The MF8680 is a heavy-duty agricultural tractor, part of a high-horsepower range designed for demanding farm operations. Known for its innovation and durability, this model typically features a powerful diesel engine, often around 260-280 PTO horsepower, coupled with an advanced Continuously Variable Transmission (CVT) for precise speed control. Its robust construction, including a ROPS-compliant cab with excellent visibility and ergonomic controls, ensures operator comfort and safety during extensive use. The MF8680 represents a significant investment in modern farming technology, offering efficiency and performance comparable to leading competitors in its class.
This comprehensive Workshop Service Repair Manual provides detailed technical information for the MF8680, covering all models, engines, trims, and transmission types. It is an essential resource for farmers, agricultural professionals, and maintenance technicians, offering factory-level data to save time and money on repairs and maintenance. The manual includes extensive coverage of powertrain systems (engine, gearbox, rear axle, PTO), chassis (front axle), hydraulics, electrical systems, electronics, and the operator's cab. It details routine and scheduled maintenance, troubleshooting, diagnostic procedures, disassembly and assembly, cleaning, and reinstallation. With hundreds of diagrams, illustrations, and photos, this English-language manual offers in-depth guidance for professional technicians.
    
    
    
    
    
    
        
            Product Type:
        
        
            Workshop Service Repair Manual
        
     
    
    
 
    
    
    
        
            Classification:
        
        
            Heavy-duty agricultural tractor
        
     
    
    
        
            Target User:
        
        
            Farmers, agricultural professionals, maintenance technicians
        
     
    
        
            Value Proposition:
        
        
            Saves time and money on repairs and maintenance by providing factory-level information.
        
     
    
    
        
            Competitors:
        
        
            John Deere, Case IH, New Holland, Claas (in the high horsepower tractor segment).
        
     
 
    
    
    
        
            Covered Models:
        
        
            All Models/Engines/Trim/Transmissions Types
        
     
    
    
        
            Estimated Page Count:
        
        
            Hundreds of pages (as per description)
        
     
    
    
        
            Type:
        
        
            Workshop Service Repair Manual
        
     
    
        
            Source Of Information:
        
        
            Original manufacturer's manual, used by local service/repair shops.
        
     
    
    
    
    
    
        
            Searchability:
        
        
            Likely searchable text within the PDF for quick information retrieval.
        
     
 
    
    
    
        
            Powertrain:
        
        
            Engine, Gearbox, Rear Axle, Power Take Off (PTO)
        
     
    
    
        
            Hydraulics:
        
        
            Hydraulic Systems
        
     
    
        
            Electrical Electronics:
        
        
            Electrical Systems, Electronics, Wiring Diagrams
        
     
    
    
        
            Steering:
        
        
            Power steering system
        
     
    
        
            Braking:
        
        
            Brake system service and repair
        
     
    
    
        
            Maintenance:
        
        
            Routine Maintenance, Scheduled Service
        
     
    
        
            Diagnostics:
        
        
            Troubleshooting, Diagnostic Procedures
        
     
    
        
            Repair:
        
        
            Disassembly, Assembly, Repair Procedures
        
     
    
        
            Cleaning Reinstallation:
        
        
            Cleaning and Reinstalling Procedures
        
     
    
        
            Troubleshooting:
        
        
            Detailed troubleshooting guides for various systems.
        
     
    
        
            Installation:
        
        
            Procedures for installing common attachments and components.
        
     
    
    
        
            Depth:
        
        
            Comprehensive diagnostic, repair, and maintenance information for professional technicians.
        
     
    
        
            Diagrams:
        
        
            Hundreds of diagrams, illustrations, and photos.
        
     
    
        
            Specifications:
        
        
            Critical specifications for all repair and maintenance procedures.
        
     
 
    
    
    
    
    
        
            Printable:
        
        
            Full Printable
        
     
    
    
        
            Zoom Capability:
        
        
            Zoom IN/OUT
        
     
    
    
        
            Delivery Method:
        
        
            Instant Download
        
     
    
    
        
            Software Requirements:
        
        
            Adobe PDF Reader, WinZip
        
     
    
    
        
            Operating Systems:
        
        
            All Versions of Windows & Mac
        
     
 
    
    
    
        
            Engine Manufacturer:
        
        
            AGCO (likely Sisu Power engine)
        
     
    
        
            Engine Model Code:
        
        
            Likely Sisu C-series (e.g., 74FTR450A-01 or similar - requires specific model verification from manual)
        
     
    
        
            Displacement:
        
        
            Approx. 7.4 liters (likely, based on typical Sisu Power engines of that era)
        
     
    
    
        
            Horsepower Range:
        
        
            Approximately 260-280 PTO horsepower (typical for this class)
        
     
    
        
            Torque Peak:
        
        
            Estimated ~900-1000 lb-ft at ~1400-1600 RPM (typical for this horsepower class)
        
     
    
        
            Boost Horsepower:
        
        
            Often features a boost function for increased power in demanding applications.
        
     
    
    
    
        
            Injection System:
        
        
            Common Rail Direct Injection (CRDI)
        
     
    
    
        
            Emission Standards:
        
        
            Tier 3/Stage III A or Tier 4/Stage IV (depending on production year)
        
     
 
    
    
    
        
            Transmission Type:
        
        
            Continuously Variable Transmission (CVT) - e.g., Dyna-VT or similar AGCO technology
        
     
    
    
        
            Transmission Control:
        
        
            Infinitely variable speed control, engine speed matching
        
     
    
        
            Transmission Fluid:
        
        
            Specific AGCO CVT fluid or equivalent.
        
     
    
    
        
            Transmission Options:
        
        
            While CVT is primary, other power shift or manual transmissions might have existed for specific markets or older configurations, though unlikely for this flagship model.
        
     
 
    
    
    
        
            Operating Weight:
        
        
            Typically 15,000 - 18,000 lbs (dry weight)
        
     
    
        
            Max Gross Vehicle Weight:
        
        
            Can exceed 25,000 lbs with ballast and implements
        
     
    
    
        
            Length:
        
        
            Approx. 190-210 inches (without implements)
        
     
    
        
            Wheelbase:
        
        
            Approx. 115-125 inches
        
     
    
        
            Width:
        
        
            Approx. 90-100 inches (without dual wheels)
        
     
 
    
    
    
        
            Cab Design:
        
        
            ROPS (Roll-Over Protective Structure) compliant cab
        
     
    
    
        
            Lighting:
        
        
            Integrated work lights, road lights
        
     
    
    
        
            Seatbelt:
        
        
            Operator seatbelt system
        
     
    
        
            Cab Visibility:
        
        
            Excellent all-around visibility
        
     
 
    
    
    
        
            Cab Features:
        
        
            Climate control, ergonomic seating, advanced control interfaces.
        
     
    
    
        
            Performance Monitoring:
        
        
            Onboard diagnostics, performance monitoring systems.
        
     
    
        
            Gps Guidance:
        
        
            Optional integration for autosteer and GPS guidance systems.
        
     
    
    
        
            Telematics:
        
        
            Potential for telematics integration for fleet management and remote diagnostics.
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Typically every 250-500 hours or annually, depending on operating conditions.
        
     
    
        
            Transmission Fluid Change:
        
        
            Refer to manual, typically 1000-2000 hours for CVT fluid.
        
     
    
        
            Air Filter Replacement:
        
        
            As per indicator or maximum interval (e.g., 500 hours).
        
     
    
    
        
            Engine Oil Type:
        
        
            API CJ-4 or CK-4, SAE 15W-40 or 10W-30 (refer to manual for exact spec)
        
     
    
        
            Hydraulic Fluid Type:
        
        
            Massey Ferguson Approved UTTO or M1145 specification fluids
        
     
    
        
            Engine Coolant Type:
        
        
            Ethylene Glycol based coolant with appropriate additives for heavy-duty applications.
        
     
    
        
            Gearbox Oil Type:
        
        
            AGCO Gear Oil or equivalent suitable for heavy-duty final drives.
        
     
    
        
            Transmission Fluid Capacity:
        
        
            Requires specific capacity check as per manual, likely 20-30+ liters for CVT.
        
     
    
    
        
            Common Wear Items:
        
        
            Hydraulic pump wear, electronic control unit (ECU) issues, PTO clutch wear (depending on usage)
        
     
    
        
            Common Maintenance Tasks:
        
        
            Regular greasing of pivot points, checking hydraulic oil levels, filter replacements.
        
     
 
    
    
    
        
            Heritage:
        
        
            Massey Ferguson is a long-standing and reputable brand in agricultural machinery, known for innovation and durability.
        
     
    
    
        
            Series Positioning:
        
        
            Part of the high-horsepower range, designed for demanding farm operations.
        
     
    
    
        
            Production Period:
        
        
            Mid-2000s to early 2010s (approximate)
        
     
    
        
            Manufacturing Location:
        
        
            Likely built in AGCO's European manufacturing facilities.