This service repair manual provides comprehensive information for the Bobcat 425 Compact Excavator, serial number A1HW11001 and above. Designed for robust performance in various compact construction applications, the 425 model is engineered for reliability and efficiency. Its compact size allows for operation in confined spaces, while its powerful hydraulic system and durable undercarriage ensure productivity and longevity in demanding work environments. This manual serves as an essential resource for owners, mechanics, and technicians. It details critical procedures for safety and maintenance, along with in-depth coverage of the hydraulic system, undercarriage, upperstructure, swing section, and electrical system, including analysis tools. Furthermore, it provides guidance on engine service, heater operation, and essential technical specifications, empowering users to effectively maintain, troubleshoot, and repair their Bobcat 425 excavator to ensure optimal performance and operational readiness.