Komatsu GD510,GD520 series shop manual. GD521A-1,GD525A-1

This shop manual is for the Komatsu GD510 and GD520 series, covering various models and serial number ranges:

• GD521A-1: 10001 and up
• GD522A-1: 20001 and up
• GD523A-1: 30001 and up
• GD525A-1: 50001 and up
• GD511A-1: 10001 and up
• GD513A-1: 30001 and up
• GD521R-1: 10001 and up
• GD523R-1: 30001 and up
• GD511R-1: 10001 and up
• GD513R-1: 30001 and up
• GD510R-1: 15001 and up
• GD515A-1: 50001 and up
• GD525A-1C: 60001 and up
• GD525A-1A: 50001 and up
• GD525A-1B: 55001 and up

This factory service manual consists of 650 pages with easy-to-read text sections, high-quality diagrams, pictures, and illustrations. It provides step-by-step instructions for fault finding, repairs, and overhauls, ensuring correct and efficient completion, thus saving time and preventing costly mistakes. Additionally, it includes comprehensive listings of specifications and tolerances, along with explanations of component functions and systems.