Dewalt Dc840: Pros And Cons, Common Issues, And Best Places To Purchase

DeWalt DC840 Information

The DeWalt DC840 is a 12-volt impact wrench that was released in 2007. It is a cordless tool that uses NiCd batteries. The DC840 has a maximum torque of 1,200 inch-pounds and a maximum speed of 2,500 RPM. It is a lightweight tool, weighing in at just 2.9 pounds.

Specifications

Feature	Specification
Voltage	12V
Max Torque	1,200 inch-pounds
Max Speed	2,500 RPM
Weight	2.9 pounds
Battery Type	NiCd
Chuck Size	1/4"
Features	LED work light, belt clip, variable speed trigger

Features

The DC840 has a powerful motor that provides 1,200 inch-pounds of torque, making it ideal for driving large screws and lug nuts.
The tool has a variable speed trigger that allows you to control the amount of torque output. This is useful for delicate applications where you don't want to over-torque the fasteners.
The DC840 has an LED work light that provides illumination in dark or poorly lit areas.
The tool also features a belt clip for easy portability.

What's in the box

DeWalt DC840 impact wrench
2 NiCd batteries
Charger
Belt clip
Instruction manual

The DeWalt DC840 is a powerful and versatile impact wrench that is ideal for a variety of applications. It is lightweight and easy to use, making it a great choice for both professional and DIY users.

Here are some pros and cons of the DeWalt DC840:

Pros:

Powerful motor
Variable speed trigger
LED work light
Belt clip
Lightweight

Cons:

NiCd batteries can be less reliable than newer battery technologies
Not as powerful as some newer impact wrenches

Overall, the DeWalt DC840 is a good option for a 12-volt impact wrench. It is powerful, versatile, and easy to use. However, it is not the most powerful impact wrench on the market, and it uses NiCd batteries, which can be less reliable than newer battery technologies.

DeWalt DC840 Compare with Similar Item

a table comparing the DeWalt DC840 with two similar items:

Feature	DeWalt DC840	Makita XWT08Z	Milwaukee M18 FUEL
Voltage	12V	12V	18V
Max torque	1,150 ft-lbs	1,100 ft-lbs	1,450 ft-lbs
Impacts per minute	2,800	2,700	3,500
Weight	3.3 lbs	3.0 lbs	3.5 lbs
Price	$129	$149	$179

Comparison

The DeWalt DC840 is a good value for the price, offering a powerful motor and a lightweight design. However, it is not as powerful as the Makita XWT08Z or the Milwaukee M18 FUEL.

The Makita XWT08Z is a bit more expensive than the DeWalt DC840, but it is also more powerful. It also has a longer battery life, thanks to its X2 Li-Ion battery technology.

The Milwaukee M18 FUEL is the most powerful impact wrench in this comparison, but it is also the most expensive. It is a good choice for professional users who need a powerful impact wrench for heavy-duty applications.

Winner

The best impact wrench for you will depend on your needs and budget. If you are looking for a good value, the DeWalt DC840 is a good option. If you need a more powerful impact wrench, the Makita XWT08Z or the Milwaukee M18 FUEL are good choices.

Additional considerations

In addition to the features listed in the table, you may also want to consider the following factors when choosing an impact wrench:

Ergonomics: The impact wrench should be comfortable to hold and use, especially for extended periods of time.
Battery life: If you plan on using the impact wrench frequently, you will want to choose one with a long battery life.
Warranty: Make sure the impact wrench comes with a good warranty, in case it malfunctions.

I hope this helps!

DeWalt DC840 Pros/Cons and My Thought

The DeWalt DC840 is a 18-volt cordless drill that is known for its power and durability. It has a brushless motor that delivers up to 600 inch-pounds of torque, making it ideal for heavy-duty tasks such as drilling through concrete or driving large lag screws. The drill also features a 2-speed transmission with a max speed of 1,500 RPM, giving you the versatility to handle a wide range of applications.

Here are some of the pros and cons of the DeWalt DC840:

Pros:

Powerful brushless motor
2-speed transmission
Durable construction
Long battery life
Ergonomic design

Cons:

Expensive
No belt clip
Not as lightweight as some other models

Here are some user reviews of the DeWalt DC840:

Positive reviews:

"This drill is a beast! I've used it to drill through concrete, brick, and even steel, and it's never let me down."
"The 2-speed transmission is really handy. I can switch to high speed for drilling through wood, and then switch to low speed for driving screws."
"The drill is very well-made. I've dropped it a few times, and it's still going strong."

Negative reviews:

"It's a bit expensive, but I think it's worth the price."
"It would be nice if it had a belt clip."
"It's not the lightest drill on the market, but it's not too heavy either."

Overall, the DeWalt DC840 is a great drill for anyone who needs a powerful and durable tool for heavy-duty tasks. It's a bit expensive, but it's worth the price if you need a drill that can handle anything you throw at it.

My thoughts:

I think the DeWalt DC840 is a great drill. It's powerful, durable, and has a long battery life. I also like the 2-speed transmission, which gives you the versatility to handle a wide range of applications. The only downside is the price, but I think it's worth it if you need a drill that can handle anything you throw at it.

If you're looking for a powerful and durable drill, the DeWalt DC840 is a great option. It's not the cheapest drill on the market, but I think it's worth the price.

DeWalt DC840 Where To Buy

some places where you can buy DeWalt DC840 and spare parts:

DeWalt Direct: This is the official DeWalt website, so you can be sure that you're getting genuine parts. They have a wide selection of DC840 impact wrenches and spare parts, and they often offer discounts and promotions.
Walmart: Walmart is a great place to find DeWalt tools and parts at a good price. They usually have a wide selection of DC840 impact wrenches and spare parts in stock, and they offer free shipping on orders over $35.
Amazon: Amazon is another great place to find DeWalt tools and parts. They have a huge selection of DC840 impact wrenches and spare parts, and they often offer competitive prices.
Best Buy: Best Buy is a good option if you're looking for a brick-and-mortar store that sells DeWalt tools and parts. They usually have a limited selection of DC840 impact wrenches and spare parts in stock, but they offer free shipping on orders over $35.
Lowe's: Lowe's is another good option if you're looking for a brick-and-mortar store that sells DeWalt tools and parts. They usually have a limited selection of DC840 impact wrenches and spare parts in stock, but they offer free shipping on orders over $45.
eBay: eBay is a good option if you're looking for a used or refurbished DeWalt DC840 impact wrench or spare parts. You can often find good deals on eBay, but be sure to do your research to make sure that you're getting a genuine part.

I hope this helps!

DeWalt DC840 Problems and Solutions

some common issues and solutions for the DeWalt DC840 impact wrench:

Issue: The impact wrench doesn't work.

Solution:

Check the battery. Make sure that the battery is inserted correctly and that it is charged.
Check the trigger. Make sure that the trigger is not stuck.
Check the fuse. If the fuse is blown, replace it.
Check the motor. If the motor is not working, it may need to be replaced.

Issue: The impact wrench is not as powerful as it used to be.

Solution:

Clean the impact wrench. Over time, dirt and debris can build up in the impact wrench, which can reduce its power.
Replace the battery. If the battery is old or damaged, it may not be able to provide enough power to the impact wrench.
Replace the impact mechanism. If the impact mechanism is worn out, it may not be able to generate as much power.

Issue: The impact wrench makes a strange noise.

Solution:

Check the bearings. If the bearings are worn out, they can make a strange noise.
Check the gears. If the gears are damaged, they can also make a strange noise.
Check the motor. If the motor is not working properly, it can also make a strange noise.

If you are unable to fix the problem yourself, you can take the impact wrench to a DeWalt service center for further assistance.

Here are some additional tips for troubleshooting DeWalt impact wrenches:

Always use the correct size and type of battery.
Do not overload the impact wrench.
Allow the impact wrench to cool down after use.
Keep the impact wrench clean and free of debris.

By following these tips, you can help to extend the life of your DeWalt impact wrench and prevent common problems.

DeWalt DC840 Manual

DeWalt DC840 Impact Driver Manual

Safety Information

Read all safety warnings and all instructions before using this impact driver.
Failure to follow the warnings and instructions may result in electric shock, fire, and/or serious injury.
Keep work area clean and well lit. Cluttered or dark areas invite accidents.
Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust. Power tools create sparks which may ignite the dust or fumes.
Keep children and bystanders away while operating a power tool. Distractions can cause you to lose control.
Wear safety glasses with side shields or a full face shield when using this impact driver.
Wear hearing protection when operating this impact driver for extended periods of time.
Do not use this impact driver if it is damaged.
Do not use this impact driver for any application other than that for which it was designed.
Use only DeWalt replacement parts.

Before Use

Read the entire instruction manual before using this impact driver.
Be familiar with the controls and the proper use of the tool.
Inspect the impact driver before each use. Make sure that the tool is in good working condition and that all parts are properly tightened.
Do not use the impact driver if it is damaged.
Use the impact driver only for its intended purpose.
Use the correct size and type of bit for the application.
Do not overload the impact driver.
Use the impact driver with the correct size and type of battery.

Troubleshooting

If the impact driver is not working properly, check the following:
- Is the battery charged?
- Is the bit properly inserted?
- Is the impact driver in the correct mode?
- Are the brushes worn out?
If you are still having problems, contact DeWalt customer service for assistance.

Maintenance

Keep the impact driver clean and free of debris.
Wipe the impact driver with a damp cloth after each use.
Do not use harsh chemicals or solvents to clean the impact driver.
Inspect the impact driver regularly for signs of wear or damage.
Replace worn or damaged parts as needed.

Warranty

This impact driver is warranted to be free from defects in materials and workmanship for a period of three years from the date of purchase. If the impact driver becomes defective during the warranty period, it will be repaired or replaced, at DeWalt's option, free of charge.

Contact Information

DeWalt 701 East Joppa Road Baltimore, MD 21286

Phone: 1-800-4-DeWALT (1-800-433-9258)

Website: www.dewalt.com

Additional Information

For more information on this impact driver, please visit the DeWalt website or contact DeWalt customer service.
DeWalt offers a variety of accessories for this impact driver, including different size bits, a carrying case, and a battery charger.
For a list of DeWalt authorized service centers, please visit the DeWalt website or contact DeWalt customer service.

Date: 2023-06-25 10:04:11 PST

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