This manual covers the Case CX460 TIER 3 Crawler Excavator, a robust machine engineered for demanding construction and earthmoving applications. Featuring a powerful Cummins QSM11-C300 TIER 3 diesel engine delivering up to 224 kW (300 hp), this excavator offers exceptional performance and reliability. Its hydrostatic, two-speed travel transmission ensures efficient operation across various terrains, while its substantial operating weight of 45,840 kg and impressive digging depth of 7,180 mm highlight its heavy-duty capabilities. The CX460 TIER 3 is designed for productivity and durability in challenging work environments. The purpose of this Service Manual (WSM) is to provide comprehensive technical information for the maintenance and repair of the Case CX460 TIER 3 Crawler Excavator. It details essential procedures, troubleshooting guides, technical specifications, and safety protocols. This in-depth resource is intended for owners, mechanics, and technicians, enabling them to effectively maintain the excavator's optimal performance, ensure its longevity, and address any operational issues with accuracy and efficiency.