This service repair manual covers the Case 770 and 870 Tractors, renowned for their robust construction and reliable performance in agricultural and utility applications. These models represent Case Corporation's commitment to producing durable machinery, offering essential functionality for a variety of tasks. The engineering quality inherent in these tractors ensures longevity and efficiency, making them a valuable asset for any operation. This comprehensive 489-page factory service repair manual in English provides in-depth guidance for owners, technicians, and mechanics. It details essential maintenance procedures, routine lubrication, and fluid checks, alongside extensive repair instructions for all major systems, including the engine, fuel, hydraulics, steering, powertrain, and brakes. With step-by-step instructions, detailed diagrams, and troubleshooting guides, this manual is an indispensable resource for maintaining the operational integrity and extending the service life of your Case 770 or 870 Tractor.