🏷️ Basic Information Identification Make: Valtra Model: 6400, 6550, 6600, 6650, 6800, 6850 👋 Introduction Market Position Target Audience: Farmers, agricultural contractors, and heavy-duty users requiring robust and reliable tractor performance. Key Features Build Quality: Known for heavy-duty construction and durability, typical of Valtra's Finnish heritage. Versatility: Suitable for a wide range of farm tasks, from cultivation and planting to baling and transport. Operator Comfort: Designed with operator comfort in mind for long working days, though ergonomics may reflect the era of production. 📋 Manual Details Coverage Areas Manual Type: Factory Service Repair Workshop Manual Language: English Format: PDF Download Availability: Instant Download Licensing: Lifetime Use, No Expiry Device Compatibility: Computers (Windows & MAC), Tablets, Smartphones Printing Capability: Printable (single pages or entire manual) Usage Licensing: Unlimited Devices Manual Type Content Type: Service Repair Workshop Manual 📖 Manual Coverage Systems Covered Engine Systems: Engine overhaul, fuel system, lubrication system, cooling system, intake and exhaust systems, starting system, charging system, engine diagnostics, troubleshooting. Transmission Systems: PowerShift transmission, Synchro transmission, clutch, gearbox, final drives, differential, drive shafts, transmission troubleshooting and repair. Hydraulic Systems: Hydraulic pump, hydraulic valves, hydraulic cylinders, hydraulic circuits, PTO (Power Take-Off) system, implement controls, hydraulic troubleshooting. Electrical Systems: Wiring diagrams, starter motor, alternator, battery, lighting system, ignition system, control modules, sensors, diagnostic codes, electrical troubleshooting. Chassis And Body: Front axle, rear axle, steering system, braking system, wheels and tires, suspension system, hitch system, cabin maintenance, body repairs, panel replacement. Procedures Included Maintenance Procedures: Scheduled maintenance, oil changes, filter replacements, lubrication, inspection routines, pre-operation checks. Repair Procedures: Step-by-step repair instructions for all major components and systems. Troubleshooting Guides: Diagnostic procedures for identifying and resolving common and uncommon issues. Assembly Disassembly: Detailed instructions and exploded views for component disassembly and reassembly. Technical Specifications: Torque values, clearances, tolerances, fluid capacities, electrical specifications. Technical Depth Depth Level: Comprehensive factory-level detail for professional mechanics and experienced technicians. Diagrams And Photos: Hundreds of detailed photos and diagrams, including exploded views and wiring schematics. Diagnostic Codes: Information on diagnostic trouble codes (DTCs) and their interpretation. Special Tools: Identification of specialized tools required for specific repair procedures. Manual Completeness Completeness Level: Complete Factory Service Repair Workshop Manual, covering all aspects of maintenance, repair, and troubleshooting. 📊 Manual Specifications File Format File Type: PDF Searchability: Likely text-searchable PDF for easy navigation. Print Quality Image Resolution: High-resolution images and diagrams suitable for detailed viewing and printing. Binding Type Physical Binding: N/A (Digital Download) Paper Type Physical Paper: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Engine Family: Valtra's own engine designs or AGCO Power (Sisu) engines, common in this era. Engine Displacement: Typically 4.0L to 7.0L range for these models, depending on specific variant (e.g., 4-cylinder or 6-cylinder). Performance Horsepower Range: Approximately 80 HP to 130 HP, varying by model (e.g., 6400 likely lower, 6850 likely higher). Torque Specifications: Detailed torque specifications for engine components will be within the manual. Fuel System Fuel Injection Type: Likely mechanical or electronic direct injection (common rail for later models within this range). Fuel Type: Diesel Cooling System Cooling Method: Liquid-cooled Lubrication System Oil Type Recommendation: Manual will specify API service classifications and viscosity grades (e.g., SAE 15W-40 for heavy-duty diesel). Engine Codes Common Engine Codes: Specific engine codes (e.g., Sisu 31A, 33A series) would be detailed within the manual for each model. 🔧 Transmission Standard Transmission Type: Manual transmission with power shuttle, or semi-powershift (e.g., HiTech) depending on model and configuration. Optional Optional Transmission: Some models may offer a fully automatic or more advanced powershift transmission. Features Transmission Gears: Manual specifies gear counts for different transmission options (e.g., 16F/16R, 32F/32R). Fluid Specifications Transmission Fluid Type: Manual will specify AGCO Fendt / Valtra branded transmission oil, or equivalent UTTO (Universal Tractor Transmission Oil) meeting specific standards. 📐 Dimensions Exterior Wheelbase: Varies by model, typically in the range of 2.4m to 2.7m. Overall Length: Varies by model, generally around 4.0m to 4.5m. Weights Operating Weight: Typically 4,000 kg to 5,500 kg, depending on configuration and options. Front Axle Load: Specified in manual for load balancing. Rear Axle Load: Specified in manual for load balancing. 🛡️ Safety Features Active Features Braking System: Hydraulically assisted wet disc brakes, potentially with a dedicated park brake mechanism. Passive Features Cab Structure: ROPS (Roll-Over Protective Structure) certified cab. Seatbelts: Mandatory for ROPS certified operation. 🔧 Maintenance Service Intervals Engine Oil Change Interval: Typically 250-500 hours, depending on operating conditions. Manual will provide precise intervals. Hydraulic Oil Change Interval: Usually 1000-1200 hours or annually. Manual will specify. Transmission Oil Change Interval: Typically 1200-1500 hours. Manual will provide precise intervals. Fluid Specifications Engine Oil Capacity: Varies by engine size (4-cyl vs 6-cyl), typically 10-15 liters. Manual specifies exact capacity. Hydraulic Oil Capacity: Typically 30-50 liters for the main hydraulic system. Manual specifies exact capacity. Known Issues Common Wear Items: Clutch wear,...