(CAT) Caterpillar 312D EXCAVATOR PHH – PDF

This official Caterpillar Electrical and Hydraulic Schematic Manual is specifically for the 312D Excavator with Serial Number prefix PHH. It provides detailed, factory-approved diagrams and schematics that cover the machine’s entire electrical and hydraulic systems, ensuring accurate troubleshooting, maintenance, and repair. The electrical section features complete wiring diagrams, harness layouts, fuse and relay information, switch and sensor configurations, and control module connections. The hydraulic section includes precise circuit illustrations for pumps, valves, cylinders, and hose routing, enabling efficient diagnostics and optimal performance. An essential guide for technicians, mechanics, and operators dedicated to keeping their Caterpillar 312D running at its best.

Includes: ALL DIAGRAMS & PICTURES for 312D EXCAVATOR PHH
Format: PDF
Language: English
Download Instructions: PDF will be delivered to your email after purchase