Replacement output shaft for World Agritech Corp IM702 Rotary Cutter. This gearbox featured a 1-3/4" X 20 spline input shaft and a 2" (1.97) x 15 spline output shaft that Thehad a threaded end for the 1"-14 castle nut. bottom of the gearbox housing would have 01-268 stamped onto the mounting flange. New Old Stock! This shaft is similar to the output shaft used on the 75hp models but is longer and not interchangeable, we have the shorter shafts for the RC61/Rc71 series gearboxes listed in our online store.