n dirt.The premium class has the best of everything of the machines in the professional range. The cleaning of even extremely dirty and large areas is taken care of quickly.
 
1397800
K 6.91 MD 
 1167201
K 6.300 
 1398601
K 7.85 MD 
Pressure (bar/MPa) 
20-max. 150/2-max. 15
20-max. 150/2-max. 15
20-max. 160/2-max. 16
Water flow rate (l/h/l/min) 
max. 550
max. 550
max. 600
Max. water feed temperature (°C) 
up to 60
max. 60
up to 60
Connected load  
2.5
2.5
3
Weight without access. (kg) 
17
19.5
23
Dimensions (L x W x H) (mm) 
349x346x869
362x459x972
399x390x959
Detergent tank (l) 
2 x 0.75
1
2 x 1