Caterpillar Forty Specs, Price and Review (2026)
Agricultural · 48.91 HP · Best for small farms and versatility
Power
48.91 HP (36 kW)
Fuel
Diesel
Transmission
Manual
PTO
42 HP @ 540 rpm
Weight
6,180 kg (6 t)
New price (est.)
$28,172 – $42,258
Est. used price
$9,860 – $29,581
Overview
The Caterpillar Forty sits in the 25–60 HP utility power class and is aimed at small farms, landscaping, and light loader duties. Caterpillar tractors are widely used across farm operations, and the Forty represents a strong entry in the 25–60 HP utility segment. On this page you will find complete Caterpillar Forty specs including engine data, transmission type, hydraulic lift capacity, PTO output, dimensions, and operating weight. Use the Caterpillar Forty review sections on this page — TractorFit analysis, pros and cons, and use-case ratings — to judge suitability before purchasing. Caterpillar Forty price varies by year, hours, condition, and region — our used price estimate gives you a data-based range to start your search. Use this page to review all Caterpillar Forty data in one place — from specs and pricing to suitability ratings and direct comparisons with competing models.
TractorFitâ„¢ Analysis
Overall score
Based on specs and use-case fit for Caterpillar Forty.
With its specs, the mid-range utility segment capable of loader work, mowing, and medium-acreage farming. A manual gearbox offers straightforward operation and lower complexity. Agricultural use cases include tillage, planting, hay, and material handling. PTO horsepower and speed options support mowers, hay tools, and other driven implements. Key specs include 48.91 HP, 42 HP PTO, 6 t operating weight, estimated used range $9,860–$29,581, and overall suitability 52/100.
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.
- •Heavy for the power output; may reduce efficiency in drawbar work.
Caterpillar Forty receives an overall suitability score of 52/100 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. The suitability sub-scores allow an objective comparison of performance across farm sizes and use types. With 48.91 HP and around 6 tons weight, it fits small and mid-size farms where maneuverability and running costs matter. Loader work rates 31/100; fuel efficiency index is 59/100. 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 specialized 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.
- Operating weight around 6 t supports traction and ballast for heavy implements.
- Rated PTO output of 42 HP supports mowers, hay tools, and other driven implements.
- Versatility index supports a wide range of tasks and attachments.
- Estimated used price range: $9,860–$29,581 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
Caterpillar Forty — Pros and Cons
Pros
- Engine size balances capability with operating cost.
- Manual transmission keeps design simple and ownership costs lower.
- Operating weight around 6 t supports traction and ballast for heavy implements.
- Rated PTO output of 42 HP supports mowers, hay tools, and other driven implements.
- Versatility index supports a wide range of tasks and attachments.
- Estimated used price range: $9,860–$29,581 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
$9,860 – $29,581 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 Caterpillar Forty, hours and service history matter. Confirm PTO and hydraulic operation, tire condition, and that implements match your HP and category.
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Technical Specifications
What this means: Engine specs define power for PTO work, drawbar load, and fuel use. Higher displacement often means more torque at lower rpm.
Engine
- Maximum Power (Gross)
- 48.91 HP (36 kW)
- Fuel Type
- Diesel
- Cooling
- Liquid
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Frequently asked questions
What fuel does the Caterpillar Forty use?
The Caterpillar Forty uses diesel fuel.
What is the weight of the Caterpillar Forty?
Operating weight is approximately 6,180 kg (6 tons).
Where can I find used Caterpillar Forty listings?
This page links to international marketplaces where you can search for used Caterpillar Forty tractors; listings are provided by third parties.
How much does a used Caterpillar Forty cost?
Used Caterpillar Forty tractors are often listed in the range of $9,860–$29,581 USD (high confidence). Actual prices depend on hours, condition, and region.
Does the Caterpillar Forty have a PTO?
Yes. The Caterpillar Forty has a rear PTO rated at 42 HP at 540 rpm.
What is the horsepower of the Caterpillar Forty?
The Caterpillar Forty is rated at 48.91 HP (gross) (36 kW).
Caterpillar Forty: Complete Tractor Specifications and Technical Data
Overview
The Caterpillar Forty is a agricultural tractor from Caterpillar 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 48.91 HP diesel engine with manual transmission, delivering reliable performance. Our tractor database provides detailed specifications and technical data for the Caterpillar Forty, making it easy to compare with other models in the Caterpillar lineup or across different brands.
Engine Specifications
The Caterpillar Forty is powered by a diesel engine that delivers 48.91 HP for agricultural tasks. Tractor horsepower is a critical specification that determines the machine's ability to handle various implements. The engine specifications demonstrate Caterpillar's engineering expertise in creating efficient powerplants.
- Maximum Power: 48.91 HP (36 kW)
- Fuel Type: Diesel
- Cooling System: Liquid-cooled
Transmission Specifications
The Caterpillar Forty 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 Caterpillar Forty's specifications help determine if the tractor fits your operational requirements.
- Weight: 6180 kg (13.625 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: 42 HP (31 kW)
Performance and Applications
The Caterpillar Forty delivers 48.91 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 Caterpillar Forty matches your operational demands.
Technical Data Summary
This guide provides complete technical data and detailed specifications for the Caterpillar Forty. Key specifications include: 48.91 HP engine, manual transmission, 42 HP PTO, and 6180 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 Caterpillar Forty is a reliable agricultural tractor from Caterpillar, designed for modern farming operations. With its 48.91 HP diesel engine and manual transmission, weighing 6 tons, it provides dependable performance for agricultural tasks. This comprehensive guide offers all essential Caterpillar Forty tractor data and specifications for informed decision-making.
Conclusion
With 48.91 HP, the Caterpillar Forty is a model worth considering carefully 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 Forty against other tractors in the same HP range before making a final decision.