KNOB CONTROL;POWER PISTON POSITION INDICATOR;ROTARY POWER OUTPUT MOTION;KNOB LOAD LIMIT CONTROL ADJUSTMENT;KNOB SPEED DROOP ADJUSTMENT;350-750 ENGINE SPEED RANGE;1.57 TO 1 GOVERNOR TO ENGINE SPEED RATIO;110 VOLT AC/DC SYNCHRONIZING MOTOR;VERTICAL GOVERNOR DRIVE WITH 5/8-30 SAE SERRATIONS