This document provides comprehensive service information for the Case IH 2090 Series Tractor. Case IH, a manufacturer renowned for its robust agricultural machinery, has engineered the 2090 Series to deliver exceptional power and durability for demanding field operations. While specific production years are not detailed, this series represents a lineage of powerful tractors designed for heavy-duty work, embodying the brand's heritage of reliability and performance in the agricultural sector. This workshop service manual is designed to assist tractor owners, farm operators, agricultural technicians, and repair shops in maintaining and repairing the Case IH 2090 Series Tractor. It offers in-depth coverage of all major systems, including the engine, fuel, electrical, hydraulic, transmission, powertrain, braking, steering, cooling, air conditioning, chassis, and operator station. The manual provides detailed instructions for routine maintenance, troubleshooting, major repairs, disassembly and assembly, along with essential technical specifications, wiring diagrams, and torque values. Its professional-quality content, enhanced with illustrative pictures and diagrams, empowers users to perform their own repairs, thereby saving on labor and service costs.