3 hp southwestern industries (swi) "trak k3 kmx" cnc vertical mill w/prototrak kmx control (2022) used. manufacturer: trak 3 hp swi (southwestern industries) "trak k3 kmx" cnc vertical mill w/prototrak kmx control new 2022, serial no 223dy911, model trak k3 kmx equipped with: prototrak kmx cnc control power feed to knee 3 hp va...