1. The G3412 Caterpillar Gas Engine Electrical & Hydraulic Schematic Manual is a comprehensive guide designed for easy reference and troubleshooting of electrical and hydraulic systems in the G3412 gas engine. This manual is specifically tailored for engines with serial number N43, providing detailed diagrams and information to assist in maintenance and repairs. Ideal for technicians and operators looking to ensure optimal performance and reliability of their Caterpillar gas engine.