Karcher HD 9/20-4 S ST Classic Cold Water Pressure Washer
The Karcher HD 9/20-4 S ST Classic is a high-performance stationary cold-water pressure washer designed for continuous, heavy-duty cleaning in professional environments. Built with a robust steel frame for wall mounting or floor installation, it combines a massive 900 l/h water flow with a durable crankshaft pump to deliver uncompromising power
Ideal For:
- Vehicle Wash Bays: Permanent installation for fleet maintenance and trucking depots.
- Food Processing: Sanitising production lines and floors in industrial kitchens or factories.
- Agriculture: Fixed cleaning stations for dairy parlors and heavy machinery wash-downs.
- Manufacturing: Removing stubborn oil, grease, and debris in workshop environments.
- Mining and Construction: Equipment and machinery cleaning
Karcher HD 9/20-4 S ST Classic Cold Water Pressure Washer Features
- Permanent Stationary Installation – The stationary ST configuration is designed for fixed mounting in wash bays and industrial cleaning stations, providing convenient and organised daily operation.
- Powerful Commercial Cleaning Performance – High pressure combined with strong water flow effectively removes heavy mud, grease, oil and industrial grime from equipment, vehicles and surfaces.
- Durable Industrial Motor – The robust slow-speed 4-pole motor delivers reliable long-term performance while reducing wear and maintenance requirements.
- Built for Heavy-Duty Use – Industrial-grade pump and component construction ensures dependable operation in demanding Australian commercial environments.
- Improved Workplace Efficiency – Permanent installation reduces setup time and improves workflow efficiency for regular cleaning operations.
- Kärcher Professional Engineering – Manufactured by Kärcher, the HD 9/20-4 S ST Classic is built to meet professional cleaning requirements across industrial sectors.


