CAT Excavator 345C MHPU Electrical & Hydraulic Schematic Manual — wiring and hydraulic circuits, connector pinouts, pump and valve schematics for repair and diagnostics.
Detailed schematics and annotated diagrams for the CAT 345C MHPU: complete electrical harness layouts, solenoid and sensor wiring, hydraulic circuit diagrams, component locations, connector pinouts, schematic symbols and flow paths. Ideal for service technicians and maintenance teams needing troubleshooting steps, fault isolation tips, parts identification, and system operation notes. Clear PDF reference for repairs, diagnostics and preventive maintenance.