John Deere 6M 140 Specs, Price and Review (2026)
Agricultural · 138 HP · Best for versatility and fuel efficiency
Power
138 HP (103 kW)
Fuel
Diesel
Transmission
Manual
PTO
117 HP @ 540 rpm
Weight
6,300 kg (6 t)
New price (est.)
$103,334 – $155,002
Est. used price
$36,167 – $108,501
Overview
Powered by a 138 HP engine, the John Deere 6M 140 is a agricultural tractor designed for large-acreage farming, heavy tillage, and large-implement compatibility. Built by John Deere, the 6M 140 carries the engineering standards expected from this manufacturer. Here you will find all 6M 140 specs: engine displacement, fuel system, transmission gears, hydraulic flow, lift capacity, PTO speed, and tractor dimensions. Our 6M 140 review section below breaks down real-world strengths, trade-offs, and best use cases based on the technical specifications. Looking for the 6M 140 price? Our used market section estimates current resale values, and the listings panel links to live marketplace data. Scroll down for the complete John Deere 6M 140 specification tables, suitability scores, price estimates, and links to similar tractors in our database.
TractorFitâ„¢ Analysis
Overall score
Based on specs and use-case fit for John Deere 6M 140.
Positioned in the high-power class for producers who need strong PTO and hydraulic performance. Manual transmission keeps ownership costs down and is well understood for maintenance. Farm-oriented design prioritizes drawbar and PTO work, hydraulics, and durability. PTO specs determine compatibility with mowers, balers, and other powered attachments. Key specs include 138 HP, 117 HP PTO, 6 t operating weight, estimated used range $36,167–$108,501, and overall suitability 47/100.
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.
John Deere 6M 140 receives an overall suitability score of 47/100 from the TractorSuitabilityâ„¢ Engine. mixed use with multiple PTO and hydraulic implements. 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 68/100. 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, large 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
- High horsepower supports large implements and high capacity.
- 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 117 HP supports mowers, hay tools, and other driven implements.
- Versatility index supports a wide range of tasks and attachments.
- Estimated used price range: $36,167–$108,501 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
- Heavy tillage and large hay
- High-capacity harvesting
- Large-acreage farming
- Mixed tasks and attachment use
Not ideal for
- Heavy, continuous loader work
- Low-maintenance-first buyers
John Deere 6M 140 — Pros and Cons
Pros
- High horsepower supports large implements and high capacity.
- 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 117 HP supports mowers, hay tools, and other driven implements.
- Versatility index supports a wide range of tasks and attachments.
- Estimated used price range: $36,167–$108,501 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
$36,167 – $108,501 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 John Deere 6M 140, hours and service history matter. Confirm PTO and hydraulic operation, tire condition, and that implements match your HP and category.
Find Used Listings (International)
Technical Specifications
What this means: Cylinder count and displacement affect smoothness and repair complexity; compare to similar models in the same HP band.
Engine
- Maximum Power (Gross)
- 138 HP (103 kW)
- Fuel Type
- Diesel
- Cooling
- Liquid
Documentation & Resources
Compare with similar models
Better Alternatives
Frequently asked questions
What is the horsepower of the John Deere 6M 140?
The John Deere 6M 140 is rated at 138 HP (gross) (103 kW).
Is the John Deere 6M 140 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 John Deere 6M 140 best used for?
As a farm tractor, the John Deere 6M 140 is suited to fieldwork, PTO-driven implements, hay work, and general estate or small-farm tasks.
What type of transmission does the John Deere 6M 140 have?
The John Deere 6M 140 uses a manual transmission.
What should I check when buying a used John Deere 6M 140?
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 John Deere 6M 140 use?
The John Deere 6M 140 uses diesel fuel.
John Deere 6M 140: Complete Tractor Specifications and Technical Data
Overview
The John Deere 6M 140 is a agricultural tractor from John Deere 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 138 HP diesel engine with manual transmission, delivering reliable performance. Our tractor database provides detailed specifications and technical data for the John Deere 6M 140, making it easy to compare with other models in the John Deere lineup or across different brands.
Engine Specifications
The John Deere 6M 140 is powered by a diesel engine that delivers 138 HP for agricultural tasks. Tractor horsepower is a critical specification that determines the machine's ability to handle various implements. The engine specifications demonstrate John Deere's engineering expertise in creating efficient powerplants.
- Maximum Power: 138 HP (103 kW)
- Fuel Type: Diesel
- Cooling System: Liquid-cooled
Transmission Specifications
The John Deere 6M 140 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 John Deere 6M 140's specifications help determine if the tractor fits your operational requirements.
- Wheelbase: 2581 mm (101.6 in)
- Weight: 6300 kg (13.889 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: 117 HP (87 kW)
Performance and Applications
The John Deere 6M 140 delivers 138 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 John Deere 6M 140 matches your operational demands.
Technical Data Summary
This guide provides complete technical data and detailed specifications for the John Deere 6M 140. Key specifications include: 138 HP engine, manual transmission, 117 HP PTO, and 6300 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 John Deere 6M 140 is a reliable agricultural tractor from John Deere, designed for modern farming operations. With its 138 HP diesel engine and manual transmission, weighing 6 tons, it provides dependable performance for agricultural tasks. This comprehensive guide offers all essential John Deere 6M 140 tractor data and specifications for informed decision-making.
Conclusion
With 138 HP, the John Deere 6M 140 is a model worth considering carefully for operators who need Heavy tillage and large hay, High-capacity harvesting, Large-acreage farming. Check the price range shown above and compare with similar models to ensure it fits your budget. Use our comparison tool to stack the 6M 140 against other tractors in the same HP range before making a final decision.