Target Audience:
Do-it-yourselfers and experienced mechanics seeking to maintain or repair their Fiat Trattori 55-90.
Value Proposition:
An inexpensive and comprehensive source of information to keep the vehicle in proper working condition.
Instructional Clarity:
Numbered instructions, detailed substeps, notes, cautions, and warnings for clarity.
Visual Aids:
Detailed illustrations, diagrams, and photos to guide repair procedures.
Navigability:
Numbered table of contents for quick information retrieval.
Primary Coverage:
Comprehensive service, repair, and maintenance for the Fiat Trattori 55-90.
Estimated Page Count:
Extensive (Specific count not provided, but implied to be comprehensive).
Manual Format:
Workshop Service Repair Manual / Factory Service Repair Manual
Engine Mechanical:
Yes, detailed coverage of engine mechanical components and systems.
Engine Electrical:
Yes, including wiring schematics and electrical system diagnostics.
Emission Control:
Yes, coverage of emission control systems.
Fuel System:
Yes, comprehensive details on the fuel system.
Suspension System:
Yes, detailing the tractor's suspension.
Clutch System:
Yes, including repair and adjustment procedures.
Transmission Manual:
Yes, covering manual transaxle systems.
Transmission Automatic:
Yes, coverage of automatic transaxle systems (if applicable to the 55-90 model).
Driveshaft Axle:
Yes, detailing driveshaft and axle components.
Steering System:
Yes, with repair and adjustment information.
Brake System:
Yes, including brake system diagnostics and repair.
Body Interior Exterior:
Yes, covering both interior and exterior bodywork.
Body Electrical:
Yes, specifically addressing the body's electrical systems.
Restraint Systems:
Yes, covering any relevant restraint systems.
Routine Maintenance:
Yes, step-by-step instructions for routine maintenance tasks.
Troubleshooting:
Yes, combined with detailed wiring diagrams for electrical troubleshooting.
Repair Procedures:
Yes, detailed step-by-step repair procedures with substeps.
Diagnostics:
Yes, enabling diagnosis and repair of problems.
Depth Level:
Comprehensive, covering from basic maintenance to detailed repair and diagnostics for both mechanical and electrical systems.
Engine Type:
Diesel (Likely naturally aspirated or turbocharged, specific details TBD by manual content).
Horsepower:
Around 55 HP (based on model designation '55-90'). Specific figures to be confirmed by manual.
Torque:
Details to be provided within the manual.
Injection System:
Details to be provided within the manual (likely mechanical injection).
Transmission Type Standard:
Likely a manual gearbox with multiple speeds (e.g., 8 forward, 4 reverse or similar configurations).
Transmission Type Optional:
Potentially a creeper gear or power shuttle, depending on specific configuration. Coverage of Automatic Transaxle System suggests possible options.
Gear Selection:
Details on gear shifting mechanisms and procedures within the manual.
Overall Length:
Specific dimensions not provided, but typical for a tractor of this class.
Overall Width:
Specific dimensions not provided, but typical for a tractor of this class.
Wheelbase:
Specific dimensions not provided, but typical for a tractor of this class.
Operating Weight:
Details to be found within the manual.
Towing Capacity:
Details to be found within the manual.
Safety Certification:
Details regarding any specific safety certifications or standards met to be found in the manual.
Braking System Description:
Detailed explanation of the brake system's operation and maintenance.
Rollover Protection:
Information regarding ROPS (Roll-Over Protective Structure) if equipped and its maintenance.
Infotainment System:
Basic for its era; primarily functional with instrument cluster for engine monitoring.
Operator Controls:
Detailed explanation of all controls, levers, and dashboard indicators.
Electrical System Architecture:
Standard 12V electrical system with components like starter, alternator/generator, battery, and lighting. Wiring diagrams are a key feature of the manual.
Engine Oil Change Interval:
Specific interval (e.g., every 250 hours or annually) to be detailed in the manual.
Transmission Oil Change Interval:
Specific interval to be detailed in the manual.
Engine Oil Type:
Typically a high-quality diesel engine oil, e.g., API CD/CE or similar. Specific grade (e.g., 15W-40) and capacity to be confirmed by manual.
Transmission Hydraulic Fluid:
Specific type and viscosity (e.g., UTTO or UTF) and capacity to be confirmed by manual.
Coolant Type:
Ethylene glycol-based antifreeze with appropriate corrosion inhibitors. Specific mixture ratio and capacity to be confirmed by manual.
Common Wear Items:
Clutch wear, hydraulic system leaks, and certain electrical component failures can be common on older tractors; the manual will detail inspection and replacement.
Engine Performance Issues:
Potential issues like hard starting, loss of power, or smoking, with diagnostic procedures covered.
Fiat Trattori Legacy:
Fiat Trattori has a long and rich history in agricultural machinery manufacturing, known for robust and reliable tractors.
55-90 Series Placement:
The 55-90 likely belongs to a series of tractors offering around 55 horsepower, part of Fiat's extensive agricultural product line.
Production Period:
Specific production years are not provided, but typically tractors of this designation were produced from the late 1980s through the 1990s or early 2000s.
