The Hitachi ZAXIS series excavators, including models such as the 330, 330LC, 350H, 350LCH, 350LC, 350LCN, and 370MTH, represent robust construction equipment engineered for demanding tasks. These tracked excavators are powered by reliable diesel engines, commonly Isuzu models, with displacements around 7.8 liters and gross power outputs of approximately 260-275 HP. Designed for efficiency and durability, they feature hydrostatic transmissions and are built to handle significant workloads, with operating weights ranging from approximately 33,000 to 37,000 kg. Their advanced engineering ensures operational excellence in various construction and excavation environments. This comprehensive full service repair manual provides essential information for the maintenance and repair of your Hitachi ZAXIS excavator. It covers critical areas including detailed maintenance procedures, troubleshooting guides, technical specifications, and safety protocols. The manual is designed to assist owners, mechanics, and technicians in understanding the complex systems of the excavator, ensuring optimal performance, longevity, and safe operation. With its detailed instructions and specifications, this manual serves as an indispensable resource for keeping your equipment in peak condition.