1. The D353C Caterpillar Industrial Engine Electrical & Hydraulic Schematic Manual is a comprehensive guide designed for maintenance and repair of engines with serial number 46B. This manual provides detailed diagrams and schematics to assist in troubleshooting electrical and hydraulic systems, ensuring optimal performance and efficiency of the engine. Ideal for technicians and mechanics working with Caterpillar industrial engines, this manual is a valuable resource for identifying and resolving issues quickly and accurately.