Case 580C Construction King Loader Backhoe 1975–1980 Operation and Maintenance Manual (P/N 9-4977)

Official 185-page manual (Form 9-4977, Sept 1977) cuts out the guesswork. It provides the definitive operational data needed to keep Mechanical Shuttle, Power Shuttle, and Extendahoe models running properly in the shop or on the job site.

Available as an instant download, you can pull up these specs on your phone or print them in standard letter/A4 format right now.

Crucial Shop Data & Specifications

• Fluid Capacities: Accurately service the 22-gallon fuel tank and the 21-quart coolant system (for standard models).
• Engine & Hydraulics: Verifies the 16.5:1 engine compression ratio for the G207D diesel build. Essential hydraulic system relief pressure is documented at a strict 2200 ± 50 psi (15168 ± 345 kPa).
• Torque Values: Includes vital multi-stage torque processes, such as securing backhoe mount tension rod nuts to 450–550 ft-lbs (610–745 Nm).
• Cockpit Controls: Complete layout mapping for instrument clusters, shuttle shifting, and standard/twin-lever/Extendahoe control patterns.
• Daily Operations: Detailed charts for loader bucket capacities, tire pressure configurations, PTO engagement, and precise drawbar settings.

Safety & Proper Operation Heavy machinery requires strict adherence to operating protocols. Always review the 47 included safety warning illustrations before performing maintenance, adjusting return-to-dig settings, or handling cold/hot weather startups to prevent injury and protect your equipment.

Whether you are managing three-point hitch operations or need exact capacities for a fluid change, this manual puts the original factory data directly into your hands.