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.
