Sturtevant-Richmont 850368 TM 4000 Torque Multiplier Max Torque: 4000 ft-lbs (5440 Nm) Input to Output Drive: 1” Square Drive - 1 1/2” Square Drive Features SR Model Number: TM 4000 Torque Multipliers with SR Flat Beam Torque Wrenches are excellent answers for the high torque/limited access applications frequently found in the construction, heavy equipment, and power generation industries The Flat Beam torque wrench provides accurate torque measurement, which is then multiplied by the gears in the multiplier to attain the desired torque Multipliers can be used with either English or S. I. flat beam torque wrenches Gear box has natural frictional loss. For normal requirements, a loss factor of 10% to 20% should be used Reaction bar or reaction foot keeps gear box from turning Click Here to view similar option