This manual covers the Hitachi EX220-5 Excavator, designed for demanding operational environments. Engineered for reliability and performance, the EX220-5 is equipped with ISUZU A-6BG1TQA, A-6BG1 TQA01, or HINO H07D engine options, providing robust power for various construction and earthmoving tasks. Its construction emphasizes durability and efficiency, making it a dependable choice for professionals in the field. This comprehensive service repair manual provides detailed instructions for maintenance, troubleshooting, and repair of the Hitachi EX220-5 Excavator. It includes information on system and component operation, performance testing, hydraulic and electrical circuits, and workshop procedures for the upperstructure, undercarriage, front attachment, and engine. This resource is intended for both do-it-yourself owners and experienced mechanics, offering step-by-step guidance to ensure the vehicle remains in optimal working condition.