This service repair manual covers New Holland TJ and T90 series tractors, specifically focusing on model years 2006, 2007, and 2008. These high-horsepower articulated tractors, including models TJ280 through TJ530 and T9010 through T9060, are built for demanding agricultural operations and represent New Holland's legacy of robust engineering. The manual provides comprehensive information designed to assist owners and technicians in maintaining these powerful machines, ensuring their reliability and optimal performance in the field. This extensive 2993-page manual offers in-depth coverage of all major vehicle systems, including the engine, powershift transmissions, drivelines, PTO, brakes, hydraulic systems, steering, axles, and electrical systems. It details assembly, disassembly, servicing, maintenance, and repair procedures, supported by real photo illustrations, diagrams, and schematics. The manual's troubleshooting sections are designed to enable users to diagnose and resolve issues independently, empowering them to perform their own repairs and save on service costs.