Historical Role:
A robust and reliable workhorse tractor in its class, popular for general farming and utility tasks.
Competitors:
Likely competed with models from manufacturers such as John Deere, Massey Ferguson, and Ford during its production era.
Operator Comfort:
While basic by modern standards, featured a functional operator's station for its time.
Versatility:
Designed for a wide range of agricultural implements and tasks.
Primary Coverage:
Comprehensive repair, service, and maintenance
Target Audience:
Professional technicians and advanced DIY mechanics
Estimated Page Count:
Hundreds of pages (typical for comprehensive workshop manuals)
Manual Type:
Workshop Service Manual / Repair Manual
Delivery Method:
Instant Download
Engine:
Complete overhaul, diagnosis, fuel system, lubrication, cooling system
Transmission:
Gearbox, clutch, differential, PTO, hydraulic lift system
Drivetrain:
Front axle, rear axle, driveshafts, steering system
Electrical:
Wiring diagrams, starter, alternator, lighting, instrumentation
Hydraulics:
Hydraulic pump, cylinders, control valves, hydraulic circuits
Brakes:
Service brakes, parking brake, hydraulic and mechanical components
Chassis And Body:
Frame, fenders, operator station, control linkages
Maintenance:
Periodic maintenance charts, lubrication schedules, filter replacement
Repair:
Step-by-step repair instructions for all major components
Troubleshooting:
Diagnostic procedures, fault finding guides, common issues
Overhaul:
Complete engine and component overhaul procedures
Diagnostics:
Testing procedures for various systems
Depth Of Information:
Factory-level detail suitable for professional mechanics and advanced DIY users
Diagrams And Illustrations:
Hundreds of diagrams, illustrations, and exploded views
Engine Manufacturer:
Fiat
Engine Configuration:
Likely a 3 or 4-cylinder naturally aspirated diesel engine
Horsepower Range:
Estimated 60-70 HP range (specific figures require consulting engine codes)
Torque Characteristics:
Designed for strong low-end torque for pulling heavy loads.
Fuel Injection:
Direct injection, typically with rotary or inline injection pumps
Cooling Method:
Liquid-cooled (water pump, radiator, thermostat)
Transmission Type:
Manual Synchromesh gearbox
Gear Selection:
Likely a 8-speed forward, 2-speed reverse (or similar configuration) with high/low range
Power Take Off Pto:
Standard PTO (e.g., 540/1000 RPM) likely available
Clutch Type:
Dry single or dual-stage clutch
Differential Lock:
Rear differential lock typically standard
Wheelbase:
Specific dimensions vary, but typical for a tractor of this class (e.g., ~2100-2300 mm)
Overall Length:
Specific dimensions vary, but typical for a tractor of this class (e.g., ~3500-4000 mm without implements)
Operating Weight:
Estimated 2500-3000 kg (without ballast)
Front Axle Load:
Designed to accommodate front ballast for traction
Rear Axle Load:
Designed to carry significant weight for traction and stability
Engine Oil Change:
Typically every 250-500 operating hours (refer to manual for exact interval and oil type).
Air Filter Cleaning Replacement:
Check and clean frequently, replace as needed (depends heavily on operating conditions).
Transmission Oil Change:
Typically every 1000-1200 operating hours.
Engine Oil:
API CD or CE rated diesel engine oil, SAE 15W-40 or 10W-30 (verify specific viscosity for ambient temperatures).
Hydraulic Fluid:
Universal Tractor Transmission Oil (UTTO) or specific Fiat hydraulic fluid meeting manufacturer specifications.
Coolant:
Ethylene glycol based antifreeze mixture with corrosion inhibitors, typically a 50/50 mix with distilled water.
Common Wear Items:
Clutch wear, hydraulic pump seals, injector pump calibration, starter motor issues, exhaust manifold leaks.
Electrical System:
Wiring harness integrity, grounding points, alternator output.
Cooling System:
Radiator blockage, thermostat failure, water pump leaks.
Fiat Agri Legacy:
Fiat Trattori has a long and significant history in agricultural machinery, known for engineering robust and reliable tractors.
Model Placement:
The 680 was part of Fiat's successful range of medium-horsepower tractors, offering a balance of power and economy.
Manufacturing Locations:
Primarily manufactured in Italy and potentially other Fiat manufacturing facilities.