2000 TRAK DPM 5 Bed Mill, used. SWI make, 12"x50" table, 3-axis, 40" long travel, 20" cross travel, 5 hp, 4000 RPM, 40 taper. ... Used Southwest Industries Trak DPM5 CNC Vertical Machining Center Mill AGE 3 Con. 520 Machinery Used CNC Sales (48) ... Machine Type. Machining Center. Custom Bundle. No. Spindle Taper. NST 40.