This listing is for one replacement Servis Rhino / Alamo gearbox 17 tooth gear, code 00759488. This gear was used on input shafts and output shafts depending on the RPM the gearbox was being driven at (540 / 1000). Used on TW84, TW96, TW120, TW144, SE10 SE15-4, SR162 and SR240 Replaces code: 00759488