Segment:
Utility Tractor Segment
Target User:
Farm owners, agricultural businesses, mechanics specializing in agricultural machinery.
Competitors:
Simultaneously competing with other manufacturers offering tractors in the 45-80 HP range during its production era (e.g., Massey Ferguson, John Deere, Ford, International Harvester).
Versatility:
Designed for a wide range of agricultural tasks, from plowing and tilling to mowing and material handling.
Durability:
Reputation for robust construction and reliability in demanding field conditions.
Four Wheel Drive:
DT models offer enhanced traction and performance, particularly in challenging terrain or heavy draft operations.
User Friendliness:
Known for straightforward operation and maintenance, making them accessible for a broad range of users.
Primary Coverage:
Complete Service and Repair Procedures
Scope:
All Models/Engines/Trim/Transmission Types within the specified series
Estimated Page Count:
Varies by specific model and engine, but comprehensive (typically 500+ pages for a full workshop manual)
Type:
Workshop Service Repair Manual
Language:
English (assumed based on product description, typically service manuals are multilingual or English focused)
Engine:
Engine Overhaul, Reassembly, Cylinder Head, Crankshaft, Pistons, Connecting Rods, Valve Train, Cooling System, Lubrication System, Fuel System, Injection Pump Timing, Turbocharger (if applicable)
Transmission:
Gearbox Overhaul, Clutch Replacement, PTO (Power Take-Off) System, Differential, Final Drives, Hydraulic Lift System
Electrical System:
Wiring Diagrams, Starter Motor, Alternator, Battery System, Lighting, Ignition System (if applicable), Gauges and Instruments
Hydraulic System:
Hydraulic Pump, Control Valves, Cylinders, Hydraulic Fluid Types and Capacities, Troubleshooting of Hydraulic Issues
Braking System:
Brake Actuation, Drum Brakes/Disc Brakes (depending on model specifics), Parking Brake, Brake Fluid Specifications
Steering System:
Mechanical Steering, Power Steering System (if equipped), Steering Linkages, Wheel Alignment
Front Axle:
DT Four-Wheel Drive Axle Service, Hubs, Steering Knuckles
Rear Axle:
Rear Axle Housing, Differential, Final Drives
Operator Station:
Cab/Platform Service, Controls, Seat, Instrumentation
Bodywork:
Fenders, Hood, Chassis Components, Hitches
General Maintenance:
Lubrication Schedules, Filter Changes, Fluid Level Checks, Greasing Points
Engine Repair:
Complete Engine Rebuild, Component Replacement, Troubleshooting Engine Performance Issues
Transmission Repair:
Gearbox Disassembly and Reassembly, Clutch Adjustment and Replacement, PTO Clutch Service
Hydraulic Repair:
Hydraulic Pump Repair, Control Valve Overhaul, Cylinder Seal Replacement, Troubleshooting Hydraulic System Failures
Electrical Diagnostics:
Fault Finding using Wiring Diagrams, Component Testing and Replacement
Troubleshooting:
Step-by-step diagnostic procedures for common and uncommon problems across all systems
Disassembly Reassembly:
Detailed, illustrated procedures for stripping down and rebuilding all major components
Torque Specifications:
Precise torque values for all critical fasteners
Depth:
Comprehensive from basic maintenance to complete engine and transmission overhauls, including advanced diagnostics and troubleshooting.
Manufacturer:
Fiat (or licensed derivative, often based on Italian engineering standards)
Engine Type:
Naturally Aspirated Diesel, Indirect Injection (common for the era)
Cylinder Count:
Typically 3-cylinder or 4-cylinder depending on the specific model number (e.g., 480, 580).
Displacement Range:
Approximately 2.5 to 4.0 Liters (2500cc to 4000cc) depending on model.
Horsepower Range:
Approx. 45-80 HP (PTO Horsepower, Net Horsepower varies slightly by specific model and rating method).
Torque Range:
Typically 150-250 Nm (Newton-meters) depending on engine size.
Injection System:
Bosch or similar inline injection pump, mechanical governor.
Cooling Method:
Liquid-Cooled (Water/Glycol mixture)
Oil Capacity:
Typically 7-10 Liters (refer to manual for exact amount).
Transmission Type:
Manual Synchromesh Gearbox
Gear Selection:
Multiple forward gears (e.g., 8 or 12 speeds) and typically 2-4 reverse gears. Often includes a creeper gear option.
Power Take Off Pto:
Standard PTO (e.g., 540 RPM or 1000 RPM), often with a 2-speed option. Can also be ground-speed PTO.
Hydraulic Lift:
Mechanical or hydraulic draft control system (e.g., Cat II 3-point linkage).
Clutch:
Dual-stage clutch (for independent PTO engagement) or single-stage clutch.
Differential Lock:
Rear differential lock, foot-pedal operated.
Rollover Protection:
Optional ROPS (Roll-Over Protective Structure) may be available or mandatory depending on regional regulations and specific tractor configuration.
Seatbelt:
Seatbelt for ROPS-equipped tractors is standard.
Lighting:
Standard headlights, tail lights, and turn signals (depending on market specification).
Warning Lights:
Optional beacon or strobe light provision.
Operator Station Design:
Designed for ergonomic access and control visibility.
Engine Oil Change:
Typically every 250-500 operating hours, or annually. Refer to manual for exact interval.
Oil Filter Replacement:
Replace with every engine oil change.
Air Filter Maintenance:
Check and clean/replace every 50-100 operating hours, or more frequently in dusty conditions.
Fuel Filter Replacement:
Replace every 500-1000 operating hours or as recommended.
Engine Oil:
API CD or higher, SAE 15W-40 or SAE 10W-30 (seasonal). Refer to manual for specific viscosity and API rating.
Hydraulic Fluid:
Universal Tractor Transmission Oil (UTTO) or ISO VG 46 Hydraulic Oil. Refer to manual for exact specification and viscosity grade.
Coolant:
Ethylene glycol-based antifreeze mixture, typically 50/50 with distilled water. Protects to -37°C (-35°F).
Common Wear Points:
Wear on PTO clutch, hydraulic pump seals, and front axle kingpins/bushes. Potential for injector pump wear over time.
Electrical Reliability:
Wiring harness chafing or corrosion can sometimes lead to intermittent electrical faults, especially on older units.
