Case IH STX450 Specs, Price and Review (2026)
Industrial · 450 HP · Best for versatility and fuel efficiency
Power
450 HP (336 kW)
Fuel
Diesel
Transmission
Manual
PTO
383 HP @ 540 rpm
Weight
17,838 kg (18 t)
New price (est.)
$372,600 – $558,900
Est. used price
$130,410 – $391,230
Overview
TractorFitâ„¢ Analysis
Overall score
Based on specs and use-case fit for Case IH STX450.
Positioned in the 180+ HP segment aimed at maximum productivity and large-implement compatibility. Manual transmission is a proven choice for operators who prefer direct gear selection. Industrial tractors are often used for construction, landscaping, and material handling. Rear PTO capability allows use of mowers, tillers, and other PTO-driven equipment. Key specs include 450 HP, 383 HP PTO, 18 t operating weight, estimated used range $130,410–$391,230, and overall suitability 52/100.
Higher = simpler
Pros
- ✓Efficient consumption relative to power-to-weight and engine type.
- ✓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.
Case IH STX450 receives an overall suitability score of 52/100 from the TractorSuitabilityâ„¢ Engine. mixed use with multiple PTO and hydraulic implements, operations where fuel economy is a priority, 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 70/100. 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 (38/100) 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 18 t supports traction and ballast for heavy implements.
- Rated PTO output of 383 HP supports mowers, hay tools, and other driven implements.
- Fuel efficiency scores well for its power class.
- Versatility index supports a wide range of tasks and attachments.
- Estimated used price range: $130,410–$391,230 USD.
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
- Maximum productivity fieldwork
- Large balers and tillage
- Big-acreage and contractor use
- Fuel-conscious operation
- Mixed tasks and attachment use
Not ideal for
- Heavy, continuous loader work
- Low-maintenance-first buyers
- Light-duty or compact-property-only use
Case IH STX450 — 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 18 t supports traction and ballast for heavy implements.
- Rated PTO output of 383 HP supports mowers, hay tools, and other driven implements.
- Fuel efficiency scores well for its power class.
- Versatility index supports a wide range of tasks and attachments.
- Estimated used price range: $130,410–$391,230 USD.
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
$130,410 – $391,230 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 Case IH STX450, verify hours, hydraulic condition, and loader/backhoe compatibility. Confirm weight for transport and permits.
Find Used Listings (International)
Technical Specifications
What this means: Industrial use demands reliability under load; engine specs affect duty cycle and attachment compatibility.
Engine
- Maximum Power (Gross)
- 450 HP (336 kW)
- Fuel Type
- Diesel
- Cooling
- Liquid
Documentation & Resources
Compare with similar models
Better Alternatives
Frequently asked questions
What is the horsepower of the Case IH STX450?
The Case IH STX450 is rated at 450 HP (gross) (336 kW).
Is the Case IH STX450 good for loader work?
TractorFit scores rate this model as less suited for loader work (31/100). Check front axle capacity and loader compatibility for your intended use.
What is the Case IH STX450 best used for?
The Case IH STX450 is aimed at industrial or utility use such as loaders and site work.
What type of transmission does the Case IH STX450 have?
The Case IH STX450 uses a manual transmission.
What should I check when buying a used Case IH STX450?
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 Case IH STX450 use?
The Case IH STX450 uses diesel fuel.
CaseIH STX450: Complete Tractor Specifications and Technical Data
Overview
The CaseIH STX450 is a industrial tractor from CaseIH 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 450 HP diesel engine with manual transmission, delivering reliable performance. Our tractor database provides detailed specifications and technical data for the CaseIH STX450, making it easy to compare with other models in the CaseIH lineup or across different brands.
Engine Specifications
The CaseIH STX450 is powered by a diesel engine that delivers 450 HP for property maintenance. Tractor horsepower is a critical specification that determines the machine's ability to handle various implements. The engine specifications demonstrate CaseIH's engineering expertise in creating efficient powerplants.
- Maximum Power: 450 HP (336 kW)
- Fuel Type: Diesel
- Cooling System: Liquid-cooled
Transmission Specifications
The CaseIH STX450 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 CaseIH STX450's specifications help determine if the tractor fits your operational requirements.
- Wheelbase: 3912 mm (154.0 in)
- Weight: 17.838 kg (39.326 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: 383 HP (286 kW)
Performance and Applications
The CaseIH STX450 delivers 450 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 CaseIH STX450 matches your operational demands.
Technical Data Summary
This guide provides complete technical data and detailed specifications for the CaseIH STX450. Key specifications include: 450 HP engine, manual transmission, 383 HP PTO, and 17.838 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 CaseIH STX450 is a versatile lawn tractor from CaseIH, designed for property maintenance. With its 450 HP diesel engine and manual transmission, weighing 18 tons, it provides efficient operation for landscaping work. This comprehensive guide offers all essential CaseIH STX450 tractor data and specifications for informed decision-making.
Conclusion
With 450 HP, the Case IH STX450 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 STX450 against other tractors in the same HP range before making a final decision.