DEWALT DCF845BvsDCF850B
Two impact drivers, compared from their makers' published US specs. Specs checked 2026-10-17.
DEWALT DCF845B
DEWALT DCF845B impact driver
Paid link: we may earn a commission.
Check DCF845B price at Acme Tools Opens acmetools.com (US retailer) in a new tab; the current price is shown there.DEWALT DCF850B
DEWALT DCF850B impact driver
Paid link: we may earn a commission.
Find the DCF850B at Acme Tools Opens acmetools.com (US retailer) in a new tab; the current price is shown there.Where they differ
- DEWALT DCF845B: higher top speed (3,400 rpm vs 3,250 rpm).
- Both are bare tools: no battery or charger in either box.
5 of 12 listed specs differ or are listed by only one maker. Stated from the published figures only; no testing.
Every published spec, side by side
| Spec | DEWALT DCF845B | DEWALT DCF850B |
|---|---|---|
| Max torque (manufacturer rating) | 1,825 in-lbs | 1,825 in-lbs |
| Max speedDiffers | 3,400 rpm | 3,250 rpm |
| Tool lengthOnly one listed | Not on maker page | under 4 in (DEWALT's wording) |
| Motor | Brushless | Brushless |
| Batteries in box | 0 | 0 |
| Battery capacity (each) | None included | None included |
| Charger in box | No | No |
| Chuck type | Hex | Hex |
| Weight (DEWALT's 'assembled product' figure)Differs | 2.35 lbs | 2.4 lbs |
| Length (DEWALT's 'assembled product' figure)Differs | 8.07 in | 4.8 in |
| Case | No Case Included | No Case Included |
| UPC barcodeDiffers | 885911893145 | 885911758215 |
"Differs" marks different published values; pure formatting is not counted. "Only one listed" marks a spec only one maker page gives. Box contents, owner ratings, manuals and sources are on each model's own page: DCF845B, DCF850B. Swap either model in the compare tool.
Sources
- DEWALT US product page DCF845B (features), retrieved 2026-10-17
- DEWALT US product page DCF850B (features), retrieved 2026-10-17
Researched by Rob, licensed electrician (Australia). Found an error? Tell us.
We may earn a commission if you buy through our links. Retailer links are paid links; commission never changes what we publish. Affiliate disclosure.