Fiat 45-66S Specs, Price and Review (2026)
Agricultural · 44.4 HP · Best for small farms and versatility
Power
44.4 HP (33 kW)
Fuel
Diesel
Transmission
Manual
PTO
38 HP @ 540 rpm
Weight
2,375 kg (2 t)
New price (est.)
$25,574 – $38,362
Est. used price
$8,951 – $26,853
Overview
The Fiat 45-66S is a 44.4 HP agricultural tractor built for small farms, landscaping, and light loader duties. The Fiat tractor lineup is known for durability, and the 45-66S is no exception. This page provides detailed Fiat 45-66S specifications — engine, transmission, PTO, hydraulics, weight, and dimensions — sourced from manufacturer technical data. Whether you need a 45-66S review for a purchase decision or a trade-in comparison, this page covers performance analysis and suitability scoring. For Fiat 45-66S price guidance, we provide new price estimates and used market ranges so you can budget accurately before contacting a dealer. Compare the Fiat 45-66S with similar tractors using the links below, or use our TractorFit™ analysis to see how it scores for your specific operation.
TractorFitâ„¢ Analysis
Overall score
Based on specs and use-case fit for Fiat 45-66S.
With its specs, the utility class that balances capability and operating cost for small to mid-size operations. Manual transmission keeps ownership costs down and is well understood for maintenance. Farm-oriented design prioritizes drawbar and PTO work, hydraulics, and durability. PTO specs determine compatibility with mowers, balers, and other powered attachments. Key specs include 44.4 HP, 38 HP PTO, 2 t operating weight, estimated used range $8,951–$26,853, and overall suitability 55/100.
Higher = simpler
Pros
- ✓Well suited to small and mid-size farms for power and maneuverability.
- ✓Simple maintenance; mechanical transmission with lower repair costs.
- ✓High versatility: PTO and hydraulic options for multiple implements.
- ✓Strong value for money relative to power and features.
- ✓Reliable manual transmission with low maintenance cost.
Cons
- •Limited power for large-scale work or heavy equipment.
- •Limited capacity for intensive loader work.
- •Modest power-to-weight ratio; less agility in traction and on slopes.
- •Basic hydraulic system; limited for demanding implements.
Fiat 45-66S receives an overall suitability score of 55/100 from the TractorSuitability™ Engine. Ideal for small to mid-size farms (roughly 5–40 ha), light fieldwork, mowing, and properties where maneuverability matters, mixed use with multiple PTO and hydraulic implements, tight spaces and transport on smaller trailers. The suitability sub-scores allow an objective comparison of performance across farm sizes and use types. With 44.4 HP and around 2 tons weight, it fits small and mid-size farms where maneuverability and running costs matter. Loader work rates 21/100; fuel efficiency index is 66/100. Maintenance is classified as Low: Mechanical transmission and straightforward engine design; lower repair costs and easier DIY or general dealer servicing. Operating cost tier is Moderate: Reasonable fuel efficiency and maintenance; operating costs are in line with the power class. Versatility (71/100) reflects PTO and hydraulic options; cost tier (74/100) reflects value for money. It stands out in: small farm. It has relative limitations in: large farm, loader. Overall, it offers a balanced profile for its class. The TractorSuitability™ Engine uses manufacturer technical data only to compute these indices in an objective, reproducible way. We recommend comparing these scores with your specific acreage, crop type, and implement needs before deciding.
Real-world performance & ownership
Highlights
- Engine size balances capability with operating cost.
- Manual transmission keeps design simple and ownership costs lower.
- 2 t operating weight fits a broad range of implements and conditions.
- Rated PTO output of 38 HP supports mowers, hay tools, and other driven implements.
- Suitability profile is solid across typical use cases.
- Versatility index supports a wide range of tasks and attachments.
- Estimated used price range: $8,951–$26,853 USD.
- Farm orientation targets fieldwork, PTO work, and reliability.
Trade-offs
- Maintenance complexity is rated on the higher side; factor in service access and parts availability.
- Loader and front attachment suitability is limited by design; best for lighter loader duties.
Best for
- Small to mid-size hay work
- Loader and grading
- Mixed farming and estate use
- Mixed tasks and attachment use
Not ideal for
- Heavy, continuous loader work
- Low-maintenance-first buyers
- Large-acreage row-crop or heavy tillage
Fiat 45-66S — Pros and Cons
Pros
- Engine size balances capability with operating cost.
- Manual transmission keeps design simple and ownership costs lower.
- 2 t operating weight fits a broad range of implements and conditions.
- Rated PTO output of 38 HP supports mowers, hay tools, and other driven implements.
- Suitability profile is solid across typical use cases.
- Versatility index supports a wide range of tasks and attachments.
- Estimated used price range: $8,951–$26,853 USD.
- Farm orientation targets fieldwork, PTO work, and reliability.
Cons
- Maintenance complexity is rated on the higher side; factor in service access and parts availability.
- Loader and front attachment suitability is limited by design; best for lighter loader duties.
Used market insights
Estimated used price
$8,951 – $26,853 USD
High confidence
Estimate only. Actual prices vary by condition, hours, and region.
Buyer checklist
- Check engine and PTO hours; service history matters for long-term reliability.
- Confirm PTO speed (540/1000) and HP match your mowers, balers, or other implements.
- Inspect hydraulics and three-point hitch condition; repair costs can be high.
For used Fiat 45-66S, hours and service history matter. Confirm PTO and hydraulic operation, tire condition, and that implements match your HP and category.
Find Used Listings (International)
Technical Specifications
What this means: Gross HP and torque influence implement sizing; diesel is standard for farm use and longevity.
Engine
- Maximum Power (Gross)
- 44.4 HP (33 kW)
- Fuel Type
- Diesel
- Cooling
- Liquid
Compare with similar models
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Frequently asked questions
Is the Fiat 45-66S good for loader work?
TractorFit scores rate this model as less suited for loader work (21/100). Check front axle capacity and loader compatibility for your intended use.
What is the Fiat 45-66S best used for?
As a farm tractor, the Fiat 45-66S is suited to fieldwork, PTO-driven implements, hay work, and general estate or small-farm tasks.
What type of transmission does the Fiat 45-66S have?
The Fiat 45-66S uses a manual transmission.
What should I check when buying a used Fiat 45-66S?
Verify hours, condition, service history, PTO operation, hydraulics, and tire wear. Confirm weight and dimensions if you need to transport or match implements.
What fuel does the Fiat 45-66S use?
The Fiat 45-66S uses diesel fuel.
What is the weight of the Fiat 45-66S?
Operating weight is approximately 2,375 kg (2 tons).
Where can I find used Fiat 45-66S listings?
This page links to international marketplaces where you can search for used Fiat 45-66S tractors; listings are provided by third parties.
How much does a used Fiat 45-66S cost?
Used Fiat 45-66S tractors are often listed in the range of $8,951–$26,853 USD (high confidence). Actual prices depend on hours, condition, and region.
Fiat 45-66S: Complete Tractor Specifications and Technical Data
Overview
The Fiat 45-66S is a agricultural tractor from Fiat designed for agricultural operations. This comprehensive tractor specifications guide provides complete technical data, engine specifications, transmission details, dimensions, and hydraulic system capabilities. This agricultural tractor features a 44.4 HP diesel engine with manual transmission, delivering reliable performance. Our tractor database provides detailed specifications and technical data for the Fiat 45-66S, making it easy to compare with other models in the Fiat lineup or across different brands.
Engine Specifications
The Fiat 45-66S is powered by a diesel engine that delivers 44.4 HP for agricultural tasks. Tractor horsepower is a critical specification that determines the machine's ability to handle various implements. The engine specifications demonstrate Fiat's engineering expertise in creating efficient powerplants.
- Maximum Power: 44.4 HP (33 kW)
- Fuel Type: Diesel
- Cooling System: Liquid-cooled
Transmission Specifications
The Fiat 45-66S features a manual transmission system. Transmission type affects power delivery and operational efficiency. Different transmission types offer various advantages for different operating conditions and implement requirements.
Dimensions and Weight
Understanding tractor dimensions and weight is essential for storage, transport, and operational compatibility. The Fiat 45-66S's specifications help determine if the tractor fits your operational requirements.
- Wheelbase: 1902 mm (74.9 in)
- Weight: 2375 kg (5236 lbs)
Power Take-Off (PTO)
The PTO system allows the tractor to transfer engine power to driven implements. PTO specifications, including horsepower and speed ratings, are essential when selecting implements.
- PTO Speed: 540 rpm
- PTO Power: 38 HP (28 kW)
Performance and Applications
The Fiat 45-66S delivers 44.4 HP performance for agricultural applications including plowing, planting, and harvesting. Tractor performance metrics, including power output, hydraulic capabilities, and dimensions, determine the machine's suitability for various tasks. When evaluating tractor performance, consider your specific application requirements, operating conditions, and implement needs to ensure the Fiat 45-66S matches your operational demands.
Technical Data Summary
This guide provides complete technical data and detailed specifications for the Fiat 45-66S. Key specifications include: 44.4 HP engine, manual transmission, 38 HP PTO, and 2375 kg weight. These tractor specifications enable accurate comparisons with other models. Our tractor database provides comprehensive data for thousands of models, making it easy to research specifications and compare tractors.
Conclusion
The Fiat 45-66S is a reliable agricultural tractor from Fiat, designed for modern farming operations. With its 44.4 HP diesel engine and manual transmission, weighing 2 tons, it provides dependable performance for agricultural tasks. This comprehensive guide offers all essential Fiat 45-66S tractor data and specifications for informed decision-making.
Conclusion
With 44.4 HP, the Fiat 45-66S is a solid choice for operators who need Small to mid-size hay work, Loader and grading, Mixed farming and estate use. Check the price range shown above and compare with similar models to ensure it fits your budget. Use our comparison tool to stack the 45-66S against other tractors in the same HP range before making a final decision.