CASE STX Models

This Service Repair Manual covers the CASE I.H. STX 325, a powerful articulated 4WD tractor equipped with a Cummins QSX15 diesel engine. This engine displaces 15.0 L and produces 325 HP, paired with an Eaton Powershift transmission offering 18 forward and 4 reverse gears. The STX 325 is engineered for demanding agricultural and heavy-duty applications, prioritizing robust performance and reliability. Its design focuses on delivering consistent power and operational efficiency for various tasks.

This manual covers the CASE I.H. STX 375, a robust piece of agricultural machinery designed for demanding tasks. Engineered for reliability and performance, the STX 375 represents a significant advancement in its class. Its diesel engine provides ample power for a wide range of applications, making it an indispensable tool for modern farming operations.

The Case IH STX 425 is a high-horsepower articulated tractor, a testament to Case IH's legacy of innovation and robust machinery in the agricultural sector. Designed for demanding tasks, this model represents a significant development in high-horsepower articulated tractor technology. Its engineering prioritizes reliability and performance, making it a powerful asset for large-scale farming operations. The STX series, including the STX 425, was built to deliver exceptional power and efficiency, reflecting Case IH's commitment to providing advanced solutions for modern agriculture.

This manual provides comprehensive service and repair information for the CASE I.H. STX 440. Designed for both experienced technicians and do-it-yourself enthusiasts, it details all aspects of maintenance and repair. The CASE I.H. STX 440 is engineered for demanding applications, offering robust performance and reliability.

The Case IH STX 480 MASTER is a powerful articulated four-wheel-drive tractor, designed for demanding agricultural applications. Built with a heritage of robust engineering from Case IH, a manufacturer with a long history in agricultural equipment, this model represents an evolution in large tractor technology. It typically features a high-horsepower diesel engine, such as the Cummins QSX15, providing approximately 480 HP, and is equipped with an advanced Case IH PowerDrive Continuously Variable Transmission (CVT) for precise speed control and automatic power management. The STX 480 MASTER is engineered for reliability and efficiency in heavy-duty operations, offering significant power and advanced features to enhance productivity.

The Case IH STX 275 is an articulated agricultural tractor designed for demanding fieldwork, representing a significant advancement in tractor technology. Built by Case IH, a manufacturer with a rich heritage in agricultural machinery, the STX 275 embodies a commitment to power, efficiency, and operator comfort. This model, part of the innovative STX series, is engineered for reliability and optimal performance, offering a robust solution for modern farming operations. Its design focuses on delivering substantial horsepower, estimated at 275 HP, suitable for a wide range of agricultural tasks.

The Case IH STX 275 is an articulated 4WD tractor, representing a flagship model known for its power and versatility in demanding agricultural applications. Built with Case IH's heritage of engineering quality and reliability, this tractor is designed to meet the rigorous needs of professional operations. While specific production years are not detailed, the STX series was prominent in the early to mid-2000s, offering robust performance and advanced features for its time, making it a valuable asset for large-scale farming and heavy-duty tasks.

The Case IH STX Series represents a line of high-horsepower articulated agricultural tractors, including models STX 280, STX 330, STX 380, STX 430, STX 480, and STX 530. These tractors were primarily produced in the early to mid-2000s and are engineered for heavy-duty fieldwork and large-scale operations. Key features include articulated steering for enhanced maneuverability, a wide range of power outputs, advanced transmission options such as powershift or continuously variable transmissions (CVTs), and high-flow hydraulic systems capable of powering demanding implements. The STX Series is known for its robust construction, designed to deliver reliability and performance in challenging agricultural environments, offering significant operator comfort through ergonomic cab design and suspension systems.

This manual provides comprehensive service and repair information for Case IH STX Series tractors equipped with the 9 Liter Diesel Engine. The STX series represents a lineage of high-horsepower, articulated 4WD tractors known for their power, versatility, and advanced technology in agricultural applications. Engineered for demanding tasks, these tractors are built with the ruggedness and reliability characteristic of the Case IH brand. This documentation is essential for understanding the intricate systems of these powerful machines, ensuring their continued performance and longevity in the field.

The Case IH STX325 is a heavy-duty, articulated four-wheel-drive agricultural tractor designed for high-horsepower operations, including primary tillage, planting, and demanding draft work. Built with the robust engineering and reliability that define the Case IH brand, this model is a powerful tool for professional farmers and agricultural contractors. Its design focuses on delivering performance and durability in challenging field conditions, making it a dependable asset for large-scale farming operations.

The Case IH STX375 is an articulated agricultural tractor designed for professional farmers and agricultural contractors. Produced in the mid-2000s, this robust machine features articulated steering for enhanced maneuverability, a high-capacity power take-off system, and a powerful hydraulic system capable of operating demanding implements. Its spacious and ergonomic cab ensures operator comfort during long working hours. Built with Case IH's heritage of innovation and reliability, the STX375 is engineered for durability and performance in challenging agricultural environments, making it a dependable choice for intensive field operations.

The CASE IH STX440 is a high-horsepower articulated four-wheel drive tractor engineered for demanding agricultural tasks. Designed for row crop, tillage, and heavy-duty fieldwork, this robust machine offers superior maneuverability through its articulated chassis, high power output for efficient operation with large implements, and durable construction built to withstand rigorous environments. Representing a significant development in CASE IH's agricultural machinery lineup, the STX440 embodies the brand's legacy of innovation and reliability in the field.