Segment:
Compact and utility tractors, catering to small to medium-sized farms, horticulture, and groundskeeping operations.
Key Competitors:
Competes with models from manufacturers like Massey Ferguson (e.g., 300 series), John Deere (e.g., 5 series compact), Landini (e.g., Rex series), and McCormick (e.g., MC/X series).
Drivetrain:
Available in 2WD and 4WD configurations, offering versatility for different terrain and tasks.
Transmission Options:
Typically features a synchronized shuttle transmission or powershift options for efficient operation.
Hydraulics Capacity:
Robust hydraulic system with significant lifting capacity for implements and independent PTO control.
Engine Reliability:
Known for durable SAME-designed engines, often featuring direct injection for fuel efficiency and power.
Engine:
Comprehensive engine overhaul, diagnostics, tuning, and component repair (e.g., cylinder head, pistons, crankshaft, lubrication system, cooling system, fuel injection system).
Transmission:
Detailed procedures for manual and powershift transmissions, including gear shifting mechanisms, clutch assembly, differential, and final drives.
Hydraulics:
In-depth coverage of the hydraulic system, including pump, control valve, cylinders, hoses, PTO (Power Take-Off) engagement, and three-point linkage operation and repair.
Electrical:
Complete electrical schematics, wiring diagrams, starter motor, alternator, battery system, lighting system, instrument panel, and auxiliary electrical components.
Braking System:
Service and repair of the hydraulic brake system, including master cylinder, brake lines, calipers/wheel cylinders, and parking brake.
Steering System:
Repair and adjustment of the mechanical and/or hydrostatic power steering system, including steering box, tie rods, and hydraulic components.
Chassis And Frame:
Inspection, repair, and maintenance of the tractor chassis, front axle, rear axle, and mounting points.
Bodywork And Cab:
Procedures for body panel repair, cab interior components, doors, windows, and heating/ventilation systems.
Pneumatic System:
If applicable, coverage of air brake systems or other pneumatic controls.
Pto And Hitch:
Detailed information on the operation, maintenance, and repair of the Power Take-Off (PTO) system and the rear hitch/linkage.
Routine Maintenance:
Oil changes, filter replacements, lubrication points, greasing schedules, and general inspection procedures.
Troubleshooting:
Diagnostic charts and step-by-step troubleshooting guides for common operational problems and fault finding.
Component Repair And Rebuild:
Detailed instructions for dismantling, repairing, reassembling, and adjusting major tractor components.
Engine Overhaul:
Complete guide for engine disassembly, inspection, component replacement (pistons, rings, bearings, valves), and reassembly.
Transmission Repair:
Procedures for clutch replacement, gearbox disassembly and repair, and hydraulic power shift unit maintenance.
Hydraulic System Repair:
Troubleshooting and repair of hydraulic leaks, pump failures, control valve issues, and cylinder seal replacement.
Electrical Diagnostics:
Guidance on using multimeters and diagnostic tools to identify and resolve electrical issues, including wiring harness repair.
Brake System Maintenance:
Bleeding procedures, brake pad/shoe replacement, caliper/cylinder seal renewal, and parking brake adjustment.
Steering System Repair:
Adjustments to steering play, replacement of steering components, and bleeding of hydrostatic steering systems.
Pto And Hitch Adjustment:
Setting PTO engagement, adjusting three-point linkage sensitivity and draft control.
Depth Of Coverage:
Comprehensive, covering everything from basic maintenance checks and adjustments to full engine and transmission rebuilds, including detailed component specifications and torque values.
Manufacturer:
SAME (SDF Group)
Engine Type:
Diesel, 4-cylinder, liquid-cooled, naturally aspirated or turbocharged (model dependent).
Displacement:
Typically in the range of 3.0 - 4.0 liters, depending on the specific model (e.g., 3.0L for 55-70hp, 4.0L for 70-85hp).
Horsepower Range:
Covers a range from approximately 55 HP to 85 HP across the Dorado series (55, 60, 65, 70, 75, 85).
Torque Specifications:
Specific torque figures vary by engine variant but generally offer strong pulling power suitable for their class.
Injection System:
Mechanical or electronic direct injection system.
Cooling Method:
Pressurized liquid cooling system.
Oil Capacity:
Refer to manual for specific capacities, typically around 8-10 liters for engines in this class.
Transmission Type:
Synchronized shuttle transmission (e.g., 12 Forward + 12 Reverse gears).
Transmission Options:
Optional powershift (Hi-Lo or similar) gears for increased operational flexibility.
Clutch Type:
Dual-clutch for PTO and main transmission engagement.
Gear Shifting:
Mechanical or synchromesh gear selection, with shuttle lever for forward/reverse direction changes.
Differential Lock:
Mechanical locking differential for front and/or rear axles for enhanced traction.
Transmission Oil:
Refer to manual for specific SAE viscosity grade and API classification (e.g., SAE 80W-90 GL-4 or API GL-4/GL-5 for gear oil, and tractor hydraulic fluid like UTTO/STOU for integrated hydraulic systems).
Engine Oil Change:
Typically every 250-500 operating hours, or annually, refer to specific manual chapter for exact interval and oil type.
Fuel Filter Replacement:
Recommended every 500 operating hours or as per manual instructions, often with a pre-filter.
Air Filter Service:
Inspect and clean or replace as needed, typically based on operating conditions, with recommended replacement every 1000 hours.
Hydraulic Oil Change:
Typically every 1000-1200 operating hours, depending on workload and oil quality.
Engine Oil:
Refer to manual for specific SAE viscosity grade (e.g., 15W-40) and API classification (e.g., API CI-4 or CJ-4 for modern specifications).
Coolant:
Ethylene glycol-based antifreeze/coolant mixture. Check manual for specific type and ratio.
Transmission Hydraulic Fluid:
Universal Tractor Transmission Oil (UTTO) or Super Tractor Oil Universal (STOU) meeting specific manufacturer approvals. Capacity varies, consult manual.
Common Wear Items:
Clutch wear, hydraulic cylinder seals, PTO splines, and front axle kingpins can be common wear items on high-hour tractors.
Electrical Connections:
Corrosion or loose connections in wiring harnesses, especially in humid or dusty environments, can lead to intermittent electrical faults.
Fuel System Maintenance:
Regular fuel filter changes are crucial to prevent injector issues, especially with lower quality diesel fuel.
