# TLDR Review: CRAFTSMAN V20 Impact Wrench CMCF900B

*Published: 2024-10-23 | Updated: 2024-12-17 | Source: https://shopsavvy.com/reviews-tldr/craftsman-v20-impact-wrench-cmcf900b*

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## Product: CRAFTSMAN V20 Impact Wrench CMCF900B
**Brand:** Craftsman

## Pros
- Offers convenience by eliminating the need for air hoses, unlike pneumatic wrenches.
- Delivers exceptional power for removing stubborn bolts and nuts, outperforming some air impact wrenches.
- Easily removes rusty bolts from assemblies, such as the AMC 242 flywheel.
- Suitable for high-torque tasks like driving lag screws and changing tires.
- Viewed as a good investment overall with reliable performance for heavy-duty applications.
- Portability makes it ideal for road calls and on-site repairs.
- Comes with a robust warranty of three years, extendable to five years.
- Considered a valuable addition to any mechanic's toolbox for its power and versatility.

## Cons
- Struggles to loosen high-torque bolts, failing on some applications like Jeep JK lug nuts.
- Weighs over 6 pounds, making it less portable and more challenging to fit into tight spaces.
- Actual torque output may be significantly lower than the claimed 350 ft-lbs, with some users experiencing only around 80 ft-lbs.
- Lacks adjustable torque settings, limiting precise control during use.
- May produce a melting plastic smell when used heavily.
- Not effective as a replacement for air tools in demanding automotive repair tasks.
- Disappointment noted among users for not performing as marketed, especially for automotive usage.

## Bottom Line

The CRAFTSMAN V20 Cordless Impact Wrench (CMCF900B) offers portability and significant power for certain heavy-duty applications, making it handy for home garage use and on-the-go repairs. However, users expecting it to match the performance of air tools in all scenarios may find it lacking, specifically regarding the real-world torque output. For those seeking superior performance, especially in demanding automotive settings, you might want to explore alternatives like higher-end models from Milwaukee which have shown better results in similar tasks.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| Offers convenience by eliminating the need for air hoses, unlike pneumatic wrenches. | Struggles to loosen high-torque bolts, failing on some applications like Jeep JK lug nuts. |
| Delivers exceptional power for removing stubborn bolts and nuts, outperforming some air impact wrenches. | Weighs over 6 pounds, making it less portable and more challenging to fit into tight spaces. |
| Easily removes rusty bolts from assemblies, such as the AMC 242 flywheel. | Actual torque output may be significantly lower than the claimed 350 ft-lbs, with some users experiencing only around 80 ft-lbs. |
| Suitable for high-torque tasks like driving lag screws and changing tires. | Lacks adjustable torque settings, limiting precise control during use. |
| Viewed as a good investment overall with reliable performance for heavy-duty applications. | May produce a melting plastic smell when used heavily. |
| Portability makes it ideal for road calls and on-site repairs. | Not effective as a replacement for air tools in demanding automotive repair tasks. |
| Comes with a robust warranty of three years, extendable to five years. | Disappointment noted among users for not performing as marketed, especially for automotive usage. |
| Considered a valuable addition to any mechanic's toolbox for its power and versatility. |  |

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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.*