Used piston package brand Grasso/GEA type 612E. This in very good condition piston package consists of the following main components: 

• Grasso 6-cylinder piston compressor type 612E, direct driven
• 200 kW Schorch E-motor 
• Vertical oil separator
• All safety devices 

Mentioned cooling capacity is with refrigerant R717/NH₃ at -15°C /+30°C at 1000RPM. 
Cooling capacity at -0°C /+40°C is 1036kW at 1500RPM.