Head to head
Karcher HDS 5/11 U vs Milwaukee M18 FH
The Karcher HDS 5/11 U is a professional hot water pressure washer, upright class. The Milwaukee M18 FH is a 18v sds-plus rotary hammer with 4 operating modes.
Last reviewed 13 September 2026
Specifications side by side
| Karcher HDS 5/11 U | Milwaukee M18 FH | |
|---|---|---|
| Weight | 65.4 kg (with accessories) | 2.9 kg (without battery) |
| Max pressure | 110 bar | - |
| Flow rate | 450 l/h | - |
| Max water temperature | 80 C | - |
| Motor power | 2.2 kW | - |
| SDS chuck | - | 26mm SDS-Plus |
| Impact energy | - | 2.5 J |
| No-load speed | - | 0-1330 rpm |
| Impact rate | - | 0-4800 bpm |
Sources: Karcher HDS 5/11 U, Milwaukee M18 FH. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HDS 5/11 U if...
The HDS 5/11 U is an entry point into Karcher's hot-water professional range, used by cleaning contractors and agricultural or workshop users needing hot water for grease and oil removal. It is a common unit on trade cleaning equipment hire fleets rather than a domestic purchase.
Full HDS 5/11 U specifications →Buy or hire the M18 FH if...
The M18 FH is Milwaukee's cordless answer to corded SDS-plus hammers, used by electricians and fixers who want to drop cable and chase without a compressor or extension lead on site. It is aimed at users already invested in the M18 range rather than those buying on price alone.
Full M18 FH specifications →Common questions
What is the difference between the Karcher HDS 5/11 U and the Milwaukee M18 FH?
The Karcher HDS 5/11 U is a professional hot water pressure washer, upright class; the Milwaukee M18 FH is a 18V SDS-Plus rotary hammer with 4 operating modes.
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