Positioning:
        
        
            High-performance, premium agricultural tractors known for their advanced Vario transmission technology and operator comfort. The COM III models represent a significant evolution in emissions compliance and integrated technology.
        
     
    
    
        
            Competitors:
        
        
            John Deere 7R/8R Series, Case IH Magnum/Puma Series, New Holland T7/T8 Series, Claas Axion Series.
        
     
    
    
        
            Highlight Features:
        
        
            Fendt Vario (CVT) transmission, powerful and efficient Tier 3 engines, advanced hydraulic systems, comfortable and functional operator cabins, integrated electronics for precision farming.
        
     
 
    
    
    
        
            Primary Coverage:
        
        
            Complete Service & Repair Procedures for Fendt 700 Vario and 800 Vario COM III series tractors.
        
     
    
        
            Specific Models Covered:
        
        
            Fendt 712 Vario COM III (from chassis no. 724..1001-), Fendt 714 Vario COM III (from chassis no. 725..1001-), Fendt 716 Vario COM III (from chassis no. 726..1001-), Fendt 718 Vario COM III (from chassis no. 727..1001-), Fendt 818 Vario COM III (from chassis no. 729..1001-), Fendt 820 Vario COM III (from chassis no. 731..1001-).
        
     
    
        
            Additional Coverage:
        
        
            All Engine Variants, Transmission Types, Trim Levels within the specified COM III models.
        
     
    
    
        
            Estimated Page Count:
        
        
            Extensive (exact number not specified, implies comprehensive coverage).
        
     
    
    
        
            Type:
        
        
            Workshop Service Repair Manual
        
     
    
    
        
            Language:
        
        
            English (presumed based on product description language).
        
     
    
    
 
    
    
    
        
            Engine System:
        
        
            Engine overhaul, diagnosis, repair, fuel system, lubrication system, cooling system, intake and exhaust systems, engine management.
        
     
    
        
            Transmission System:
        
        
            Vario transmission (ML 70/ML 80/ML 90 series - specific type depends on model), hydraulic control, power split, mechatronics unit, gearbox overhaul, diagnosis, fluid changes.
        
     
    
        
            Hydraulic System:
        
        
            Hydraulic pump, control valves, cylinders, PTO hydraulics, implement hydraulics, steering hydraulics, diagnosis and repair.
        
     
    
        
            Electrical System:
        
        
            Wiring diagrams, starter, alternator, battery, lighting, control units (ECU), sensors, actuators, diagnostic connectors, cabin electronics.
        
     
    
        
            Braking System:
        
        
            Service brakes, parking brake, hydraulic brake actuation, brake adjustments, fluid replacement.
        
     
    
        
            Steering System:
        
        
            Hydraulic power steering, steering column, steering cylinder, diagnosis and repair.
        
     
    
        
            Chassis And Suspension:
        
        
            Front axle, rear axle, differential, drive shafts, wheel hubs, steering linkage.
        
     
    
        
            Cab And Bodywork:
        
        
            Cabin structure, doors, windows, interior trim, heating and ventilation (HVAC), operator comfort systems, exterior panels.
        
     
    
        
            Pto And Hitch:
        
        
            Rear PTO operation and maintenance, front PTO (if equipped), three-point hitch system (mechanical and hydraulic control).
        
     
    
    
        
            Preventive Maintenance:
        
        
            Scheduled maintenance, lubrication points, filter replacements, fluid checks and changes, inspection routines.
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures, fault code interpretation, symptom-based troubleshooting guides, common problems and solutions.
        
     
    
        
            Major Repairs:
        
        
            Engine rebuilds, transmission overhaul, hydraulic system repairs, axle and brake servicing, electrical component replacement.
        
     
    
        
            Component Removal And Installation:
        
        
            Step-by-step instructions for removing and installing all major and minor components.
        
     
    
        
            Adjustments:
        
        
            Valve adjustments, brake adjustments, clutch adjustments (if applicable), hydraulic pressure settings.
        
     
    
        
            Diagnostic Tool Usage:
        
        
            Information on using diagnostic tools (e.g., Fendt-specific software) for fault analysis.
        
     
    
    
        
            Depth:
        
        
            Comprehensive, from basic daily checks to complete engine and transmission rebuilds. Includes detailed diagnostic information and repair procedures.
        
     
 
    
    
    
        
            Engine Manufacturer:
        
        
            Deutz (typically for these models/generations)
        
     
    
        
            Engine Series:
        
        
            TCD 2013 L06 2V (likely for 700 series), TCD 2013 L06 4V (likely for 800 series)
        
     
    
        
            Engine Technology:
        
        
            Inline 6-cylinder, turbocharged, intercooled, Common Rail fuel injection, SCR/DPF (depending on specific market build for COM III).
        
     
    
    
        
            Horsepower Range:
        
        
            Approximately 120 HP to 200+ HP (varying by specific model: 712, 714, 716, 718, 818, 820).
        
     
    
        
            Torque Characteristics:
        
        
            High torque output across a wide RPM range, optimized for heavy draft work and transport.
        
     
    
    
        
            Injection Type:
        
        
            Electronic Common Rail (ECR)
        
     
    
 
    
    
    
        
            Type:
        
        
            Fendt Vario (Continuously Variable Transmission - CVT)
        
     
    
        
            Transmission Models:
        
        
            ML 70 (for lighter 700 series), ML 80 / ML 90 (for heavier 700 and 800 series).
        
     
    
    
        
            Options:
        
        
            N/A (Vario is standard and defining feature).
        
     
    
    
        
            Control System:
        
        
            Electronic joystick control, automatic speed management, engine-load dependent transmission control.
        
     
    
        
            Drive Modes:
        
        
            Tractor and implement drive modes, cruise control functionality.
        
     
 
    
    
    
        
            Operator Station Design:
        
        
            ROPS (Roll-Over Protective Structure) certified cabin, providing enhanced operator safety.
        
     
    
    
        
            Braking System:
        
        
            Hydraulic service brakes, independent parking brake, optionally ABS on front axle.
        
     
    
        
            Lighting And Signaling:
        
        
            Standard road lighting, turn signals, hazard lights, work lights.
        
     
    
    
        
            Seat Safety:
        
        
            Operator seat with integrated seatbelt, often with suspension.
        
     
    
        
            Visibility:
        
        
            Large panoramic windows, optional cameras for improved all-around visibility.
        
     
 
    
    
    
        
            Cabin Features:
        
        
            Advanced operator interface, often with EHR (Electronic Draft Control) for the hitch, climate control, comfortable seating, work lighting controls.
        
     
    
    
        
            Guidance Systems:
        
        
            Provisions for GPS guidance systems (e.g., VarioGuide), automated steering functions.
        
     
    
        
            Telemetry:
        
        
            Potentially equipped with basic telematics for machine monitoring and diagnostics.
        
     
    
    
        
            Diagnostic Ports:
        
        
            OBD-II style diagnostic connectors for engine and transmission control units.
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Typically 500 or 600 operating hours, depending on oil type and operating conditions. Consult specific manual for exact interval.
        
     
    
        
            Transmission Fluid Change:
        
        
            Often 1200 or 2000 operating hours for Vario transmission fluid and filter. Critical component requiring specific Fendt-approved fluid.
        
     
    
        
            Hydraulic Fluid Change:
        
        
            Typically 1200 or 2000 operating hours. Uses Fendt-specific hydraulic oil.
        
     
    
    
        
            Engine Oil:
        
        
            API CJ-4 or ACEA E9 specification, SAE 10W-40 or 15W-40 (depending on temperature). Always refer to manual for exact OEM specification.
        
     
    
        
            Transmission Fluid:
        
        
            Fendt Vario Transmission Fluid (e.g., AGCO Fluid 821 XL or equivalent). Critical to use the correct fluid to avoid transmission damage.
        
     
    
        
            Hydraulic Fluid:
        
        
            Fendt Agrolys HD 305 or similar; consult manual for precise specification. Often a universal tractor transmission oil (UTTO) or hydraulic fluid.
        
     
    
        
            Coolant:
        
        
            OAT (Organic Acid Technology) coolant, typically a 50/50 mix with distilled water. Fendt-specific coolant recommended.
        
     
    
    
        
            Common Wear Items:
        
        
            Wear on Vario transmission components (e.g., clutch packs, planetary gears) with high hours, potential issues with electronic sensors, EGR valve issues, DPF regeneration problems (if equipped).
        
     
    
        
            Diagnostic Challenges:
        
        
            Complex electronic systems require specialized diagnostic tools (e.g., Fendt x5 S/x5 Profi) for accurate troubleshooting. Hydraulic system issues can be intricate.
        
     
 
    
    
    
        
            Heritage Summary:
        
        
            Fendt, a brand of AGCO Corporation, has a long-standing reputation for innovation and high-quality agricultural machinery, particularly known for pioneering the Vario continuously variable transmission.
        
     
    
    
        
            Series Context:
        
        
            The 700 and 800 Vario series represent mid-to-high horsepower tractors within the Fendt lineup, offering advanced features for demanding agricultural applications. COM III models integrated more sophisticated engine management and emissions control systems.
        
     
    
    
        
            Production Period Approx:
        
        
            COM III models likely produced in the mid-to-late 2000s era, preceding Tier 4 / Stage IV compliance.