Challenger MT851 Specs, Price and Review (2026)
Industrial · 504 HP · Best for fuel efficiency and versatility
Power
504 HP (376 kW)
Fuel
Diesel
Transmission
Manual
PTO
428 HP @ 540 rpm
Weight
19,051 kg (19 t)
New price (est.)
$417,312 – $625,968
Est. used price
$146,059 – $438,178
Overview
As a industrial utility tractor with 504 HP of power, the Challenger MT851 is built for loader work, backhoe use, and site operations. As a Challenger tractor, the MT851 continues the brand's reputation for reliability and field performance. Below are the full MT851 specs: engine specifications, transmission details, PTO ratings, hydraulic system data, and dimensions — everything you need for a buying decision. The MT851 review data on this page is generated from specifications, helping you understand how it compares to similar tractors in its class. We include MT851 price estimates — both new and used — to help you understand the cost of ownership and compare it against alternatives. Use the comparison tool below to set the Challenger MT851 against similar models, or browse the alternatives section for other tractors in this HP range.
TractorFitâ„¢ Analysis
Overall score
Based on specs and use-case fit for Challenger MT851.
Positioned in the high-horsepower tier for heavy tillage, big balers, and large-acreage efficiency. A manual gearbox offers straightforward operation and lower complexity. Industrial tractors are often used for construction, landscaping, and material handling. PTO horsepower and speed options support mowers, hay tools, and other driven implements. Key specs include 504 HP, 428 HP PTO, 19 t operating weight, estimated used range $146,059–$438,178, 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.
Challenger MT851 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 71/100. 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 19 t supports traction and ballast for heavy implements.
- Rated PTO output of 428 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: $146,059–$438,178 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
- 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
Challenger MT851 — 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 19 t supports traction and ballast for heavy implements.
- Rated PTO output of 428 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: $146,059–$438,178 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
$146,059 – $438,178 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 Challenger MT851, 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)
- 504 HP (376 kW)
- Fuel Type
- Diesel
- Cooling
- Liquid
Compare with similar models
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Frequently asked questions
How much does a used Challenger MT851 cost?
Used Challenger MT851 tractors are often listed in the range of $146,059–$438,178 USD (high confidence). Actual prices depend on hours, condition, and region.
Does the Challenger MT851 have a PTO?
Yes. The Challenger MT851 has a rear PTO rated at 428 HP at 540 rpm.
What is the horsepower of the Challenger MT851?
The Challenger MT851 is rated at 504 HP (gross) (376 kW).
Is the Challenger MT851 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 Challenger MT851 best used for?
The Challenger MT851 is aimed at industrial or utility use such as loaders and site work.
What type of transmission does the Challenger MT851 have?
The Challenger MT851 uses a manual transmission.
What should I check when buying a used Challenger MT851?
Verify hours, condition, service history, PTO operation, hydraulics, and tire wear. Confirm weight and dimensions if you need to transport or match implements.
Challenger MT851: Complete Tractor Specifications and Technical Data
Overview
The Challenger MT851 is a industrial tractor from Challenger 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 504 HP diesel engine with manual transmission, delivering reliable performance. Our tractor database provides detailed specifications and technical data for the Challenger MT851, making it easy to compare with other models in the Challenger lineup or across different brands.
Engine Specifications
The Challenger MT851 is powered by a diesel engine that delivers 504 HP for property maintenance. Tractor horsepower is a critical specification that determines the machine's ability to handle various implements. The engine specifications demonstrate Challenger's engineering expertise in creating efficient powerplants.
- Maximum Power: 504 HP (376 kW)
- Fuel Type: Diesel
- Cooling System: Liquid-cooled
Transmission Specifications
The Challenger MT851 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 Challenger MT851's specifications help determine if the tractor fits your operational requirements.
- Wheelbase: 2997 mm (118.0 in)
- Weight: 19.051 kg (42.000 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: 428 HP (319 kW)
Performance and Applications
The Challenger MT851 delivers 504 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 Challenger MT851 matches your operational demands.
Technical Data Summary
This guide provides complete technical data and detailed specifications for the Challenger MT851. Key specifications include: 504 HP engine, manual transmission, 428 HP PTO, and 19.051 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 Challenger MT851 is a versatile lawn tractor from Challenger, designed for property maintenance. With its 504 HP diesel engine and manual transmission, weighing 19 tons, it provides efficient operation for landscaping work. This comprehensive guide offers all essential Challenger MT851 tractor data and specifications for informed decision-making.
Conclusion
With 504 HP, the Challenger MT851 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 MT851 against other tractors in the same HP range before making a final decision.