Target Audience:
Farmers and contractors needing a versatile utility tractor
Competitive Advantage:
Reliable and fuel-efficient diesel engine, robust build, easy maintenance
Engine:
3.9L 4-cylinder diesel with direct injection
Transmission:
8F/4R or 12F/4R with synchromesh
Hydraulics:
Position and draft control with up to 4,200 kg lift capacity
PTO:
Independent 540 rpm (optional 1000 rpm)
Models Covered:
Fiat 55-66, including 2WD and 4WD versions
Areas Covered:
Complete tear-down and rebuild, electrical, hydraulic, engine, transmission
Page Count:
Approximately 580 pages
Manual Type:
Workshop Service Repair Manual
Delivery Method:
Instant download
Engine:
Complete engine overhaul, fuel system, cooling, lubrication
Transmission:
Gearbox, clutch, differential, final drives
Hydraulics:
Hydraulic pump, lift cylinder, draft control linkage
Electrical:
Wiring diagrams, starter, alternator, lighting, switches
Steering:
Mechanical and power steering, front axle
Brakes:
Drum and disc brakes, handbrake
PTO:
Power take-off shaft and drive components
Chassis:
Frame, front axle, rear axle, wheels and tires
Cab and Controls:
Cab structure, controls, instrumentation, operator station
Service:
Routine service, adjustment, and inspection procedures
Disassembly:
Component removal and disassembly with step-by-step instructions
Inspection:
Inspection and measurement specifications with tolerances
Reassembly:
Reassembly and installation instructions with torque values
Testing:
Functional tests and troubleshooting guides
Level:
Comprehensive; suitable for experienced mechanics and DIY enthusiasts
Part Numbers:
Includes factory part numbers for many components
Exploded Views:
Exploded diagrams for major assemblies
Compatibility:
All devices supporting PDF readers (Windows, Mac, Linux, mobile)
Requirements:
No specific software required beyond a PDF reader
Searchability:
Searchable text for quick lookup of keywords
Resolution:
High-resolution images and diagrams
Binding Type:
Digital (no physical binding)
Paper Type:
N/A - digital download
Type:
8-speed synchronized
Gears:
8 forward and 4 reverse
Type:
16-speed synchronized with creeper option
Gears:
16 forward and 8 reverse
Shifting:
Synchromesh on all forward gears
Rear PTO:
Independent 540 rpm (opt. 1000 rpm)
Differential Lock:
Mechanical, engages on demand
Ratings:
N/A - not rated as vehicle (farm tractor)
Brakes:
Hydraulic disc brakes on rear wheels
Steering:
Optional power steering for improved control
Rollover Protection:
ROPS (rollover protective structure) factory option
Seat Belt:
Available as part of ROPS package
Engine Oil:
Every 100 hours
Hydraulic Fluid:
Every 600 hours
Engine Oil:
SAE 15W-40 (API CD/CE)
Hydraulic Fluid:
UTF (Universal Tractor Fluid)
Transmission Oil:
SAE 80W-90 (API GL-4)
Coolant:
Ethylene glycol based with rust inhibitors
Common Wear Items:
Injector nozzles, water pump, hydraulic seals
Troublesome Areas:
Draft control linkages may require adjustment
