ENGINE: AIR-COOLED 4 STROKE SINGLE CYLINDER PLUNGER DIAMETER 18 MM STROKE 8 MM WORKING PRESSURE 1.5 – 2.5 MPA AIR DISPLACEMENTS 26 CC REQUIRE POWER 1.1 KW CAPACITY 3.3 – 7 L/MIN R.P.M. 5000 – 11000