
Ingersoll Rand 301B
Score: 80/100
DEWALT DWE4887 1-1-inch
Score: 78/100Rankings

The Ingersoll Rand 301B is a compact, right-angle pneumatic die grinder featuring a 0.25 hp motor and 21,000 rpm max speed, designed for precision tasks in confined spaces. It utilizes a durable aluminum housing and ball-bearing construction to ensure longevity and reduced vibration during operation. The tool is optimized for professional fabricators and machinists requiring high-speed grinding.

The DeWalt DWE4887 is a corded die grinder with a 4.2 amp motor delivering 25,000 RPM, designed for professional welders and fabricators. Its key advantage is AC/DC compatibility for field use, though the 8-foot cord limits mobility. It is best suited for industrial users needing high-speed grinding in welding shops or fabrication environments.
| Attribute | ![]() | ![]() |
|---|---|---|
21,000 RPM | 25,000 RPMbest | |
| ↓ lower better | 6 CFMbest | — |
| ↓ lower better | 92 dBbest | — |
| ↓ lower better | 0.46 kgbest | 1.63 kg |
134 mm | 487.68 mmbest | |
0.25 W | 450 Wbest | |
34 mm | 106.93 mmbest | |
74 mm | 94.99 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
General(1) | ||
Warranty | 1 Year | 3 Year Limited |
Compatibility & Controls(2) | ||
Switch Type | Lever | Paddle with lock-on |
Tool Type | Right Angle | Die Grinder |
Performance(2) | ||
No-Load Speed (RPM) | 21000 RPM | 25000 RPM |
Motor Power (W) | 0.25 W | 450 W |
Dimensions(3) | ||
Overall Length (mm) | 134 mm | 487.68 mm |
Overall Width (mm) | 34 mm | 106.93 mm |
Overall Height (mm) | 74 mm | 94.99 mm |
Power & Air(2) | ||
Power Source | Air | Corded |
Exhaust Type | Front | Angled |
Ergonomics & Build(1) | ||
Weight (kg) | 0.46 kg | 1.63 kg |

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

Supplier descriptions and industry editors highlight the Ingersoll Rand 301B as a durable, value-oriented tool trusted for years of service. The metal housing and vane motor are emphasized for their reliability in general use, with the 0.25 hp motor at 21,000 rpm cited as providing sufficient power for porting and deburring tasks.
Direct consumer reviews are scarce, but available data indicates a positive reception with a 4.7/5 rating on one platform. Users generally praise the tool's comfort, lightness, and power, with no common complaints surfacing in the provided research.




No direct quotes from professional reviewers or editors appear in the search results; descriptions from manufacturer and retailer sites emphasize the tool's high power, AC/DC versatility, and user-friendly paddle switch for tough grinding jobs.
Search results contain no consumer reviews, ratings details, or recurring praise/complaints; only product specs and features are detailed across sources.