# TLDR Review: DEWALT DCF964B Impact Wrench

*Published: 2026-02-07 | Updated: 2026-02-07 | Source: https://shopsavvy.com/reviews-tldr/dewalt-dcf964b-impact-wrench*

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## Product: DEWALT DCF964B Impact Wrench
**Brand:** DEWALT

## Pros
- Delivers outstanding impact with very high torque, exceeding 330 ft/lbs, making it ideal for heavy-duty tasks like crankshaft pulley bolts and changing tires.
- Well balanced, powerful yet easy to handle, providing effective performance without sacrificing user comfort.
- Built with DEWALT’s quality and durability, ensuring reliable and long-lasting operation in demanding situations.
- Compatible with DEWALT 20V MAX batteries, allowing convenient battery sharing if you own other DEWALT tools.
- Lightweight design combined with strong torque delivers efficient results while reducing user fatigue.
- Built-in task light improves visibility in low-light conditions, enhancing usability on the job.
- Simple to use for removing lugs and attaching tow hitch balls, making it versatile for vehicle maintenance and related applications.
- Adjustable speed controls allow better precision according to the task at hand.

## Cons
- Not suitable for rusted or seized bolts as it may shear the bolt, so be cautious with heavily corroded fasteners.
- The 3/4 inch hog ring anvil is larger than standard for some users, which may limit compatibility with certain sockets or accessories.
- As a bare tool (battery not included), you will need to invest in batteries and charger separately if you don't already have compatible gear.
- Slightly heavier than smaller impact wrenches, which may be a factor for some users who prioritize ultra-lightweight tools.

## Bottom Line

The DEWALT 20V MAX XR 3/4 Inch Cordless Impact Wrench (DCF964B) stands out as a powerful, durable, and user-friendly tool perfect for heavy-duty automotive or equipment maintenance where high torque and reliability are a must. Its compatibility with DEWALT’s 20V MAX system and adjustable speed make it a versatile addition to any toolkit. However, if you need something specifically for rusted bolts or prefer a smaller drive size, you might want to consider other models better suited for those tasks. Overall, this model delivers solid performance for serious users wanting cordless power without compromise.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| Delivers outstanding impact with very high torque, exceeding 330 ft/lbs, making it ideal for heavy-duty tasks like crankshaft pulley bolts and changing tires. | Not suitable for rusted or seized bolts as it may shear the bolt, so be cautious with heavily corroded fasteners. |
| Well balanced, powerful yet easy to handle, providing effective performance without sacrificing user comfort. | The 3/4 inch hog ring anvil is larger than standard for some users, which may limit compatibility with certain sockets or accessories. |
| Built with DEWALT’s quality and durability, ensuring reliable and long-lasting operation in demanding situations. | As a bare tool (battery not included), you will need to invest in batteries and charger separately if you don't already have compatible gear. |
| Compatible with DEWALT 20V MAX batteries, allowing convenient battery sharing if you own other DEWALT tools. | Slightly heavier than smaller impact wrenches, which may be a factor for some users who prioritize ultra-lightweight tools. |
| Lightweight design combined with strong torque delivers efficient results while reducing user fatigue. |  |
| Built-in task light improves visibility in low-light conditions, enhancing usability on the job. |  |
| Simple to use for removing lugs and attaching tow hitch balls, making it versatile for vehicle maintenance and related applications. |  |
| Adjustable speed controls allow better precision according to the task at hand. |  |

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*About this review: We pulled together findings from professional and user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.*