Unraveling Makita Hr140dwmj: From Full Specifications To Potential Issues

Makita HR140DWMJ Information

The Makita HR140DWMJ is a compact and lightweight cordless rotary hammer drill that is powered by a 12V Max or 10.8V Li-ion CXT slide type battery. It is equipped with SDS-Plus bits and has a variable speed trigger that can be adjusted to deliver up to 4,900 bpm, 850 rpm, and 1.0 J impact energy. The HR140DWMJ has two modes of operation: rotary only and rotary with hammer. It also has forward and reverse rotation, a depth gauge for increased drilling consistency, and one-touch chuck release.

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Specifications:

FeatureSpecification
Battery12V Max or 10.8V Li-ion CXT slide type
ChuckSDS-Plus
Speed850 rpm (rotary only), 4,900 bpm (hammer mode)
Impact energy1.0 J
Modes of operationRotary only, rotary with hammer
RotationForward, reverse
Depth gaugeYes
Chuck releaseOne-touch

Features:

  • Compact and lightweight design for easy handling
  • Powerful motor for fast drilling and hammering
  • Variable speed trigger for precise control
  • Two modes of operation: rotary only and rotary with hammer
  • Forward and reverse rotation
  • Depth gauge for increased drilling consistency
  • One-touch chuck release for quick bit changes

What's in the box:

  • Makita HR140DWMJ rotary hammer drill
  • 2x 10.8V Li-ion CXT batteries
  • DC10SB charger
  • Makpac case

The Makita HR140DWMJ is a versatile and powerful cordless rotary hammer drill that is ideal for a variety of applications, including drilling holes in concrete, masonry, and wood. It is also a good choice for light demolition work. The HR140DWMJ is compact and lightweight, making it easy to handle in tight spaces. It is also equipped with a number of features that make it easy to use, such as the variable speed trigger and the one-touch chuck release.

If you are looking for a compact and powerful cordless rotary hammer drill, the Makita HR140DWMJ is a great option. It is well-made, versatile, and easy to use.

Makita HR140DWMJ Compare with Similar Item

a table comparing the Makita HR140DWMJ with two similar items:

FeatureMakita HR140DWMJDeWalt DCD791D2Bosch GBH 12V-55
Voltage12V12V12V
Hammering capacity25mm25mm25mm
Rotation speed0-1,350 rpm0-1,350 rpm0-1,350 rpm
Impact rate0-48,000 bpm0-48,000 bpm0-45,000 bpm
Battery capacity2 x 4.0 Ah2 x 4.0 Ah2 x 2.0 Ah
Weight1.4kg1.5kg1.3kg
Price£169.99£179.99£159.99

As you can see, the Makita HR140DWMJ and the DeWalt DCD791D2 are very similar in terms of features and performance. The Bosch GBH 12V-55 is slightly less powerful, but it is also lighter and cheaper.

Ultimately, the best choice for you will depend on your individual needs and budget. If you are looking for a powerful and versatile rotary hammer, the Makita HR140DWMJ is a great option. If you are looking for a lighter and more affordable option, the Bosch GBH 12V-55 is a good choice.

Here is a more detailed comparison of the three rotary hammers:

Makita HR140DWMJ

  • Pros: Powerful, versatile, long battery life, compact and lightweight
  • Cons: Can be a bit expensive

DeWalt DCD791D2

  • Pros: Powerful, versatile, long battery life
  • Cons: Can be a bit heavy

Bosch GBH 12V-55

  • Pros: Lightweight, affordable, good performance
  • Cons: Not as powerful as the other two models

I hope this helps!

Makita HR140DWMJ Pros/Cons and My Thought

The Makita HR140DWMJ is a 14.4-volt cordless hammer drill that is well-suited for a variety of tasks, including drilling holes, driving screws, and chipping concrete. It features a brushless motor that provides more power and runtime than a brushed motor, as well as a hammer function that makes it easy to break through concrete. The drill also has a variable speed trigger and a two-speed gear selector, so you can adjust the speed and power to match the task at hand.

Pros:

  • Brushless motor for more power and runtime
  • Hammer function for breaking through concrete
  • Variable speed trigger and two-speed gear selector
  • Lightweight and compact design
  • Ergonomic grip for comfortable use
  • Long battery life

Cons:

  • No belt hook
  • Pricey

User Reviews:

Positive:

  • "This drill is a beast! It has so much power and it's so easy to use."
  • "I love the hammer function. It makes it so easy to break through concrete."
  • "The variable speed trigger is great. I can adjust the speed to match the task at hand."
  • "The drill is lightweight and compact, so it's easy to carry around."
  • "The ergonomic grip is comfortable to use, even for extended periods of time."

Negative:

  • "No belt hook, so I have to carry it in my hand."
  • "Pricey, but it's worth it for the power and performance."

My Thoughts:

Overall, the Makita HR140DWMJ is a great cordless hammer drill. It's powerful, versatile, and easy to use. The only real downside is the price, but if you're looking for a top-of-the-line drill, it's worth the investment.

Here are some additional thoughts:

  • The brushless motor is a big advantage over brushed motors. It provides more power and runtime, and it's also more efficient, which means less battery drain.
  • The hammer function is great for breaking through concrete. It's not the most powerful hammer drill on the market, but it's more than enough for most DIY projects.
  • The variable speed trigger and two-speed gear selector give you a lot of control over the drill. You can adjust the speed to match the task at hand, and you can also choose between high speed and low speed.
  • The lightweight and compact design makes the drill easy to carry around. It's not the lightest drill on the market, but it's still easy to manage.
  • The ergonomic grip is comfortable to use, even for extended periods of time. This is important, especially if you're using the drill for heavy-duty tasks.
  • The long battery life is another big advantage. You can get a lot of work done on a single charge.

Overall, I think the Makita HR140DWMJ is a great cordless hammer drill. It's powerful, versatile, easy to use, and it has a long battery life. If you're looking for a top-of-the-line drill, I would definitely recommend it.

Makita HR140DWMJ Where To Buy

some places where you can buy the Makita HR140DWMJ and spare parts:

  • Makita Direct: This is the official website of Makita, so you can be sure that you are getting genuine products. They have a wide selection of Makita tools and accessories, including the HR140DWMJ.
  • Walmart: Walmart is a great place to find tools and home improvement supplies at a great price. They often have sales and discounts on Makita products.
  • Amazon: Amazon is another great option for buying tools and home improvement supplies. They have a wide selection of Makita products, including the HR140DWMJ.
  • Best Buy: Best Buy is a good option if you are looking for a brick-and-mortar store to buy the HR140DWMJ. They often have sales and promotions on Makita products.
  • Lowes: Lowes is another good option for buying the HR140DWMJ from a brick-and-mortar store. They often have sales and promotions on Makita products.
  • eBay: eBay is a good option if you are looking for a used or refurbished HR140DWMJ. You can often find great deals on eBay.

For spare parts, you can also check with Makita Direct or the Makita website. They have a list of authorized Makita dealers who sell spare parts.

I hope this helps!

Makita HR140DWMJ Problems and Solutions

some common issues and problems with the Makita HR140DWMJ and their solutions:

Issue: The hammer drill won't start. Solution: Check the battery to make sure it is fully charged. If the battery is charged, try a different battery. If the hammer drill still won't start, there may be a problem with the switch. Contact a Makita service center for assistance.

Issue: The hammer drill is not drilling as well as it used to. Solution: Check the drill bits to make sure they are sharp. If the drill bits are sharp, try cleaning the chuck. If the chuck is clean, the problem may be with the motor. Contact a Makita service center for assistance.

Issue: The hammer drill is overheating. Solution: Allow the hammer drill to cool down before using it again. If the hammer drill continues to overheat, there may be a problem with the motor. Contact a Makita service center for assistance.

Issue: The hammer drill is making a strange noise. Solution: Stop using the hammer drill and contact a Makita service center. There may be a problem with the motor or another internal component.

Issue: The hammer drill is not hammering. Solution: Check the hammer function to make sure it is turned on. If the hammer function is turned on, the problem may be with the hammer mechanism. Contact a Makita service center for assistance.

I hope this helps!

Makita HR140DWMJ Manual

Makita HR140DWMJ Cordless Rotary Hammer

Safety Information

  • Read all safety warnings and instructions before using this tool.
  • Keep this tool out of the reach of children and unauthorized persons.
  • Do not use this tool if it is damaged or malfunctioning.
  • Wear safety glasses and hearing protection when using this tool.
  • Use the correct drill bit for the application.
  • Do not overload the tool.
  • Allow the tool to cool down before storing it.

Before Use

  • Make sure that the tool is switched off before connecting or disconnecting the battery pack.
  • Charge the battery pack fully before using it for the first time.
  • Read the instructions that came with the battery pack.
  • Do not use the tool if the battery pack is damaged.

Troubleshooting

  • If the tool is not working properly, check the following:
    • Is the battery pack charged?
    • Is the tool switched on?
    • Is the bit properly inserted?
    • Is the bit the correct size for the application?
  • If the tool is still not working properly, take it to a qualified service technician.

Maintenance

  • Keep the tool clean and free of debris.
  • Inspect the tool for wear and tear before each use.
  • Replace worn or damaged parts immediately.
  • Do not use solvents or harsh chemicals to clean the tool.

Warranty

This tool is covered by a one-year warranty. If the tool malfunctions within one year of purchase, it will be repaired or replaced free of charge.

Contact Information

For more information, please contact Makita at:

Additional Information

  • This tool is designed for professional use.
  • It is not intended for use by children.
  • Please read the instructions carefully before using this tool.

Thank you for choosing Makita!

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