Kearney & Trecker 1-20668 Hard Disk Controller Circuit Board Card

Kearney & Trecker Hard Disk Controller Circuit Board Card, part number 1-20668 (also listed as 120668), is a legacy electronic module that functions as the hard disk controller for compatible K&T control systems. Installed in the machine's control electronics, this circuit board manages the interface between control software and the hard disk, coordinating data storage operations within older CNC and automation equipment that relied on dedicated HDD controllers. The listing preserves the exact manufacturer name and part numbers, providing a traceable replacement option for maintenance, restoration, or cataloging of vintage K&T tooling components. As a period-correct component, it supports technicians, service engineers, and collectors seeking authentic parts to restore or preserve historical machinery. Potential buyers include technicians, repair shops, and collectors working on legacy K&T machines who require authentic components to maintain data storage functionality. The exact fit depends on the era and model of the K&T control system, so confirming part numbers 1-20668 or 120668 against your service documentation helps ensure correct replacement.