This Service Repair Manual covers CNH Cursor engines, specifically the Cursor F2CE9684 Tier 3 and Cursor F3AE9684 Tier 3 models. These engines are engineered for robust performance and reliability, featuring advanced systems such as turbocharging, an internal EGR system, and a sophisticated EDC 7 UC31 control unit. The comprehensive design includes detailed components for lubrication, cooling, fuel delivery, and air intake, ensuring efficient operation across various demanding applications. This manual provides essential information for the maintenance, repair, and troubleshooting of your CNH Cursor engine. It includes detailed procedures for assembly and disassembly, technical maintenance guidelines, and diagnostic information utilizing the CNH -- EST Diagnostic Tool and fault codes. With real photo illustrations, schemes, and diagrams for electrical, hydraulic, and lubrication systems, this resource is designed to assist owners, mechanics, and technicians in keeping the engine in optimal condition.