Milwaukee 2864-20 Fuel One-Key 3/4" High Torque Impact vs Milwaukee FUEL 2854-20 3/8 Brushless Cordless
Updated August 2026 — Milwaukee 2864-20 Fuel One-Key 3/4" High Torque Impact wins on power and torque, Milwaukee FUEL 2854-20 3/8 Brushless Cordless wins on compactness.
The Milwaukee 2864-20 is a powerful high-torque impact wrench ideal for heavy-duty tasks, while the Milwaukee FUEL 2854-20 is a compact and budget-friendly option for lighter applications.
Why Milwaukee 2864-20 Fuel One-Key 3/4" High Torque Impact is better
Torque
2864-20 delivers 1200 ft-lbs of fastening torque.
Durability
Designed for heavy-duty applications.
Technology
One-Key compatibility for tracking and customization.
Why Milwaukee FUEL 2854-20 3/8 Brushless Cordless is better
Price
2854-20 is $169.99, significantly cheaper.
Compactness
2854-20 measures only 4.8 inches in length.
Versatility
4-Mode Drive Control for precision.
Overall score
Specifications
| Spec | Milwaukee 2864-20 Fuel One-Key 3/4" High Torque Impact | Milwaukee FUEL 2854-20 3/8 Brushless Cordless |
|---|---|---|
| Brand | Milwaukee | Milwaukee |
| Model | 2864-20 | 2854-20 |
| Power | High Torque | Compact |
| Drive Control | One-Key | 4-Mode |
| Country | China | China |
Dimension comparison
Overview of the Products
The Milwaukee 2864-20 Fuel One-Key 3/4" High Torque Impact is a powerful tool designed for heavy-duty applications, while the Milwaukee FUEL 2854-20 3/8 Brushless Cordless Impact Wrench is a more compact option suitable for tighter spaces. The former is priced at $319.99, whereas the latter is significantly cheaper at $169.99, making it about 47% less expensive. Each tool is tailored for specific tasks, which affects their performance and usability in different scenarios.
Power and Performance
When it comes to power, the Milwaukee 2864-20 delivers an impressive 1200 ft-lbs of fastening torque and 1500 ft-lbs of nut-busting torque, making it a top choice for heavy-duty tasks. In contrast, the Milwaukee FUEL 2854-20 provides up to 250 ft-lbs of nut-busting torque. This difference in torque capabilities highlights that the 2864-20 is designed for serious applications where high torque is essential, while the 2854-20 is more suited for lighter tasks, emphasizing its compact design and ease of use.
Size and Weight
The Milwaukee 2864-20 is the most compact high torque impact wrench in its class, measuring just 8.59 inches in length. On the other hand, the Milwaukee FUEL 2854-20 is even more compact at 4.8 inches long, making it the most compact in its class. This size difference affects their usability; the 2854-20 is ideal for tight spaces where maneuverability is crucial, whereas the 2864-20 is better suited for larger jobs that require more power without the concern of fitting into confined areas.
Features and Technology
Both tools incorporate advanced technologies to enhance performance. The Milwaukee 2864-20 features One-Key compatibility, allowing users to customize and track tool performance and location. In contrast, the Milwaukee FUEL 2854-20 includes a 4-Mode Drive Control system for greater precision, allowing users to select from various RPM and IPM levels. While both tools utilize REDLINK PLUS Intelligence for overload protection, the specific features cater to different user needs, with the 2864-20 focusing on tracking and customization, and the 2854-20 prioritizing versatility.
Battery and Charging
Neither tool includes a battery, which is an essential consideration for potential buyers. The Milwaukee 2864-20 requires an M18 REDLITHIUM battery pack, known for delivering more work per charge and longer lifespan. Similarly, the Milwaukee FUEL 2854-20 also fits M18 batteries, ensuring compatibility across Milwaukee's tool lineup. While not a direct comparison of battery performance, potential buyers will need to invest in batteries for either tool, adding to the overall cost of ownership.
Price Comparison
The Milwaukee 2864-20 is priced at $319.99, while the Milwaukee FUEL 2854-20 is available for $169.99. This significant price difference of about $150 indicates that the 2854-20 is a more budget-friendly option, especially for users who may not require the high torque of the 2864-20. Given the respective performance capabilities, the price tag reflects the tools' intended use; those needing heavy-duty power may find the investment in the 2864-20 worthwhile, while casual users can benefit from the cost-effective 2854-20.
Sales Rankings
In terms of popularity, the Milwaukee 2864-20 has a sales rank of 15,815, suggesting it is a well-regarded option among consumers looking for high torque. The Milwaukee FUEL 2854-20 has a slightly lower sales ranking at 24,742, indicating it may not be as popular but still holds its own in the market. The sales ranks can reflect user satisfaction and the tool's effectiveness in real-world applications, with the 2864-20 being favored for more demanding tasks.
Which should you buy?
Choosing between the Milwaukee 2864-20 Fuel One-Key 3/4" High Torque Impact and the Milwaukee FUEL 2854-20 3/8 Brushless Cordless Impact Wrench ultimately depends on your specific needs. If you require a high-torque solution for heavy-duty applications, the 2864-20 is an excellent investment despite its higher price. However, if you are looking for a compact and versatile tool for lighter tasks, the 2854-20 offers significant savings and exceptional performance in tighter spaces. Assessing your typical usage will help determine which tool is the right fit for your toolkit.

