Where vast amounts of dirt accumulate every day, reliable 1-phase Karcher super class model HD 3.5/30-4 S Ea  provides indispensable services. Ideal for cleaning silos and tanks and for removing easily and effective paint and coatings. Additional
spray agents or detergents are not necessary thanks to the extremely effective water stream. Pipe pressure test and tube cleaning can be carried out. Can be used with either salt water, or fresh water.

Features and benefits

Proven Kärcher quality
  • Four-pole, water-cooled electro motor.
  • Robust brass cylinder head and ceramic piston.
  • Reinforced, break-resistant plastic chassis.
Hose storage
  • Mounted on both sides; for 20 m high-pressure hose.
  • Hose guide under the machine; high safety against tilting.
  • For convenient and fast attachment/removal.
For increased safety
  • Integrated electronics system for machine monitoring.
  • Switch-off in the case of overvoltage or low voltage range.
  • Switch-off in the case of leaks or phase failure.
Outstanding mobility
  • Large rubberised wheels for uneven surfaces, stairs and half landings.
  • Tried-and-tested sack truck principle for easy, ergonomic transport.
  • Large wheels for uneven surfaces and half landings.



Technical data

Operating pressure max (bar)206
Operating pressure min (bar)30
Flow rate max (l/h) 790
Flow rate min (l/h) 400
Max. water feed temperature (°C) 60
Power rating (kW)6.7
Voltage (V)220
Number of current phases (Ph)1
Frequency (Hz)60
Weight (kg)62
Dimensions (LxWxH) (mm)560x500x1090
Detergent tank (l)6


Operating manual
Safety instructions


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