Market Segment:
Utility Tractor
Application:
Designed for small to medium-sized farms, horticultural tasks, and general utility work.
Key Competitors:
Massey Ferguson, John Deere, Ford, International Harvester (IH) tractors of similar horsepower and era.
Key Features Tractor:
Robust build, versatile for farm operations, available in 2WD and 4WD configurations, often featuring a powershuttle or reverser transmission.
Key Features Manual:
Comprehensive operator guidance, safety emphasis, structured maintenance schedule, essential technical data for owners.
Manual Scope:
Operation and maintenance of New Holland Fiat 45-66 and 45-66DT tractors.
Manual Type:
Operator's Manual / Owner's Manual
Accessibility:
Instant Download, No Waiting
Searchability:
PDF format generally allows for text searching, enhancing usability.
Device Compatibility:
All Versions of Windows, Mac, iOS, BB, Android, etc.
Viewing Options:
Viewable on any computer, zoomable, printable.
Systems Covered:
Safety Precautions, Controls and Instruments, Operation Procedures, Maintenance, Electrical System, Specifications.
Procedures Included:
Operating the tractor, routine maintenance, troubleshooting, understanding controls and instruments, running-in procedures.
Technical Depth:
Covers essential operator knowledge for safe and effective use and basic maintenance, including a brief troubleshooting section and specifications.
Diagnostic Coverage:
Brief troubleshooting section provides guidance on common problems, but it is an operator's manual, not a full workshop manual for in-depth diagnostics or repair.
Specific Sections:
Panelling and Cab Maintenance, Identification Data, Maintenance Schedule, Wiring Diagram.
Identification Data:
Provides VIN and serial number locations for accurate identification and record-keeping.
Electrical System Coverage:
Includes a wiring diagram for troubleshooting and understanding the tractor's electrical circuits.
Panelling Cab Maintenance:
Details on maintaining the tractor's panels and cab for longevity and operator comfort.
Engine Manufacturer:
Fiat (or licensed variant)
Engine Horsepower:
Approximately 45 PTO horsepower (exact rating would be in the manual's spec section)
Engine Torque:
Specific torque figures would be provided in the manual, crucial for understanding pulling power.
Fuel System:
Indirect injection (typical for this era and type)
Cooling System:
Water-cooled
Engine Displacement:
Typically in the range of 2.5 to 3.0 liters for a 45 HP tractor of this era.
Transmission Type:
Manual transmission with options for reverser.
Transmission Gears:
20-speed version mentioned, suggesting a multi-gear setup with potential creeper gears or a split gear system.
Reverser Transmission:
Available 'Reverser Version' facilitates easier directional changes, crucial for loader work and field operations.
Four Wheel Drive:
DT models are equipped with Four Wheel Drive (4WD) for enhanced traction.
Differential Lock:
No-Spin differential mentioned for DT-Tractor, improving traction in challenging conditions.
Gear Ratios:
Specific gear ratios are detailed within the manual's specification section, crucial for understanding operational speeds and torque application.
Tractor Configuration:
Standard agricultural tractor layout, available in 2WD and 4WD.
Wheelbase:
Specific wheelbase dimensions would be in the manual, affecting turning radius and stability.
Operating Weight:
Varies by configuration, typically between 1800-2300 kg (approximate, specific weight in manual).
Tare Weight:
Weight without operator or implements, crucial for transport regulations.
Gvw:
Gross Vehicle Weight, indicating maximum allowable operating weight.
Safety Focus:
The manual includes a dedicated section for safety precautions, highlighting the importance of safe operation.
Active Safety:
Proper operation of controls, understanding of tractor capabilities, adherence to maintenance schedule.
Passive Safety:
ROPS (Roll-Over Protective Structure) likely standard or optional on these models, seat belts, well-designed operator controls.
Maintenance Schedule:
The manual includes a dedicated maintenance schedule, outlining recommended service intervals for various components and fluids.
Filter Replacement Intervals:
Engine oil filter, fuel filter, and hydraulic filters have specific replacement intervals detailed in the schedule.
Engine Oil Specification:
Likely API CD/CE or higher viscosity grade oils (e.g., 15W-40). Exact specification will be in the manual.
Hydraulic Fluid Specification:
Typically universal tractor transmission oil (UTTO) or a specific Fiat/New Holland hydraulic fluid. Capacity and type will be detailed.
Coolant Specification:
Ethylene glycol-based antifreeze with corrosion inhibitors, typically a 50/50 mix with water.
Transmission Fluid Specification:
Specific to the transmission type, likely a heavy-duty gear oil or UTTO for synchronized transmissions and powershuttles.
Brake Fluid Specification:
Likely DOT 3 or DOT 4 brake fluid, depending on system design.
Gearbox Oil Specification:
Specific GL-4 or GL-5 gear oil, or UTTO depending on the gearbox and differentials.
Common Wear Items:
Clutch wear, hydraulic pump efficiency, PTO clutch engagement, electrical connections, aging seals.
Maintenance Tips:
Regular cleaning of radiators and filters, proper lubrication of pivot points, checking for hydraulic leaks.
Running In Procedure:
Manual includes 'Running-In/Flexible Maintenance' section, crucial for new or overhauled engines and transmissions.
Engine Oil Capacity:
Approximately 7-9 liters, specific capacity detailed in manual.
Hydraulic System Capacity:
Typically 20-30 liters for the main hydraulic reservoir.
Brand Heritage:
New Holland has a long history in agricultural machinery, originating from the US and later integrating with European brands like Fiat. Fiat tractors have a strong European manufacturing and design heritage.
Synergy:
Represents the synergy between Fiat's engineering prowess and New Holland's market reach and branding.
Model Lineage:
The 45-66 series is part of a broader range of Fiat tractors that were later rebadged or developed under the New Holland brand. These models typically represent a reliable and straightforward utility tractor design.
Production Era:
Likely produced during the late 1980s to 1990s, a period of significant product development for both Fiat and New Holland.
