Milwaukee M18 FUEL 3/8" Compact Impact Wrench with vs Muylux 4.0Ah Battery Cordless Impact Wrench,
Updated August 2026 — Milwaukee M18 FUEL 3/8" Compact Impact Wrench with wins on lighting and power, Muylux 4.0Ah Battery Cordless Impact Wrench, wins on portability and versatility.
The Milwaukee M18 FUEL offers superior performance and advanced features, making it the better choice for professionals, while the Muylux is a budget-friendly option for casual users.
Why Milwaukee M18 FUEL 3/8" Compact Impact Wrench with is better
Performance
Milwaukee has 250 ft-lbs torque vs Muylux's 320 ft-lbs.
Features
Milwaukee includes advanced features like tri-LED lights.
Brand
Milwaukee has a stronger brand reputation.
Why Muylux 4.0Ah Battery Cordless Impact Wrench, is better
Price
Muylux is significantly cheaper at $39.99.
Torque
Muylux offers higher torque at 320 ft-lbs.
Weight
Muylux is lighter and easier to handle for casual use.
Overall score
Specifications
| Spec | Milwaukee M18 FUEL 3/8" Compact Impact Wrench with | Muylux 4.0Ah Battery Cordless Impact Wrench, |
|---|---|---|
| Motor Type | Brushless | Brushless |
| Drive Size | 3/8 inch | 1/2 inch |
| LED Lights | Yes | No |
| Control Modes | 4 Modes | 1 Mode |
| Max RPM | Variable | Fixed |
Dimension comparison
Price Comparison
When comparing prices, the Muylux 4.0Ah Battery Cordless Impact Wrench is significantly cheaper than the Milwaukee M18 FUEL 3/8" Compact Impact Wrench. The Milwaukee tool retails for $164.70, while the Muylux is priced at only $39.99, making it about 76% less expensive. This substantial price difference makes the Muylux an attractive option for budget-conscious consumers or those seeking a basic tool for occasional use. Conversely, Milwaukee's higher price reflects its reputation for durability and advanced technology, appealing to professionals who prioritize long-term performance.
Design and Build Quality
In terms of design and build quality, both tools have their unique strengths. The Milwaukee M18 FUEL features a compact design at just 4.8 inches in length, which offers superior access in tight spaces. This compactness is particularly useful for automotive jobs or any work where space is limited. On the other hand, the Muylux is a robust 1/2 inch impact wrench designed for heavy-duty tasks. While the Muylux may not have the same compactness, its durable construction and high torque capability ensure it can handle more demanding jobs. Ultimately, the choice between them may come down to specific usage needs and space considerations.
Performance and Power
The Milwaukee M18 FUEL boasts a powerful output of up to 250 ft-lbs of nut-busting torque, making it highly effective for removing stubborn fasteners. This performance is complemented by a POWERSTATE Brushless motor, which enhances efficiency and extends tool life. In contrast, the Muylux offers a respectable 320 ft-lbs of torque (430N.m), making it suitable for heavy-duty tasks like tire removal and automotive repair. While the Muylux provides higher torque, the Milwaukee's advanced motor technology may offer more consistent performance over time, particularly for professionals who need reliability.
Features and Functionality
The Milwaukee M18 FUEL includes several advanced features, such as tri-LED lights that increase workspace visibility and a 4-Mode DRIVE CONTROL for precision fastening. These features allow the user to select from different RPM and IPM levels, enhancing versatility for various tasks. The AUTO SHUT-OFF control is particularly noteworthy, as it prevents overtightening, a common issue in many applications. The Muylux, while lacking some of these advanced features, is designed for cordless convenience and ease of use, making it a great tool for DIY enthusiasts who need something straightforward and effective for general tasks.
Battery and Runtime
Battery performance is crucial for cordless tools, and here the Milwaukee M18 FUEL shines with its compatibility with the M18 REDLITHIUM battery pack, which is known for delivering more work per charge. Although the Muylux comes with a built-in 4.0Ah lithium battery, the specifics of its runtime in comparison to the Milwaukee's system are less clear. Users who prioritize long-lasting battery life may lean towards the Milwaukee model, particularly for professional use. Meanwhile, the Muylux provides adequate battery power for casual users needing a reliable tool for occasional jobs.
Usability and Comfort
Usability and comfort are important factors when selecting an impact wrench. The Milwaukee M18 FUEL's compact design allows for easy handling, especially in tight spaces, while its lightweight build makes it comfortable for extended use. The tri-LED lights are also a significant advantage, reducing shadows in the workspace. The Muylux, being a 1/2 inch impact wrench, offers a different grip and feel, making it suitable for a variety of tasks but potentially less comfortable for prolonged work compared to the Milwaukee. Users seeking a tool for frequent, intensive use may prefer the Milwaukee for its ergonomic design and visibility features.
Brand Reputation and Reliability
Brand reputation plays a significant role in tool selection. Milwaukee is known for its high-quality tools and strong performance in the professional market, as evidenced by its bestseller rank of 13,255. This reputation often translates to trust in the durability and reliability of their products. Muylux, with a bestseller rank of 22,800, is a newer player and may not have the same level of recognition. While it offers excellent value for money, particularly for casual users, Milwaukee's longstanding reputation makes it a safer choice for those needing reliability and performance over time.
Which should you buy?
Ultimately, the decision comes down to your specific needs and budget. If you're a professional or someone who often tackles heavy-duty tasks requiring reliability and advanced features, the Milwaukee M18 FUEL 3/8" Compact Impact Wrench is likely the better choice despite its higher price. However, if you're a DIY enthusiast or someone looking for a reliable tool for occasional use without breaking the bank, the Muylux 4.0Ah Battery Cordless Impact Wrench offers excellent value at a significantly lower price. Both tools have their merits, so consider your usage habits, budget, and preference for features when making your choice.

