This manual provides essential information for the operation and maintenance of the Komatsu D65PX-12 and D65EX-12 excavators. It includes safety instructions, operational procedures, and guidelines for regular maintenance tasks. The manual covers topics such as daily inspections, lubrication, system checks, and troubleshooting tips. It provides detailed maintenance schedules and specifications to ensure optimal performance and longevity of the excavators. This document is crucial for operators and maintenance personnel to maintain the equipment’s efficiency and safety.