THE MONARCH 612 IS A HEAVY-DUTY ENGINE LATHE FEATURING A 17-INCH SWING AND 54 INCHES BETWEEN CENTERS, WITH A 16-INCH SWING OVER THE CROSS SLIDE. IT IS POWERED BY A 10 HP MOTOR REQUIRING 240V 3 PHASE ELECTRICAL SUPPLY. THE MACHINE PROVIDES 18 SPINDLE SPEEDS, WITH A LOW RANGE OF 14 TO 146 RPM AND A HIGH RANGE OF 169 TO 1750 RPM. THE SPINDLE HAS A 2-INCH BORE AND A D1-6 MOUNT, FURNISHED WITH A 12-INCH 4 JAW CHUCK AND AN ALORIS QUICK CHANGE TOOLPOST. KEY ACCESSORIES INCLUDE A TAPER ATTACHMENT AND A COOLANT SYSTEM. THREADING CAPABILITIES OFFER 66 DIFFERENT INCH THREADS FROM 2 TO 120 TPI, AND 66 DIFFERENT FEEDS RANGING FROM 0.0014 TO 0.0841 IPR. THREADING MECHANISMS ARE LEVER-OPERATED, SUPPORTING BOTH LEAD SCREW AND FEED SHAFT OPERATIONS.