The CASE I.H. 1594 tractor, a product of Case IH and David Brown heritage, represents a robust and reliable machine typically produced in the early to mid-1980s. This tractor is renowned for its strong construction and dependable performance, stemming from the engineering legacy of David Brown and integrated into the Case IH '94 Series'. Designed for demanding agricultural applications, the 1594 offers substantial power, likely in the 75-100 HP range, with various engine and transmission configurations available to suit diverse operational needs. Its engineering quality ensures durability, making it a valuable asset for any farming operation. This comprehensive Factory Service Repair Workshop Manual provides detailed information for the CASE I.H. 1594 tractor. It covers all essential systems, including engine overhaul, transmission, hydraulics, electrical, braking, and steering. The manual offers step-by-step repair and rebuild instructions, diagnostic procedures, and troubleshooting guides, all supported by high-quality diagrams and illustrations. It also details regular maintenance procedures, fluid specifications, and torque values, ensuring owners and technicians have the necessary resources to maintain the tractor's performance and longevity, saving time and expense on professional servicing.