Caterpillar CAT 120G Motor Grader Service Repair Manual (4HD00001 and up)

Motor Grader Model: 120G
Serial Applicable: 4HD00001 and up
Language English
Format: PDF

• Caterpillar CAT 120G Motor Grader Service Repair Manual – 2781 Pages

Caterpillar 120G Manual Table of Content:

• Disassembly and Assembly
• Testing and Adjusting
• Troubleshooting
• Systems Operation
• Torque Specifications
• Specifications
• Schematic

This service manual is a guide to servicing and repairing of the Catapillar 120G Motor Grader. The instructions are grouped by systems to serve the convenience of your ready reference.

Long productive life of your Motor Grader depends to a great extent on correct servicing. The servicing consistent with what you will learn from this manual carefully and know all the components you will work on before attempting to start a test, repair or rebuild job.

Instructions are necessary before operating or servicing machine. Read and understand the Operation & Maintenance Manual, Operator’s Handbook and signs (decals) on machine. Follow warnings and instructions in the manuals when making repairs, adjustments or servicing. Check for correct function after adjustments, repairs or service. Untrained operators and failure to follow instructions can cause injury or death.