This workshop service repair manual covers the New Holland MH2.6 and MH3.6 mobile excavators, designed for robust performance in demanding environments. These machines are engineered for reliability and efficiency, featuring a powerful 3.9L 4-cylinder, 4-cycle, turbocharged CNH IVECO F4BE diesel engine. The manual provides comprehensive information to ensure these excavators operate at their peak performance, reflecting their advanced design and construction quality. The purpose of this manual is to serve as an indispensable resource for maintaining and repairing your New Holland mobile excavator. It includes detailed sections on general information, safety notices, specifications, maintenance standards, and tightening torques. Furthermore, it covers engine disassembly and assembly, fuel, lubrication, inlet, exhaust, electrical, emission control, and cooling systems, as well as starter, alternator, and engine control modules. The manual also delves into transmission, hydraulic systems, hydrostatic systems, steering, gearbox, final drive, climate control, and electrical systems, including warning indicators and fault codes. Troubleshooting guides, hydraulic diagrams, and electrical diagrams are also provided to assist owners, mechanics, and technicians in performing all necessary service and repair procedures.