Fiat Tractor 466 566 666 766 45-66 55-66. 60-66 65.66 70-66 80-66 DT Workshop Service Repair Manual

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🏷️ Basic Information Identification Make: Fiat Product Type: Workshop Service Repair Manual 👋 Introduction Market Position Target Audience: Do-it-yourselfers and experienced mechanics Key Features Illustrations: Hundreds of detailed illustrations and...

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Type: Tractor

Vendor:

Sku: 66676

Tags: 45-66 466 466 566 666 766 55-66 566 60-66 65-66 666 70-66 766 80-66 Agriculture DT Fiat Tractor Tractors

Product variants

Description

🏷️ Basic Information

Identification

Make:

Product Type:

Workshop Service Repair Manual

👋 Introduction

Market Position

Target Audience:

Do-it-yourselfers and experienced mechanics

Key Features

Illustrations:

Hundreds of detailed illustrations and photos

Completeness:

100% complete and intact

Value Proposition

Cost Savings:

Inexpensive way to keep your vehicle working properly

Competitive Analysis

Market Segment:

Utility tractors, competing with brands like Massey Ferguson, John Deere, Ford/New Holland, and Same.

📋 Manual Details

Coverage Areas

Models Covered:

Fiat Tractor 466, 566, 666, 766, 45-66, 55-66, 60-66, 65-66, 70-66, 80-66 DT

Manual Type

Type:

Factory Service Repair Manual

Language

Language:

English

Format

File Format:

Page Count

Estimated Pages:

Likely several hundred pages, typical for a comprehensive factory manual.

📖 Manual Coverage

Systems Covered

Engine:

Complete engine overhaul, diagnostics, and repair

Power Train:

Transmission, clutch, driveshafts, and differential

Final Drive Rear Wheels:

Axles, hubs, brakes, and wheel mounting

Front Axle Steering:

Front axle components, steering system, and geometry

Electrical System:

Wiring diagrams, starter, alternator, lighting, instrumentation

Hydraulic Lift Unit:

Hydraulic pump, cylinders, control valves, and auxiliary hydraulics

General Information:

Safety warnings, general operating procedures, vehicle identification

Specifications:

Torque values, clearances, fluid capacities, dimensions

Power Take Off Pto:

PTO drive, engagement, and maintenance.

Chassis And Body:

Frame, fenders, cab (if equipped), drawbar

Procedures Included

General Maintenance:

Lubrication, fluid changes, filter replacements, and inspections

Engine Repair:

Engine disassembly, assembly, component testing, and rebuilding

Transmission Repair:

Clutch replacement, gearshift mechanism repair, and power take-off (PTO) maintenance

Brake System Repair:

Brake adjustment, component replacement, and bleeding procedures

Steering System Repair:

Steering linkage adjustment, power steering service, and wheel alignment

Hydraulic System Repair:

Hydraulic pump testing, cylinder resealing, and control valve calibration

Service Tools:

Identification of special tools required for specific repair procedures

Technical Depth

Depth:

Detailed step-by-step instructions for complete disassembly and reassembly

Diagnostic Support:

Troubleshooting guides and diagnostic flowcharts for common issues

📊 Manual Specifications

File Format

Quality:

High-resolution, printable pages

Searchability:

Likely searchable text content (depending on PDF creation)

Bookmarking:

Bookmarked for easy navigation

Print Quality

Print Capability:

Fully printable

Compatibility

Operating Systems:

Compatible with all PC based Windows operating systems and Mac.

⚙️ Engine Specifications

Primary Engine

Engine Family:

Fiat 90 Series (typically 4-cylinder diesel)

Performance

Displacement Range:

Likely 3.4L to 4.5L (specific to model variants like 466, 566, etc.)

Horsepower Range:

Estimated 45-80 HP (depending on model designation)

Fuel System

Injection Type:

Direct Injection (likely mechanical injection pump)

Cooling System

Type:

Liquid-cooled

Engine Family

Engine Codes:

Likely 8000 series engines (e.g., 8035, 8045, 8055) - confirmation needed from specific model.

🔧 Transmission

Standard

Gearbox Type:

Synchromesh gearbox (likely 8 or 12 speeds forward, 4 reverse)

Optional

Powershift Options:

Some models may have featured optional powershift or creeper gears

Features

Pto Options:

Standard and Ground Speed PTO options likely available

Clutch Type:

Dual-stage dry clutch

📐 Dimensions

Weights

Operating Weight Range:

Approx. 2000-3000 kg (depending on configuration)

Front Axle Load:

Specific data would be in the manual

Rear Axle Load:

Specific data would be in the manual

Exterior

Wheelbase:

Varies by model, typical range 2000-2200 mm

Tire Sizes:

Front: typically 7.50-16 or 9.5-24; Rear: typically 13.6-28 or 16.9-30 (varies by model and configuration).

🛡️ Safety Features

Active Features

Braking System:

Drum or Disc brakes (model dependent), typically rear-wheel mechanical actuation

Passive Features

Rollover Protection:

ROPS (Roll Over Protection Structure) may be standard or optional depending on region and year

💡 Technology Features

Infotainment

Features:

Basic instrumentation: Tachometer, temperature gauge, oil pressure light, fuel gauge.

Driver Assistance

Features:

None beyond standard tractor controls.

🔧 Maintenance

Service Intervals

Engine Oil Change:

Typically every 250-500 hours (manual will specify exact interval and oil type)

Air Filter Cleaning:

As needed, depending on operating environment (manual provides guidance)

Transmission Fluid Change:

Typically every 1000-1200 hours (manual will specify)

Fluid Specifications

Engine Oil Grade:

Likely SAE 15W-40 or 20W-50 API CG-4 or higher (manual confirmation required)

Hydraulic Fluid Type:

Universal Tractor Transmission Oil (UTTO) or similar (manual will specify)

Coolant Type:

Ethylene glycol based antifreeze/coolant (50/50 mix with water)

Known Issues

Common Wear Items:

Clutch wear, hydraulic seal leaks, front axle kingpin wear

Electrical Gremlins:

Wiring harness degradation over time, starter/alternator issues

📚 Vehicle History

Brand Heritage

Manufacturer:

Fiat Trattori (later part of CNH Industrial)

Model Evolution

Series Introduction:

These models likely belong to Fiat's mid-range utility tractor lines from the late 1980s to the 1990s.

Production

Manufacturing Location:

Primarily Italy