Head to head
Karcher HDS 5/11 U vs Von Arx VA 25 S
The Karcher HDS 5/11 U is a professional hot water pressure washer, upright class. The Von Arx VA 25 S is a electric self-propelled surface scarifier for removing coatings, paint and thin screeds from floors.
Last reviewed 13 September 2026

Specifications side by side
| Karcher HDS 5/11 U | Von Arx VA 25 S | |
|---|---|---|
| Motor power | 2.2 kW | 4kW / 5.3HP (electric) |
| Weight | 65.4 kg (with accessories) | 116kg |
| Max pressure | 110 bar | - |
| Flow rate | 450 l/h | - |
| Max water temperature | 80 C | - |
| Working width | - | 25cm |
| Power supply | - | 3x230V or 3x400V electric (110V version also available) |
Sources: Karcher HDS 5/11 U, Von Arx VA 25 S. 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 VA 25 S if...
A walk-behind, self-propelled scarifier used by flooring contractors and plant hire firms to strip old coatings, paint and thin screed off concrete floors. The electric drive suits indoor jobs where a petrol machine's fumes and noise are not wanted.
Listed by
- The Hire Supply Co UK Ltd - London
Common questions
What is the difference between the Karcher HDS 5/11 U and the Von Arx VA 25 S?
The Karcher HDS 5/11 U is a professional hot water pressure washer, upright class; the Von Arx VA 25 S is a electric self-propelled surface scarifier for removing coatings, paint and thin screeds from floors.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.
