DeWalt DCF840NT-XJ Impact Driver

DEWALT DCF840 XR Impact Driver with a high-power, brushless motor capable of outputting up to 192N...

Best current price£74.99from B&Q

All Offers

2 offers from £74.99 - £76.15

View price history by clicking the chart icon.

B&QB&Q - Dcf840Nt 18V Xr Brushless Powerstack Impact Driver Compact Dcf840N +Tstak
Free delivery in 1–3 days
£74.99
Visit shop
eBayDEWALT DCF840NT 18V Brushless Cordless Impact Driver In T-Stak Case
Free delivery in 1–3 days
£76.15
Visit shop

Product Information

Full details

This guide is for professionals in construction, industrial, and automotive fields seeking a compact and powerful impact driver. The DeWalt DCF840NT-XJ offers up to 192Nm of torque with a brushless motor, allowing for quick completion of demanding tasks. However, users should note that the high power output requires careful handling to avoid over-torquing delicate materials. This guide will cover key features, performance, setup, and troubleshooting to help you get the most out of your DeWalt impact driver.

All features

Model Part NumberDCF840NT-XJ
BrandDeWalt

Extended Product Information

FAQs

What type of battery does this impact driver use?

The DeWalt DCF840NT-XJ uses 18V XR battery packs. It is compatible with all DEWALT 18V XR battery packs.

What is the maximum torque of the impact driver?

The maximum torque is up to 192Nm.

How do I change the bits?

The DCF840NT-XJ features a 1/4" drop-in bit holder, allowing for quick, one-handed bit changes. Simply pull the bit out or push it in until it clicks.

Is this impact driver suitable for heavy-duty use?

Yes, the high torque and brushless motor make it suitable for heavy-duty applications in construction, industrial, and automotive environments.

What is the warranty period?

Warranty information is not available.

Does the impact driver come with a charger and battery?

The DCF840NT-XJ is sold as a bare unit (NT), meaning it does not include a battery or charger. These must be purchased separately.

How do I clean the impact driver?

Clean the tool regularly with a damp cloth. Do not use solvents or abrasive cleaners.

What are the advantages of the brushless motor?

The brushless motor provides increased power, efficiency, and tool life compared to brushed motors.

Troubleshooting

Impact driver doesn't turn on.

Check if the battery is properly inserted and charged. Ensure the battery contacts are clean.

Impact driver has reduced power.

Check the battery charge level. Clean the tool's vents to remove any obstructions.

Bit is stuck in the bit holder.

Use the bit release mechanism to remove the bit. If it's still stuck, try cleaning the bit holder.

Pros and Cons

Pros

  • High power output for fast work.
  • Compact size for improved access.
  • Brushless motor for increased tool life and efficiency.
  • Quick bit changes with the drop-in bit holder.
  • Excellent lighting with the LED ring.

Cons

  • High torque may require careful control to avoid over-tightening.
  • Requires 18V XR batteries (sold separately).
  • Powerstack batteries are needed to achieve maximum performance and compactness.

Setup, Compatibility & Care

Setup:

  1. Insert a compatible DeWalt 18V XR battery pack into the tool. Make sure the battery is fully charged for optimal performance.
  2. Insert the desired bit into the 1/4" drop-in bit holder. The bit should click into place.
  3. Select the appropriate speed and torque settings based on the application.

Compatibility:

  • This impact driver is compatible with all DeWalt 18V XR battery packs.
  • Use with Powerstack batteries for maximum performance.
  • Compatible with a wide range of 1/4" hex shank bits.

Care:

  • Clean the tool regularly with a damp cloth.
  • Do not immerse the tool in water or other liquids.
  • Store the tool in a dry and clean place.
  • Inspect the tool and battery regularly for damage.

Price History

DatePrice
Visit shop