John Deere 4040S Specs
| Production | |
| Manufacturer: | John Deere |
| Type: | Row-Crop tractor |
| Factory: | Mannheim, Baden-Württemberg, Germany |
| Engine Detail | |
| John Deere | |
| turbocharged diesel | |
| 6-cylinder | |
| liquid-cooled | |
| Displacement: | 359 ci 5.9 L |
| Bore/Stroke: | 4.19×4.33 inches 106 x 110 mm |
| Power: | 115 hp 85.8 kW |
| Compression: | 16.8:1 |
| Rated RPM: | 2200 |
| Torque: | 324.5 lb-ft 440.0 Nm |
| Torque RPM: | 1200 |
| Starter: | electric |
| Starter volts: | 12 |
| John Deere 4040S Power | |
| Engine: | 115 hp 85.8 kW |
| Transmission | |
| Transmission: | Quad-Range |
| Gears: | 16 forward and 6 reverse |
| Clutch: | hydraulic wet disc |
| Transmission | |
| Transmission: | Synchro-Range |
| Gears: | 12 forward and 4 reverse |
| Clutch: | hydraulic wet disc |
| Mechanical | |
| Chassis: | 4×4 MFWD 4WD |
| Steering: | power |
| Brakes: | wet disc |
| Cab: | Sound-Gard cab standard. |
| Transmissions: | 16-speed |
| 12-speed | |
| Hydraulics | |
| Type: | closed center |
| Pressure: | 2250 psi 155.1 bar |
| Pump flow: | 25.4 gpm 96.1 lpm |
| Tractor hitch | |
| Rear Type: | II |
| Rear lift: | 10590 lbs 4803 kg |
| Power Take-off (PTO) | |
| Rear PTO: | independent |
| Clutch: | hydraulic disc |
| Rear RPM: | 540/1000 |
| Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 90 |
| Batteries: | 2 |
| Battery volts: | 12 |
| John Deere 4040S Tires | |
| Ag front: | 11.00-16 |
| Ag rear: | 18.4-38 |
| Dimensions | |
| Length: | 180.7 inches 458 cm |
| Width: | 96 inches 243 cm |
| Height (cab): | 114.7 inches 291 cm |
| Height (exhaust): | 123.4 inches 313 cm |
| Shipping weight: | 11070 lbs 5021 kg |
| Rear tread: | 60 to 92.9 inches 152 to 235 cm |
John Deere 4040S Problems
The John Deere 4040S tractor is known for its durability, but it does come with some common issues related to engine performance and hydraulic system functionality. Here’s a rundown of what users have reported:
Engine Performance Issues:
- Antifreeze in Oil: Some users have encountered antifreeze mixing with the oil. This problem is often due to a faulty head gasket or broken head studs. Replacing these parts typically resolves the antifreeze issue. However, if the tractor continues to run poorly—showing symptoms like choppy operation, hard starting, white or grey smoke, and lack of power—it might indicate further issues such as problems with the turbocharger, despite efforts to replace the injectors and clean the fuel system.
- General Power Loss: Users have also reported significant power loss, especially when shifting gears. The tractor may struggle or bog down when changing from high to low gears, suggesting possible issues with either the engine or transmission systems.
Hydraulic System Problems:
- Overheating Hydraulics: There are reports of the hydraulic system overheating at low RPMs, which can lead to system failure. This issue may stem from debris in the transmission, often caused by worn brakes. Regular maintenance, including checking hydraulic fluid and filters, is crucial to prevent this problem.
- Hydraulic Functionality: After engine repairs or changes, some users have faced issues with hydraulic pressure and responsiveness. These problems can affect the tractor’s operational efficiency, so troubleshooting and proper maintenance are key.
John Deere 4040S Review
The John Deere 4040S is a well-regarded tractor known for its durability and versatility in various agricultural tasks. Here’s a detailed look at its strengths and potential areas of concern based on user feedback and performance:
Strengths
- Robust Build Quality: The 4040S is praised for its solid construction and reliability. It’s built to handle tough farming conditions and has a reputation for longevity when properly maintained.
- Powerful Performance: With its strong engine, the 4040S is capable of tackling a wide range of tasks, from plowing fields to hauling heavy loads. The power and performance make it a valuable asset on the farm.
- Comfort and Usability: Operators often appreciate the comfortable cab and user-friendly controls. The design focuses on reducing operator fatigue, which is crucial during long work hours.
- Versatility: The tractor’s adaptability makes it suitable for various applications, from tillage to planting and beyond. Its versatility is a significant advantage for farmers needing a multi-functional machine.
Potential Issues
- Engine Performance Concerns: Some users have reported engine issues such as antifreeze mixing with the oil. This problem is usually due to a faulty head gasket or broken head studs. Even after replacing these components, some tractors may still exhibit poor performance, including choppy operation, hard starting, and white or grey smoke. Issues with the turbocharger could also be a factor.
- Power Loss: A noticeable loss of power, particularly when shifting gears, has been a concern for some operators. The tractor may bog down during gear transitions, which can indicate problems with the engine or transmission systems.
- Hydraulic System Overheating: The hydraulic system has been reported to overheat at low RPMs, potentially leading to system failure. This issue is often related to debris in the transmission, often due to worn brakes. Regular maintenance is crucial to avoid this problem.
- Hydraulic Functionality: After engine repairs or changes, some users have experienced issues with hydraulic pressure and responsiveness. This can affect the tractor’s efficiency and overall performance.
Maintenance Tips
- Regular Checks: Regularly inspect and maintain the head gasket, injectors, and hydraulic fluid to prevent common issues.
- Professional Help: For persistent problems or complex issues, seek professional diagnostics and assistance.
- System Upkeep: Regularly check hydraulic fluid and filters to prevent overheating and ensure smooth operation.
Conclusion
The John Deere 4040S is a reliable and powerful tractor with a solid reputation for handling various farming tasks. While it does have some reported issues, particularly with engine performance and hydraulic systems, regular maintenance and timely repairs can help mitigate these concerns. Overall, it remains a strong choice for those in need of a durable and versatile tractor.