This service manual covers the New Holland Construction Excavator models E175B and E195B. These excavators are engineered for demanding construction environments, offering robust performance and reliability. This comprehensive guide is designed to assist users in understanding and maintaining these powerful machines, ensuring their continued operational efficiency and longevity. This manual provides detailed information across numerous sections, including safety precautions, operational principles, system overviews, component operation, performance testing, and troubleshooting. It offers extensive repair instructions for the upperstructure, undercarriage, and front attachments. With over 760 pages of detailed content, this resource is an essential tool for owners, mechanics, and technicians seeking to perform service, repairs, and maintenance effectively, thereby saving on labor costs.