Atlas Copco 1616869393 C142 M-13 Air End Assembly

The Atlas Copco 1616869393 is the C142 M-13 oil-injected screw compression element designed for GA 75, GA 75L, GA 90, and GA 110 VSD+ rotary screw air compressors with permanent-magnet variable-speed drive. This air end serves as the core compression stage, housing twin rotors that draw in, trap, and compress air before discharge. The unit is supplied as a complete factory-set assembly with rotors, bearings, and seals pre-installed at precise clearances, enabling full internal condition restoration in a single exchange operation. The element weighs 237.7 kg and measures 62 cm x 52 cm x 51 cm. It integrates directly with the PM motor for gearless, oil-cooled compression. The service part number 1616869393 supersedes the earlier production number 1616869383; both reference the identical C142 M-13 stage. Application requires verification against the compressor nameplate to ensure correct fitment within the 75-110 kW power class.