Overview Reviews Product Description This governor is designed to manage turbine speeds efficiently at 4000 rpm with a screw mechanism. Product Videos Custom Field Product Reviews Write a Review Write a Review × WOODWARD TG13 Screw, 4000 rpm (9904-828) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *