This document pertains to the CASE 90XT, a versatile piece of equipment designed for a wide range of operational demands. Engineered for durability and reliable performance, the 90XT features a skid steer drive system with four-wheel drive capabilities, ensuring robust traction in various working environments. Its design prioritizes efficient operation, incorporating hand controls for steering and boom functions, and a quick-attach system for seamless attachment changes. The equipment is powered by a diesel engine with a liquid-cooled system and utilizes an injection fuel system, contributing to its operational effectiveness. This comprehensive Parts Catalog, presented in English, serves as an essential resource for identifying and ordering components for the CASE 90XT. It details service intervals, oil capacities, filter types, and lubrication points, providing critical information for maintaining the equipment's optimal condition. The manual covers extensive information regarding the vehicle's specifications, ensuring that owners, mechanics, and technicians have access to the necessary data for accurate part selection and effective maintenance. With 625 pages, this catalog is designed to support the longevity and operational efficiency of the CASE 90XT.