John Deere 9R 640 Specs, Price and Review (2026)
Industrial · 632 HP · Best for fuel efficiency and versatility
Power
632 HP (471 kW)
Fuel
Diesel
Transmission
Manual
PTO
537 HP @ 540 rpm
Weight
21,174 kg (21 t)
New price (est.)
$680,285 – $1,020,427
Est. used price
$238,100 – $714,299
Overview
TractorFitâ„¢ Analysis
Overall score
Based on specs and use-case fit for John Deere 9R 640.
This model sits 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 632 HP, 537 HP PTO, 21 t operating weight, estimated used range $238,100–$714,299, and overall suitability 53/100.
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.
John Deere 9R 640 receives an overall suitability score of 53/100 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 73/100. 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 21 t supports traction and ballast for heavy implements.
- Rated PTO output of 537 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: $238,100–$714,299 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
John Deere 9R 640 — 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 21 t supports traction and ballast for heavy implements.
- Rated PTO output of 537 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: $238,100–$714,299 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
$238,100 – $714,299 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 9R 640, 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)
- 632 HP (471 kW)
- Fuel Type
- Diesel
- Cooling
- Liquid
Documentation & Resources
Compare with similar models
Better Alternatives
Frequently asked questions
Where can I find used John Deere 9R 640 listings?
This page links to international marketplaces where you can search for used John Deere 9R 640 tractors; listings are provided by third parties.
How much does a used John Deere 9R 640 cost?
Used John Deere 9R 640 tractors are often listed in the range of $238,100–$714,299 USD (high confidence). Actual prices depend on hours, condition, and region.
Does the John Deere 9R 640 have a PTO?
Yes. The John Deere 9R 640 has a rear PTO rated at 537 HP at 540 rpm.
What is the horsepower of the John Deere 9R 640?
The John Deere 9R 640 is rated at 632 HP (gross) (471 kW).
Is the John Deere 9R 640 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 9R 640 best used for?
The John Deere 9R 640 is aimed at industrial or utility use such as loaders and site work.
What type of transmission does the John Deere 9R 640 have?
The John Deere 9R 640 uses a manual transmission.
What should I check when buying a used John Deere 9R 640?
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 9R 640 use?
The John Deere 9R 640 uses diesel fuel.
What is the weight of the John Deere 9R 640?
Operating weight is approximately 21,174 kg (21 tons).
John Deere 9R 640: Complete Tractor Specifications and Technical Data
Overview
The John Deere 9R 640 is a industrial tractor from John Deere 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 632 HP diesel engine with manual transmission, delivering reliable performance. Our tractor database provides detailed specifications and technical data for the John Deere 9R 640, making it easy to compare with other models in the John Deere lineup or across different brands.
Engine Specifications
The John Deere 9R 640 is powered by a diesel engine that delivers 632 HP for property maintenance. 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: 632 HP (471 kW)
- Fuel Type: Diesel
- Cooling System: Liquid-cooled
Transmission Specifications
The John Deere 9R 640 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 9R 640's specifications help determine if the tractor fits your operational requirements.
- Wheelbase: 3912 mm (154.0 in)
- Weight: 21.174 kg (46.681 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: 537 HP (401 kW)
Performance and Applications
The John Deere 9R 640 delivers 632 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 John Deere 9R 640 matches your operational demands.
Technical Data Summary
This guide provides complete technical data and detailed specifications for the John Deere 9R 640. Key specifications include: 632 HP engine, manual transmission, 537 HP PTO, and 21.174 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 9R 640 is a versatile lawn tractor from John Deere, designed for property maintenance. With its 632 HP diesel engine and manual transmission, weighing 21 tons, it provides efficient operation for landscaping work. This comprehensive guide offers all essential John Deere 9R 640 tractor data and specifications for informed decision-making.
Conclusion
With 632 HP, the John Deere 9R 640 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 9R 640 against other tractors in the same HP range before making a final decision.