This Workshop Service Repair Manual covers the FIAT-Hitachi 2 Series Compact Excavators, including the FB90.2, FB100.2, FB110.2, and FB200.2 models, all equipped with Four Wheel Steering (4WS). These robust machines are engineered for demanding construction and excavation tasks, featuring reliable New Holland diesel engines and a PowerShuttle Transmission with a PowerShift Operating Lever for enhanced operational control. Notable features include a Safety Cab with Roll Over Protection (ROPS), a cab heating system, and advanced hydraulic and electrical systems designed for efficiency and durability. The 4WS system provides superior maneuverability in confined spaces, making these excavators versatile for a wide range of applications. This comprehensive manual provides detailed information essential for maintaining and repairing your FIAT-Hitachi compact excavator. It includes in-depth coverage of general maintenance procedures for lubrication, cooling, air, and fuel systems, alongside extensive troubleshooting guides for electrical, hydraulic, and service diagnostics. Major overhaul procedures for the engine, transmission, rear axle, and brakes are clearly outlined, along with specific instructions for various components such as the boom assembly, loader frame, and steering system. With over 1000 pages of technical specifications, repair procedures, and safety guidelines, this manual is an indispensable resource for owners, mechanics, and technicians to ensure the optimal performance and longevity of their equipment.