Milwaukee FUEL 2854-20 3/8 Brushless Cordless vs Protmex Cordless Impact Wrench, 900Ft-lbs 1/2"
Updated August 2026 — Milwaukee FUEL 2854-20 3/8 Brushless Cordless wins on speed control and durability, Protmex Cordless Impact Wrench, 900Ft-lbs 1/2" wins on led light.
The Milwaukee FUEL 2854-20 offers superior precision and advanced features, while the Protmex provides more torque at a lower price. Choose based on your specific needs.
Why Milwaukee FUEL 2854-20 3/8 Brushless Cordless is better
Precision Control
Milwaukee has a 4-Mode Drive Control for better precision.
Build Quality
Milwaukee is known for its durable construction.
Brand Reputation
Milwaukee has a strong reputation in the tool industry.
Why Protmex Cordless Impact Wrench, 900Ft-lbs 1/2" is better
Price
Protmex is significantly cheaper at $85.49.
Torque
Protmex offers 900 ft-lbs of torque.
Battery Included
Protmex comes with two 4.0Ah batteries.
Overall score
Specifications
| Spec | Milwaukee FUEL 2854-20 3/8 Brushless Cordless | Protmex Cordless Impact Wrench, 900Ft-lbs 1/2" |
|---|---|---|
| Drive Control | 4 Modes | 3 Speeds |
| LED Light | Tri-LED | Built-in LED |
| Battery Type | M18 REDLITHIUM | 4.0Ah |
| Sales Rank | 24742 | 13737 |
| Auto Shut-Off | Yes | No |
Dimension comparison
Overview
When choosing between the Milwaukee FUEL 2854-20 and the Protmex Cordless Impact Wrench, both tools offer impressive torque and functionality, but they cater to different needs and budgets. The Milwaukee model is priced at $169.99, whereas the Protmex is significantly cheaper at $85.49, making it about 50% less expensive. This price difference is one of the most significant factors to consider when deciding between these two impact wrenches.
Design and Build Quality
The Milwaukee FUEL 2854-20 is engineered for compactness and efficiency, measuring only 4.8 inches in length. This design allows for better maneuverability in tight spaces, making it perfect for intricate jobs. On the other hand, the Protmex Cordless Impact Wrench, while lacking specific dimensions, is designed for versatility across various applications, including car and tractor tire removal. Both wrenches feature built-in LED lights, but the Milwaukee’s tri-LED system offers enhanced visibility with fewer shadows, which is a distinct advantage for low-light conditions.
Torque and Performance
In terms of torque output, the Milwaukee FUEL 2854-20 delivers a robust 250 ft-lbs of nut-busting torque, ideal for stubborn fasteners. Meanwhile, the Protmex boasts a higher torque rating of 900 ft-lbs (1200 N.m), which makes it suitable for heavy-duty tasks. This means that while the Milwaukee excels in precision and compactness, the Protmex is more powerful, making it better suited for tougher jobs. However, the Milwaukee's advanced features like 4-Mode Drive Control allow for more precise control in various applications, emphasizing the importance of usability alongside raw power.
Battery and Charging
Battery performance is crucial for cordless tools, and this is where both models present different advantages. The Milwaukee FUEL requires a compatible M18 REDLITHIUM battery pack, which is sold separately, while the Protmex comes with two 4.0Ah batteries included in the package. The Protmex's batteries provide longer usage time, with a lifespan of over 70.5%. This aspect gives the Protmex an edge in user convenience, especially for those who need extended working periods without interruption. However, the Milwaukee’s battery pack compatibility with other M18 tools may be a deciding factor for those already invested in that ecosystem.
Speed Settings and Control
The Milwaukee FUEL 2854-20 features a 4-Mode Drive Control system that allows users to select different RPM and IPM levels, enhancing its versatility for various tasks. This feature is particularly useful for users who require precision in their work. Conversely, the Protmex offers three-speed settings (0-2500 RPM, 0-2900 RPM, 0-3500 RPM), providing a broader range of options for speed but less granularity in control. The Milwaukee's Auto Shut-Off feature also aids in preventing overtightening, showcasing its focus on user safety and tool longevity.
Usability in Various Conditions
Both impact wrenches are designed for usability across different conditions. The Milwaukee FUEL’s compact design allows for easy access in confined spaces, while the Protmex’s built-in LED light ensures visibility in dimly lit areas. The Milwaukee’s advanced features, such as Bolt Removal Control, further enhance its usability by minimizing the risk of fastener drops once loosened. The Protmex, with its variable speed and two-way brake stop, is also designed for easy handling, making it a reliable choice for both professionals and DIY enthusiasts.
Price Comparison
The Milwaukee FUEL 2854-20 is priced at $169.99, while the Protmex Cordless Impact Wrench is available for $85.49. This makes the Protmex about 50% cheaper than its Milwaukee counterpart. If budget is a primary concern, the Protmex provides substantial savings without significantly sacrificing functionality, especially for users who may not require the advanced capabilities of the Milwaukee model. However, the Milwaukee’s features may justify its higher price for users who seek precision and reliability in demanding conditions.
Bestseller Status
In terms of sales performance, the Milwaukee FUEL 2854-20 holds a sales rank of 24,742, while the Protmex ranks higher at 13,737. This suggests that the Protmex is more popular among consumers, possibly due to its affordability and versatility for various applications. However, the Milwaukee’s reputation for quality and durability may appeal to those willing to invest a bit more for a trusted brand.
Which should you buy?
Choosing between the Milwaukee FUEL 2854-20 and the Protmex Cordless Impact Wrench ultimately depends on your specific needs and budget. If you require a compact, precise tool for professional applications and are willing to invest more, the Milwaukee is an excellent choice. However, if you're looking for a powerful, cost-effective solution for general use, the Protmex stands out as a formidable option with its impressive torque and included batteries.

