Milwaukee 2904-20vs2904-22

Two hammer drills, compared from their makers' published US specs. Specs checked 2026-10-18.

The Milwaukee 2904-20 and 2904-22 are two package options for the exact same 2904 hammer drill on the Milwaukee M18 platform. Tool performance specs are identical; the 2904-20 is the bare tool (no battery or charger), while the 2904-22 kit adds 2x M18 REDLITHIUM XC5.0 Extended Capacity Battery Pack [48-11-1850], M18 & M12 Multi-Voltage Charger [48-59-1812], Side Handle, Blow Molded Case. All figures below come from published US manufacturer specifications and operator manuals; we have not hands-on tested these units.

Milwaukee 2904-20

BARE TOOLMilwaukee M18

Max torque 1,400 in-lbsMax speed Low 0-500 / High 0-2,100 RPMHammer rate High 0-33,000 BPM

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Milwaukee 2904-22

KITMilwaukee M18

Max torque 1,400 in-lbsMax speed 0-2,100 RPMHammer rate High 0-33,000 BPM (2904-20 tool)

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Find 2904-22 prices on Amazon Find 2904-22 prices at eBay Opens the retailer in a new tab; the current price is shown there. Marketplace sellers vary: check the seller and exact model.

How to choose between them

Both run on Milwaukee M18 batteries, so your existing packs and chargers fit either tool.
The 2904-22 adds batteries and a charger to the same tool; the 2904-20 suits someone who already owns them.

From the published figures only; no testing. Rated figures from different makers are not measured the same way.

Where they differ

In the box: the 2904-20 has no battery or charger; the 2904-22 has 2x M18 REDLITHIUM XC5.0 Extended Capacity Battery Pack [48-11-1850], charger.

5 verified spec differences across 15 specs published for both models. Stated from the published figures only; no testing.

What they share

Same battery system (Milwaukee M18): both tools run on the same packs and chargers.
Same tool category: both are hammer drills.
Matching published specs: Max torque: 1,400 in-lbs; Max speed: Low 0-500 / High 0-2,100 RPM; Hammer rate: High 0-33,000 BPM; Weight, tool only: 3.3 lb; Tool length: 6.95 in; Motor: POWERSTATE Brushless.

Bare tool vs kit cost calculator (2904-20 vs 2904-22)

Enter current prices from your preferred retailer to see what you are paying for the bundled battery and charger in the 2904-22 kit. We do not pre-fill live store prices unless supplied by an approved feed within our freshness window.

Bare tool price (2904-20, $) Kit price (2904-22, $) Compatible Milwaukee M18 batteries you own Own a compatible charger? Est. value of bundled battery(ies) ($, optional) Est. value of bundled charger ($, optional)

Enter the current 2904-20 and 2904-22 prices above to compare the kit premium against the bundled 2x M18 REDLITHIUM XC5.0 Extended Capacity Battery Pack [48-11-1850], M18 & M12 Multi-Voltage Charger [48-59-1812], Side Handle, Blow Molded Case.

Every published spec, side by side

Spec	Milwaukee 2904-20	Milwaukee 2904-22
Max torque (manufacturer rating)	1,400 in-lbs	1,400 in-lbs
Max speed	Low 0-500 / High 0-2,100 RPM	0-2,100 RPM
Hammer rate	High 0-33,000 BPM	High 0-33,000 BPM (2904-20 tool)
Chuck typeDiffers	All Metal Ratcheting	Keyless
Weight, tool only	3.3 lb	3.3 lb
Tool length	6.95 in	6.95 in
Motor	POWERSTATE Brushless	POWERSTATE Brushless
Batteries in boxDiffers	0	2
Battery capacity (each)Differs	None included	5.0 Ah
Charger in boxDiffers	No	Yes
Chuck size	1/2 in	1/2 in
Speed settings	2	2
Clutch settings	16	16
Weight with battery	4.9 lb	4.9 lb
WarrantyDiffers	5 Year Limited Warranty	5 Year (Tool), 3 Years (Battery)

"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: 2904-20, 2904-22. Swap either model in the compare tool.