The Case International 685 Tractor, a robust agricultural machine likely produced during the 1980s, represents a significant offering from the Case Corporation's esteemed '80 series'. Engineered for demanding farm work, this diesel-powered tractor is characterized by its strong low-end torque, essential for powering various implements. Its design prioritizes reliability and operational efficiency, making it a dependable workhorse for a wide range of agricultural tasks. The 685 is a testament to the enduring quality and practical engineering that defined Case tractors during this era, offering substantial value and performance for its intended purpose. This comprehensive service repair manual provides extensive coverage for the Case International 685 Tractor, detailing full service repair, maintenance, and rebuilding procedures. It is designed to assist professional technicians, farm mechanics, and owners undertaking their own repairs. The manual meticulously covers all major systems, including the engine, transmission, hydraulics, and electrical components, offering step-by-step instructions, detailed sub-steps, and clear illustrations for precise part identification. Troubleshooting guides and diagnostic flowcharts are included to effectively resolve common and uncommon issues, ensuring the optimal performance and longevity of your tractor. 🏷️ Basic Information Identification Make: Case International Model: 685 Tractor Type: Agricultural Tractor 👋 Introduction Market Position Target Audience: Professional technicians, farm mechanics, owners performing their own maintenance and repairs Competitive Analysis Value Proposition: Provides professional-level repair and maintenance data at a fraction of the cost of official dealer manuals, with the convenience of instant digital access. Key Features Instructional Format: Numbered instructions, detailed sub-steps, bold figure numbers for easy illustration matching Visual Aids: Detailed illustrations, drawings, photos, and enlarged insets for precise part identification Navigation: Numbered table of contents for quick information retrieval 📋 Manual Details Coverage Areas Primary Coverage: Full Service Repair, Maintenance, Rebuild, Refurbish, Restoration Page Count Estimated Page Count: Extensive (Specific count not provided, but described as 'very detailed') Manual Type Manual Type: Full Service Repair Manual Language Language: English Format File Format: PDF Delivery Method: Instant Download 📖 Manual Coverage Systems Covered Engine Systems: Engine overhaul, fuel system, lubrication system, cooling system, exhaust system, starting and charging system Transmission Systems: Gearbox overhaul, clutch, power take-off (PTO) operation and maintenance Hydraulic Systems: Hydraulic pump, cylinders, control valves, hydraulic fluids and maintenance Electrical Systems: Wiring diagrams, troubleshooting, diagnostics, lighting, starter, alternator Chassis And Frame: Front axle, rear axle, steering system, braking system Body And Cab: Operator cab, controls, instrumentation, sheet metal repair Procedures Included Maintenance Procedures: Regular servicing, lubrication points, filter changes, fluid level checks, pre-operation checks Repair Procedures: Step-by-step instructions for all major components and systems, including detailed sub-steps Troubleshooting: Diagnostic flowcharts and guides for identifying and resolving common and uncommon issues Rebuilding Procedures: Complete rebuild instructions for engines, transmissions, and hydraulic systems Technical Depth Depth Of Information: Comprehensive, suitable for professional technicians and experienced DIY mechanics Diagnostic Capabilities: Detailed diagnostic procedures for all systems, including electrical troubleshooting with wiring diagrams 📊 Manual Specifications File Format File Format Details: PDF, Adobe Reader required Print Quality Printability: Full Printable, all pages can be printed Binding Type Binding Type: Digital (PDF) Paper Type Paper Type: N/A (Digital Format) ⚙️ Engine Specifications Primary Engine Engine Family: Perkins (Common for this era of Case tractors, likely a 4-cylinder variant) Engine Displacement: Typically around 3.9 Liters (236 cubic inches) for the 4-cylinder Perkins engine used in this series. Specific variant not listed, but this is a strong probability. Performance Horsepower Range: Approximately 60-70 PTO horsepower, depending on specific engine tune and configuration. Torque Characteristics: Designed for strong low-end torque crucial for pulling agricultural implements. Fuel System Fuel Type: Diesel Injection System: Likely Direct Injection with a Mechanical Fuel Injection Pump (e.g., CAV or Bosch) depending on the specific engine code. Maintenance Oil Capacity: Approximately 8-10 quarts (7.5-9.5 liters) with filter. Specific API rating for engine oil would be critical (e.g., API CE or CF). Coolant Capacity: Likely around 15-18 quarts (14-17 liters). Use of a 50/50 coolant/water mix is standard. 🔧 Transmission Standard Transmission Type: Likely a 8-speed (4 forward, 2 reverse with high/low range) or a 12-speed (Synchromesh with creeper gears) manual transmission. Optional Optional Transmission: Possible availability of a powershift or creeper gear option for specific applications. Features Power Take Off Pto: Standard 540 RPM PTO, with a potential option for a 1000 RPM PTO or a 2-speed PTO (540/1000). Maintenance Transmission Fluid Type: Typically a UTTO (Universal Tractor Transmission Oil) or similar hydraulic fluid. Referencing the manual for exact specification is crucial. 📐 Dimensions Exterior Wheelbase: Approximately 82-86 inches (208-218 cm). This can vary with 2WD/4WD configuration. Overall Length: Approximately 130-140 inches (330-355 cm), excluding implements. Overall Width: Typically around 70-80 inches (178-203 cm) at the rear axle, depending on tire size. Weights Operating Weight: Around 5,000-6,000 lbs (2268-2721 kg) for a 2WD configuration, without ballast. 🛡️ Safety Features Ratings Rollover Protection: ROPS (Roll Over Protective Structure) is a...