UTB/Universal 643 Specs, Price and Review (2026)
Agricultural · 64 HP · Best for small farms and versatility
Power
64 HP (48 kW)
Fuel
Diesel
Transmission
Manual
PTO
54 HP @ 540 rpm
Weight
3,125 kg (3 t)
New price (est.)
$36,864 – $55,296
Est. used price
$12,902 – $38,707
Overview
The UTB/Universal 643 sits in the 60–120 HP mid-range power class and is aimed at mid-size farm fieldwork, loader use, and hay operations. UTB/Universal tractors are widely used across farm operations, and the 643 represents a strong entry in the 60–120 HP mid-range segment. On this page you will find complete UTB/Universal 643 specs including engine data, transmission type, hydraulic lift capacity, PTO output, dimensions, and operating weight. Use the UTB/Universal 643 review sections on this page — TractorFit analysis, pros and cons, and use-case ratings — to judge suitability before purchasing. UTB/Universal 643 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 UTB/Universal 643 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 UTB/Universal 643.
This model sits in the 60–120 HP range that fits full-time farming and large-property management. Manual transmission is a proven choice for operators who prefer direct gear selection. As a farm tractor, it is built for fieldwork, PTO-driven implements, and all-day reliability. Rear PTO capability allows use of mowers, tillers, and other PTO-driven equipment. Key specs include 64 HP, 54 HP PTO, 3 t operating weight, estimated used range $12,902–$38,707, and overall suitability 56/100.
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.
UTB/Universal 643 receives an overall suitability score of 56/100 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 64 HP and around 3 tons weight, it fits small and mid-size farms where maneuverability and running costs matter. Loader work rates 26/100; fuel efficiency index is 67/100. 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
- Strong engine power for PTO work and heavy drawbar loads.
- Manual transmission keeps design simple and ownership costs lower.
- 3 t operating weight fits a broad range of implements and conditions.
- Rated PTO output of 54 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: $12,902–$38,707 USD.
- Farm orientation targets fieldwork, PTO work, and reliability.
Trade-offs
- Suitability scoring suggests above-average maintenance demands; consider repair history and local support.
- Loader suitability scores modestly; check front axle capacity and loader compatibility for heavy material work.
Best for
- Row-crop and hay operations
- Feeding and material handling
- Full-season fieldwork
- Mixed tasks and attachment use
Not ideal for
- Heavy, continuous loader work
- Low-maintenance-first buyers
UTB/Universal 643 — Pros and Cons
Pros
- Strong engine power for PTO work and heavy drawbar loads.
- Manual transmission keeps design simple and ownership costs lower.
- 3 t operating weight fits a broad range of implements and conditions.
- Rated PTO output of 54 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: $12,902–$38,707 USD.
- Farm orientation targets fieldwork, PTO work, and reliability.
Cons
- Suitability scoring suggests above-average maintenance demands; consider repair history and local support.
- Loader suitability scores modestly; check front axle capacity and loader compatibility for heavy material work.
Used market insights
Estimated used price
$12,902 – $38,707 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 UTB/Universal 643, hours and service history matter. Confirm PTO and hydraulic operation, tire condition, and that implements match your HP and category.
Find Used Listings (International)
Find UTB/Universal Dealers Near You
Authorized dealerships selling and servicing UTB/Universal tractors.
Technical Specifications
What this means: Gross HP and torque influence implement sizing; diesel is standard for farm use and longevity.
Engine
- Maximum Power (Gross)
- 64 HP (48 kW)
- Fuel Type
- Diesel
- Cooling
- Liquid
Compare with similar models
Better Alternatives
Frequently asked questions
Where can I find used UTB/Universal 643 listings?
This page links to international marketplaces where you can search for used UTB/Universal 643 tractors; listings are provided by third parties.
How much does a used UTB/Universal 643 cost?
Used UTB/Universal 643 tractors are often listed in the range of $12,902–$38,707 USD (high confidence). Actual prices depend on hours, condition, and region.
Does the UTB/Universal 643 have a PTO?
Yes. The UTB/Universal 643 has a rear PTO rated at 54 HP at 540 rpm.
What is the horsepower of the UTB/Universal 643?
The UTB/Universal 643 is rated at 64 HP (gross) (48 kW).
Is the UTB/Universal 643 good for loader work?
TractorFit scores rate this model as less suited for loader work (26/100). Check front axle capacity and loader compatibility for your intended use.
What is the UTB/Universal 643 best used for?
As a farm tractor, the UTB/Universal 643 is suited to fieldwork, PTO-driven implements, hay work, and general estate or small-farm tasks.
What type of transmission does the UTB/Universal 643 have?
The UTB/Universal 643 uses a manual transmission.
What should I check when buying a used UTB/Universal 643?
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 UTB/Universal 643 use?
The UTB/Universal 643 uses diesel fuel.
What is the weight of the UTB/Universal 643?
Operating weight is approximately 3,125 kg (3 tons).
UTB/Universal 643: Complete Tractor Specifications and Technical Data
Overview
The UTB/Universal 643 is a agricultural tractor from UTB/Universal 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 64 HP diesel engine with manual transmission, delivering reliable performance. Our tractor database provides detailed specifications and technical data for the UTB/Universal 643, making it easy to compare with other models in the UTB/Universal lineup or across different brands.
Engine Specifications
The UTB/Universal 643 is powered by a diesel engine that delivers 64 HP for agricultural tasks. Tractor horsepower is a critical specification that determines the machine's ability to handle various implements. The engine specifications demonstrate UTB/Universal's engineering expertise in creating efficient powerplants.
- Maximum Power: 64 HP (48 kW)
- Fuel Type: Diesel
- Cooling System: Liquid-cooled
Transmission Specifications
The UTB/Universal 643 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 UTB/Universal 643's specifications help determine if the tractor fits your operational requirements.
- Wheelbase: 2271 mm (89.4 in)
- Weight: 3125 kg (6889 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: 54 HP (40 kW)
Performance and Applications
The UTB/Universal 643 delivers 64 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 UTB/Universal 643 matches your operational demands.
Technical Data Summary
This guide provides complete technical data and detailed specifications for the UTB/Universal 643. Key specifications include: 64 HP engine, manual transmission, 54 HP PTO, and 3125 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 UTB/Universal 643 is a reliable agricultural tractor from UTB/Universal, designed for modern farming operations. With its 64 HP diesel engine and manual transmission, weighing 3 tons, it provides dependable performance for agricultural tasks. This comprehensive guide offers all essential UTB/Universal 643 tractor data and specifications for informed decision-making.
Conclusion
With 64 HP, the UTB/Universal 643 is a solid choice for operators who need Row-crop and hay operations, Feeding and material handling, Full-season fieldwork. Check the price range shown above and compare with similar models to ensure it fits your budget. Use our comparison tool to stack the 643 against other tractors in the same HP range before making a final decision.