Torque-Arm II Features. 12 new reducer sizes with modular accessories. All reducers can be shaft mounted, screw conveyor, vertical, and flange mounted. Horsepower ratings through 300kW. Torque ratings through 57800Nm • Standard 5, 9, 15, 25, and up to 40:1 gear ratios. Nearly 300:1 speed reduction with V-belt drives • Twin-tapered bushing ...