
  • Be aware of your surroundings and the potential for flying objects when using this tool.
  • Do not use this tool in wet or dusty conditions.
  • Store this tool in a cool, dry place.

Before Use

  • Make sure the battery is properly inserted in the tool.
  • Select the correct speed and torque setting for the application.
  • Use the correct size and type of bit for the application.
  • Hold the tool firmly and keep your body in a balanced position.
  • Do not over-torque the screws.

Troubleshooting

  • If the tool is not working properly, check the following:
    • Is the battery properly inserted?
    • Is the battery charged?
    • Is the bit the correct size and type for the application?
    • Is the tool overheating? If so, allow the tool to cool down before using it again.

Maintenance

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

Warranty

This tool is covered by a 3-year limited warranty. If the tool malfunctions during the warranty period, it will be repaired or replaced free of charge.

Contact Information

Additional Information

  • This tool is designed for professional use.
  • It is not intended for use by children or untrained individuals.
  • Always use this tool in a safe and responsible manner.

Thank you for choosing DeWalt!

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