Atlas Copco 1616765190 Air End Assembly

The 1616765190 air end is a critical rotary screw compressor element designed for Atlas Copco C80 series stationary compressors (including C80-45, C80-55, and VSD+ models) and Chicago Pneumatic CPM21, CPM25, CPM30, CPM40 portable compressor units. This assembly integrates precision-machined rotors with a 4/6 tooth profile, optimized for a pressure ratio of 10 bar in oil-injected applications. The unit is belt-driven and rated for 37 kW (50 HP) motor input. It serves as a direct replacement for OEM part numbers 1616-7651-90, 1616765180, 1303000180, 1616738290, and 1616738291. Engineering focuses on thermal stability, reduced internal leakage, and energy efficiency for continuous-duty industrial operation.