Target User:
Agricultural professionals, farm owners, mechanics, and DIY tractor enthusiasts.
Value Proposition:
Provides comprehensive, actionable information to maintain, diagnose, and repair Same Dorado tractors, reducing reliance on costly dealership services.
Comparison Points:
Offers detailed technical specifications and repair procedures that may surpass basic owner's manuals and are crucial for in-depth mechanical work.
Content Scope:
Covers a wide range of models within the Dorado series, ensuring broad applicability.
Diagnostic Focus:
Emphasizes troubleshooting and problem-solving for efficient repair.
Engine:
Comprehensive engine overhaul, diagnostics, and repair for all specified Dorado models.
Transmission:
Detailed procedures for transmission removal, repair, adjustment, and troubleshooting.
Hydraulic System:
In-depth coverage of the hydraulic pump, cylinders, valves, filters, and associated components.
Electrical System:
Wiring diagrams, component testing, diagnostics, and repair for all electrical circuits.
Powertrain:
Includes driveline, differential, PTO (Power Take-Off) operation and repair.
Braking System:
Maintenance, repair, and adjustment of the braking system, including parking brake.
Steering System:
Service and repair for the steering column, linkage, and power steering components.
Cooling System:
Radiator, thermostat, water pump, and fan system maintenance and repair.
Fuel System:
Fuel tank, lines, filters, injection pump, and injector servicing.
Exhaust System:
Inspection and repair of exhaust manifolds, pipes, and mufflers.
Chassis And Frame:
Frame inspection, bodywork repair, and mounting of components.
Operator Station:
Repair and maintenance of controls, seating, and dashboard components.
Routine Maintenance:
Detailed step-by-step instructions for all scheduled maintenance tasks.
Troubleshooting:
Diagnostic charts and procedures for identifying and resolving common and uncommon issues.
Component Overhaul:
Complete rebuild procedures for major components like the engine, transmission, and hydraulics.
Adjustment Procedures:
Precise instructions for adjusting clutch, brakes, PTO engagement, and other critical systems.
Disassembly And Assembly:
Clear, illustrated guides for taking apart and reassembling all tractor systems.
Specifications And Torques:
Essential torque values, clearances, and dimensional specifications for all components.
Depth Level:
Comprehensive, covering everything from basic fluid checks to complete engine and transmission rebuilds.
Diagnostic Capabilities:
Advanced diagnostic procedures for identifying root causes of operational failures.
Special Tools:
Identification and usage instructions for any specialized tools required for repairs.
Engine Family:
Same SDF Engines (likely Tier II or similar emissions standard for the era).
Engine Displacement:
Varies by specific model (e.g., 3.0L for 3-cylinder, 4.0L for 4-cylinder variants are common in this series).
Horsepower Range:
Approximately 55 HP to 85 HP across the Dorado series (55, 60, 65, 70, 75, 85).
Torque Characteristics:
Detailed torque curves and operating ranges available in the manual, crucial for PTO and draft work.
Injection Type:
Mechanical or Electronic Fuel Injection (likely mechanical for earlier models in this range, possibly electronic for later ones).
Fuel Filter Part Numbers:
Specific part numbers for fuel filters will be detailed in the manual (e.g., Hiflofiltro, Mann Filter equivalents).
Transmission Type:
Synchromesh manual transmission with multiple speed ranges (e.g., 12F/12R, 24F/24R with creeper gears).
Optional Features:
Some models may offer powershift or shuttle-shift options. PTO options will also be detailed.
Pto Options:
Multiple PTO speeds (e.g., 540, 540E, 1000 RPM) and ground speed PTO.
Transmission Fluid Spec:
Specific SAE viscosity grade and API classification for transmission/hydraulic fluid (e.g., SAE 80W/85W, or specialized UTTO/STOU fluids).
Clutch Type:
Typically dry single or double-plate clutch.
Wheelbase:
Varies by model, typically between 2000-2300 mm.
Overall Length:
Varies by model, typically between 3800-4200 mm.
Overall Width:
Varies by model, typically between 1700-2000 mm.
Ground Clearance:
Typically 350-450 mm depending on tire size and configuration.
Operating Weight:
Approximately 2200-2800 kg, depending on configuration and ballast.
Front Axle Load:
Specifications for front axle load limits will be in the manual for proper ballast calculation.
Rear Axle Load:
Specifications for rear axle load limits will be in the manual.
Dashboard Features:
Basic instrumentation including tachometer, engine temperature gauge, fuel gauge, and warning lights. Manual covers dashboard component diagnostics.
Operator Aid:
Features like draft control for the 3-point hitch, power steering, and PTO engagement mechanisms are central to operation and covered in detail.
Diagnostic Ports:
While advanced OBD-II is unlikely, diagnostic points and procedures for sensors and actuators will be detailed.
Engine Oil Change:
Typically every 250-500 operating hours, or annually. Specific interval detailed in manual.
Fuel Filter Replacement:
Recommended replacement every 500 operating hours or as needed based on fuel quality.
Hydraulic Oil Change:
Typically every 1000-1500 operating hours. Manual will specify exact interval and filter change.
Air Filter Service:
Service based on operating conditions, daily checks recommended, replacement typically around 500-1000 hours.
Engine Oil Type:
Diesel engine oil, SAE 15W-40 API CI-4 or equivalent, is a common specification. Manual will provide precise grade and specification.
Coolant Type:
Ethylene glycol-based coolant with anti-corrosion additives, typically a 50/50 mix with distilled water.
Transmission Hydraulic Fluid:
Specialized UTTO (Universal Tractor Transmission Oil) or STOU (Super Tractor Oil Universal) meeting specific SDF specifications.
Common Wear Items:
Clutch wear, hydraulic pump wear, PTO spline wear, and front axle pivot wear are common in heavy-use tractors of this era. Manual offers repair procedures.
Electrical Gremlins:
Corrosion on electrical connectors and wiring fatigue can lead to intermittent issues, thoroughly covered in electrical system diagnostics.
Manufacturer Origin:
Same (Società Accomandita per Azioni Esercizio Fabbrica Macchine Agricole) is an Italian agricultural machinery manufacturer, founded in 1927. Part of the SDF Group.
Dorado Series Introduction:
The Dorado series represents Same's line of versatile utility tractors, designed for a range of agricultural tasks. These models often succeeded earlier Same tractor series and have been updated over time.
Production Period:
The specific models (55-85) likely span production years from the mid-1990s into the early-to-mid 2000s, aligning with the description's mention of potentially comparable Polaris models from '98-'99, although this manual is for Same tractors.
Manufacturing Location:
Primarily manufactured in Italy by Same/SDF Group.
