This workshop service repair manual covers the New Holland MH2.6 and MH3.6 mobile excavators. These machines are engineered for robust performance and reliability, featuring a 3.9L 4-cylinder, 4-cycle, turbocharged CNH IVECO F4BE diesel engine. This manual is designed to provide comprehensive information for maintaining and repairing these excavators, ensuring their continued operational efficiency. This manual offers detailed guidance across a wide range of systems, including general information, safety notices, specifications, maintenance standards, and tightening torques. It covers engine disassembly and assembly, fuel, lubrication, inlet, exhaust, electrical, emission control, and cooling systems. Furthermore, it delves into transmission, hydraulic, steering, hydrostatic, and electrical systems, along with troubleshooting, diagrams, and component-specific repair procedures for the booms, dippers, buckets, and cab.