Target Audience:
Designed for owners and technicians of Fiat Trattori 640 and 640DT tractors, aiming to facilitate self-maintenance and repair.
Cost Effectiveness:
Provides an inexpensive way to maintain and repair the vehicle, reducing reliance on external service providers.
Detail Level:
Emphasizes hundreds of photos and illustrations to guide users through service and repair procedures, ensuring a high level of clarity and detail.
Engine Overhaul:
Detailed procedures for disassembly, inspection, repair, and reassembly of engine components.
Fuel System Diagnosis And Repair:
Includes fuel injection pump, injectors, fuel lines, filters, and tank.
Cooling System Maintenance:
Covers radiator, water pump, thermostat, hoses, and coolant specifications.
Electrical System Troubleshooting:
Diagrams and guidance for starter, alternator, battery, lighting, and wiring harnesses.
Chassis And Drivetrain:
Covers clutch, gearbox, differential, axles, steering, and braking systems.
Hydraulic System:
Details on hydraulic pump, lift system, remote valves, and cylinder repair (likely covered under 'Services Information' or 'Chassis').
Pto System:
Information pertaining to the Power Take-Off system operation and maintenance.
Routine Maintenance:
Oil changes, filter replacements, lubrication points, and pre-operation checks.
Component Rebuilds:
Step-by-step instructions for rebuilding major components.
Diagnostic Troubleshooting:
Guidance to identify and resolve common and uncommon issues.
Adjustment Procedures:
Settings for engine timing, clutch engagement, brake systems, etc.
Safety Precautions:
Essential safety guidelines to follow during maintenance and repair.
Restoration:
Information to support full restoration projects.
Rebuilding:
Procedures for rebuilding major assemblies.
Depth:
Comprehensive coverage suitable for both DIY enthusiasts and professional mechanics, detailing complete disassembly and reassembly procedures.
Illustrations:
Hundreds of photos and illustrations included.
Compatibility:
Compatible with all versions of Windows and Mac operating systems.
Printability:
Fully Printable. Users can print the entire manual or specific pages as needed.
Zoom Functionality:
Allows for zooming in and out of pages for better clarity of diagrams and text.
PDF Reader:
Requires Adobe PDF Reader.
Compression Utility:
Requires WinZIP or equivalent software for extraction if delivered in a compressed format.
Binding:
Digital PDF (printable, not a physical binding)
Paper Type:
N/A (Digital Document)
Engine Type:
Diesel engine (specific model not detailed in provided info, but typically Fiat's own multi-cylinder units).
Horsepower Range:
Fiat 640 models typically ranged from 50-65 HP, with the 640DT being a 4WD variant.
Torque Specifications:
Varies by specific engine variant within the 640 series, detailed in manual.
Injection System:
Likely rotary or inline injection pump system.
Cooling Method:
Water-cooled via radiator and fan.
Type:
Likely a synchronized or unsynchronized gearbox with multiple forward and reverse gears.
Drive Type:
DT designation indicates a 4-Wheel Drive (4WD) option, likely with a selectable front axle engagement.
Power Take Off:
Standard PTO (540/1000 RPM likely) is a common feature on this class of tractor.
Differential Lock:
Often equipped with a differential lock for improved traction.
Length:
Approx. 3.6 - 3.8 meters (varies by configuration).
Width:
Approx. 1.7 - 1.9 meters (varies by configuration).
Height:
Approx. 2.3 - 2.5 meters (to top of steering wheel/hood).
Operating Weight:
Approx. 2,000 - 2,500 kg (unladen).
Tow Capacity:
Significant towing capacity, detailed in manual for specific configurations.
Front Tire Size:
Commonly 7.50-16 or similar.
Rear Tire Size:
Commonly 13.6-28, 14.9-28, or similar.
Rollover Protection:
ROPS (Roll Over Protective Structure) availability may vary by original configuration and market; manual likely details installation and inspection.
Braking System:
Typically rear-wheel mechanical drum brakes, with independent parking brake.
Seatbelt Installation:
May require aftermarket installation; manual likely details attachment points if applicable.
Engine Oil Change:
Typically every 250-500 operating hours, depending on operating conditions. Consult manual for exact interval and oil type.
Air Filter Service:
Regular inspection and cleaning/replacement based on operating environment (dusty conditions require more frequent service).
Fuel Filter Replacement:
Recommended at scheduled intervals or if fuel system issues arise.
Engine Oil:
Typically API CD or CE rated diesel engine oil, SAE 15W-40 or 10W-30 depending on climate. Specific viscosity and capacity detailed in manual.
Hydraulic Fluid:
Universal Tractor Transmission Oil (UTTO) or similar, meeting specific Fiat specifications. Capacity typically around 30-40 liters.
Coolant:
Ethylene glycol based antifreeze mixed with water (50/50 ratio), meeting specified corrosion protection standards.
Common Wear Items:
Clutch wear, hydraulic seal leaks, electrical connections corrosion, and PTO clutch engagement issues can occur with age and usage.
Engine Performance:
Potential for injector pump calibration drift or injector clogging leading to poor starting or power loss.
Manufacturer:
Fiat Trattori (now part of CNH Industrial, formerly Case New Holland).
Production Period:
The Fiat 640 series was produced primarily in the 1970s and 1980s, succeeding earlier models like the 650.
Manufacturing Location:
Primarily manufactured in Italy.
