New Holland T9.645 SmartTrax II Specs, Price and Review (2026)
Industrial · 535 HP · Best for versatility and fuel efficiency
Power
535 HP (399 kW)
Fuel
Diesel
Transmission
Manual
PTO
455 HP @ 540 rpm
Weight
26,639 kg (27 t)
New price (est.)
$575,874 – $863,811
Est. used price
$201,556 – $604,668
Overview
The New Holland T9.645 SmartTrax II sits in the 180+ HP large power class and is aimed at loader work, backhoe use, and site operations. New Holland tractors are widely used across farm operations, and the T9.645 SmartTrax II represents a strong entry in the 180+ HP large segment. On this page you will find complete New Holland T9.645 SmartTrax II specs including engine data, transmission type, hydraulic lift capacity, PTO output, dimensions, and operating weight. Use the New Holland T9.645 SmartTrax II review sections on this page — TractorFit analysis, pros and cons, and use-case ratings — to judge suitability before purchasing. New Holland T9.645 SmartTrax II 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 New Holland T9.645 SmartTrax II 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 New Holland T9.645 SmartTrax II.
Positioned in the top power band for large farms and contractors who need maximum drawbar and PTO output. Manual transmission keeps ownership costs down and is well understood for maintenance. Industrial tractors are often used for construction, landscaping, and material handling. PTO specs determine compatibility with mowers, balers, and other powered attachments. Key specs include 535 HP, 455 HP PTO, 27 t operating weight, estimated used range $201,556–$604,668, and overall suitability 50/100.
Higher = simpler
Pros
- ✓Simple maintenance; mechanical transmission with lower repair costs.
- ✓High versatility: PTO and hydraulic options for multiple implements.
- ✓High power for heavy fieldwork and demanding equipment.
- ✓Reliable manual transmission with low maintenance cost.
Cons
- •May be excessive in size and fuel use for very small farms.
- •Limited capacity for intensive loader work.
- •Modest power-to-weight ratio; less agility in traction and on slopes.
- •Premium price segment relative to power and specification level.
New Holland T9.645 SmartTrax II receives an overall suitability score of 50/100 from the TractorSuitabilityâ„¢ Engine. mixed use with multiple PTO and hydraulic implements, demanding loader and draft work on larger operations. The suitability sub-scores allow an objective comparison of performance across farm sizes and use types. Loader work rates 31/100; 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 (37/100) reflects value for money. It has relative limitations in: small farm, loader. Overall, it offers a specialized profile for its class. The TractorSuitabilityâ„¢ 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
- Top-tier power for maximum productivity and large implements.
- Manual transmission keeps design simple and ownership costs lower.
- Operating weight around 27 t supports traction and ballast for heavy implements.
- Rated PTO output of 455 HP supports mowers, hay tools, and other driven implements.
- Versatility index supports a wide range of tasks and attachments.
- Estimated used price range: $201,556–$604,668 USD.
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
- Maximum productivity fieldwork
- Large balers and tillage
- Big-acreage and contractor use
- Mixed tasks and attachment use
Not ideal for
- Heavy, continuous loader work
- Low-maintenance-first buyers
- Light-duty or compact-property-only use
New Holland T9.645 SmartTrax II — Pros and Cons
Pros
- Top-tier power for maximum productivity and large implements.
- Manual transmission keeps design simple and ownership costs lower.
- Operating weight around 27 t supports traction and ballast for heavy implements.
- Rated PTO output of 455 HP supports mowers, hay tools, and other driven implements.
- Versatility index supports a wide range of tasks and attachments.
- Estimated used price range: $201,556–$604,668 USD.
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
$201,556 – $604,668 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 New Holland T9.645 SmartTrax II, verify hours, hydraulic condition, and loader/backhoe compatibility. Confirm weight for transport and permits.
Find Used Listings (International)
Technical Specifications
What this means: Power and cooling capacity matter for loader and backhoe work; diesel is typical for industrial tractors.
Engine
- Maximum Power (Gross)
- 535 HP (399 kW)
- Fuel Type
- Diesel
- Cooling
- Liquid
Documentation & Resources
Compare with similar models
Better Alternatives
Frequently asked questions
What type of transmission does the New Holland T9.645 SmartTrax II have?
The New Holland T9.645 SmartTrax II uses a manual transmission.
What should I check when buying a used New Holland T9.645 SmartTrax II?
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 New Holland T9.645 SmartTrax II use?
The New Holland T9.645 SmartTrax II uses diesel fuel.
What is the weight of the New Holland T9.645 SmartTrax II?
Operating weight is approximately 26,639 kg (27 tons).
Where can I find used New Holland T9.645 SmartTrax II listings?
This page links to international marketplaces where you can search for used New Holland T9.645 SmartTrax II tractors; listings are provided by third parties.
How much does a used New Holland T9.645 SmartTrax II cost?
Used New Holland T9.645 SmartTrax II tractors are often listed in the range of $201,556–$604,668 USD (high confidence). Actual prices depend on hours, condition, and region.
Does the New Holland T9.645 SmartTrax II have a PTO?
Yes. The New Holland T9.645 SmartTrax II has a rear PTO rated at 455 HP at 540 rpm.
New Holland T9.645 SmartTrax II: Complete Tractor Specifications and Technical Data
Overview
The New Holland T9.645 SmartTrax II is a industrial tractor from New Holland designed for landscaping and property maintenance. This comprehensive tractor specifications guide provides complete technical data, engine specifications, transmission details, dimensions, and hydraulic system capabilities. This industrial tractor features a 535 HP diesel engine with manual transmission, delivering reliable performance. Our tractor database provides detailed specifications and technical data for the New Holland T9.645 SmartTrax II, making it easy to compare with other models in the New Holland lineup or across different brands.
Engine Specifications
The New Holland T9.645 SmartTrax II is powered by a diesel engine that delivers 535 HP for property maintenance. Tractor horsepower is a critical specification that determines the machine's ability to handle various implements. The engine specifications demonstrate New Holland's engineering expertise in creating efficient powerplants.
- Maximum Power: 535 HP (399 kW)
- Fuel Type: Diesel
- Cooling System: Liquid-cooled
Transmission Specifications
The New Holland T9.645 SmartTrax II 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 New Holland T9.645 SmartTrax II's specifications help determine if the tractor fits your operational requirements.
- Wheelbase: 3912 mm (154.0 in)
- Weight: 26.639 kg (58.729 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: 455 HP (339 kW)
Performance and Applications
The New Holland T9.645 SmartTrax II delivers 535 HP performance for landscaping and property maintenance tasks. 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 New Holland T9.645 SmartTrax II matches your operational demands.
Technical Data Summary
This guide provides complete technical data and detailed specifications for the New Holland T9.645 SmartTrax II. Key specifications include: 535 HP engine, manual transmission, 455 HP PTO, and 26.639 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 New Holland T9.645 SmartTrax II is a versatile lawn tractor from New Holland, designed for property maintenance. With its 535 HP diesel engine and manual transmission, weighing 27 tons, it provides efficient operation for landscaping work. This comprehensive guide offers all essential New Holland T9.645 SmartTrax II tractor data and specifications for informed decision-making.
Conclusion
With 535 HP, the New Holland T9.645 SmartTrax II is a model worth considering carefully for operators who need Maximum productivity fieldwork, Large balers and tillage, Big-acreage and contractor 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 T9.645 SmartTrax II against other tractors in the same HP range before making a final decision.