
Milwaukee M18 Fuel
Score: 88/100
DEWALT DCF845B
Score: 82/100Rankings

The Milwaukee M18 FUEL 1/4" Hex Impact Driver is a high-performance cordless tool featuring a POWERSTATE brushless motor and REDLINK PLUS intelligence, delivering up to 2,000 in-lbs of torque. It offers a compact design and four drive control modes, making it versatile for both precision fastening and heavy-duty applications. It is best suited for professional contractors and electricians requiring reliable daily jobsite fastening within the M18 ecosystem.

The DEWALT DCF845B is a brushless 20V MAX XR impact driver delivering 1,825 in-lbs of torque and 3,400 RPM with 3-speed settings. It offers a balance of power and compactness, though the tool-only configuration requires separate battery purchase. It is best suited for professional contractors needing versatile fastening capabilities.
| Attribute | ![]() | ![]() |
|---|---|---|
2,000 in-lbbest | 1,825 in-lb | |
18 V | 20 Vbest | |
3,900 RPMbest | 3,400 RPM | |
4,400 IPMbest | — | |
| ↓ lower better | 2.2 lbsbest | 2.2 lbsbest |
| ↓ lower better | 4.47 inbest | 5.1 in |
3 countbest | 3 countbest | |
— | 3 yearsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance(2) | ||
Maximum Torque (in-lb) | 2000 in-lb | 1825 in-lb |
Maximum Speed (RPM) (RPM) | 3900 RPM | 3400 RPM |
Build & Design(1) | ||
Tool Length (in) | 4.47 in | 5.1 in |
Power & Battery(1) | ||
Battery Voltage (V) | 18 V | 20 V |
Features(1) | ||
Chuck Type | 1/4-inch hex | 1/4-Inch Hex |
Controls(2) | ||
Speed Settings | 4-mode | 3-speed |
Trigger Type | Variable speed | Variable Speed |


Products in the top-left offer the best value (high score, low price).

Professional sources emphasize the tool's power and speed leadership within its class, describing the POWERSTATE motor as delivering unmatched power for a wide variety of applications. Experts highlight the brushless motor's durability and the compact design as significant advantages for jobsite accessibility, while praising the Drive Control feature for enabling seamless transitions from precision work to heavy-duty tasks.
Everyday users consistently praise the tool's compact size, lightweight construction, and reliable power delivery. The versatility of the drive control modes and the convenience of one-handed bit insertion are frequently highlighted as key benefits, with users noting reduced fatigue and improved performance in demanding fastening tasks.

