Speed of Rotation of the Cutting Device

42M in mower deck..............2762 r/min at 3100 r/min engine speed

42A in mower deck..............2789 r/min at 3100 r/min engine speed

48A in mower deck..............3864 r/min at 3350 r/min engine speed

54A in mower deck..............3497 r/min at 3350 r/min engine speed