410B - BACKHOE, LOADER CONTROLS LINKAGE 3115 Parts group CONTROLS LINKAGE 3115 CONTROLS LINKAGE 3115 . LOADER CONTROL VALVE BUCKET LEVELING AND RETURN-TO-DIG LINKAGE [02I12] BUCKET LEVELING AND RETURN-TO-DIG LINKAGE [02I14] THIRD FUNCTION CONTROL VALVE LINKAGE [02I16]