John Deere 4640 Tractor: Complete Specs, Price, and More
The John Deere 4640 tractor is one power house in the agricultural sector that is famous for its non-compromise durability and outstanding performance in the field. Produced from 1978 to 1982, this row-crop tractor has become a milestone of farming equipment since it has the massive 7.6L six-cylinder diesel engine that can deliver the PTO power of 155 horsepower which is a claim. Thanks to its diversity, not only does the John Deere 4640 have a closed-center hydraulic system, differential hydraulic wet disc brakes, but also a comfortable Sound-Gard cab. Ranging from a price of $46,316 to $53,123, an essential investment of its particular epoch, for its high lift capacity and power gave 4640 tractor, a competitive edge in the weightiest agricultural tasks.
This article unpacks the John Deere 4640, presenting full information on its specs, features, and market value. This guide can benefit you if you are a collector who wants to know more about this timeless tractor, a farmer who is interested in the name of this tractor, or someone who is curious about the development of farm machinery.
Overview
| Specification | Details |
|---|---|
| Model | John Deere 4640 |
| Years Produced | 1978 – 1982 |
| Type | Row-Crop Tractor |
| Engine | John Deere 6466A, 6-cylinder, diesel |
| Displacement | 466 cu in (7.64 L) |
| Aspiration | Turbocharged, intercooled |
| Horsepower (Rated) | 176.3 hp (131.5 kW) @ 2200 rpm |
| PTO Power | 155 hp (115.5 kW) @ 1000 rpm |
| Maximum Torque | 718 Nm (531 lb-ft) @ 1400 rpm |
| Transmission | Quad Range (16F/6R) or Power Shift (8F/4R) |
| Fuel Tank Capacity | 83 gallons (314 liters) |
| Hydraulic System | Closed Center, 23 gpm (87 Lpm) |
| Hydraulic Capacity | 16.5 gallons (62.5 liters) |
| 3-Point Hitch | Category 3/3N |
| Lift Capacity | 5500 lbs (2500 kg) standard, 7280 lbs (3300 kg) optional |
| Wheelbase | 118.5 inches (300 cm) |
| Overall Length | 171 inches (434 cm) |
| Overall Width | 96 inches (243 cm) |
| Height (with Cab) | 117 inches (297 cm) |
| Weight | 14,350 to 15,700 lbs (6,509 to 7,121 kg) |
| Tires (2WD) | Front: 11.0-16, Rear: 18.4-38 |
| Tires (4WD) | Front: 9.5-20, Rear: 20.8-38 |
| Cab | Sound-Gard Cab |
| Brakes | Differential Hydraulic Wet Disc |
| Steering | Hydrostatic Power Steering |
| Original Price Range | $46,316 – $53,123 (approx.) |
| Current Market Value | Varies widely ($20,000 – $45,000+ depending on condition) |
Key Specifications of John Deere 4640
Engine and Power
| Specification | Detail |
|---|---|
| Engine Type | John Deere 6466A, 6-cylinder, diesel |
| Displacement | 466 cu in (7.64 L) |
| Aspiration | Turbocharged, intercooled |
| Rated Power | 176.3 hp (131.5 kW) at 2200 rpm |
| Maximum Torque | 718 Nm (531 lb-ft) at 1400 rpm |
| Fuel Tank Capacity | 83 gallons (314 liters) |
| PTO Power | 155 hp (115.5 kW) at 1000 rpm |
Transmission Options
| Transmission Type | Gears |
|---|---|
| Quad Range | 16 Forward, 6 Reverse |
| Power Shift | 8 Forward, 4 Reverse |
Hydraulic System and Hitch
| Feature | Specification |
|---|---|
| Hydraulic System | Closed Center, 23 gpm (87 Lpm) |
| Hydraulic Capacity | 16.5 gallons (62.5 liters) |
| 3-Point Hitch | Category 3/3N |
| Lift Capacity | 5500 lbs (2500 kg) standard, 7280 lbs (3300 kg) optional |
Dimensions and Weight
| Dimension | Measurement |
|---|---|
| Wheelbase | 118.5 inches (300 cm) |
| Length | 171 inches (434 cm) |
| Width | 96 inches (243 cm) |
| Height (Cab) | 117 inches (297 cm) |
| Weight | 14,350 to 15,700 lbs (6,509 to 7,121 kg) |
Tire Sizes
| Tire Position | Size |
|---|---|
| Front (2WD) | 11.0-16 |
| Rear (2WD) | 18.4-38 |
| Front (4WD) | 9.5-20 |
| Rear (4WD) | 20.8-38 |
Performance and Utility
Operational Features
- Hydrostatic Power Steering for ease of maneuvering.
- Differential Hydraulic Wet Disc Brakes for safety and control.
- Sound-Gard Cab reducing noise and improving operator comfort.
Operator comfort and efficiency are the priority concerns in the design and construction of the John Deere 4640, guaranteeing that long hours of operation can be accomplished with minimal fatigue. The cab’s sound insulation has been particularly lauded for its role in lowering noise levels, thus enhancing the working environment.
Pros and Cons
Pros:
- High engine power suitable for demanding tasks.
- Comfortable cab with sound reduction.
- Multiple transmission options for versatile use.
Cons:
- Higher initial cost compared to contemporaries.
- Weight could be a limitation for certain applications.
Price and Market Value
Original Pricing
- Base Price (1978-1982): $46,316 – $53,123
The original pricing of the John Deere 4640 reflects its premium build and capabilities, positioning it as a high-end choice during its production years.
Current Market Value
As of recent times, the value of a well-maintained John Deere 4640 can vary significantly:
| Year | Condition | Price Range |
|---|---|---|
| 1981 | Used, Good | $20,000 – $35,000 |
| 1982 | Used, Excellent | $30,000 – $45,000 |
Maintenance and Upkeep
Maintaining a John Deere 4640 involves:
- Regular oil changes with specifications varying by engine model.
- Hydraulic fluid checks and replacements.
- Tire maintenance considering the load and terrain specifics.
Due to its age, the demand for the 4640’s components in the market has gone down and so getting them can be a bit tricky; however, the Deere’s tradition guarantees that many components are still available through dealers and specialty tractor part suppliers.
Conclusion
The John Deere 4640 is a testimony of the effectiveness and strength of the agricultural machinery that John Deere can create. Through the specifications that it has, John Deere can fulfill the requirements of heavy-duty as the company has always had as a reference the reliability and success of the work. Therefore, it is important for the buyers of this tractor to know at least its capabilities, maintenance, and market value to be able to make a good choice. 4640, besides being a historical piece of machinery in the field, is also the new masterpiece of invention, which happens to the reason it is one of the highly recommended vehicles on a farm among the performance, comfort, and adaptability of its competition.
FAQ
1. How much horsepower does a John Deere 4640 have?
The John Deere 4640 tractor is powered by a powerful internal combustion engine that produces a claimed 155 horsepower at the PTO. The rated power is around 176.3 hp at 2200 rpm. This means that it is capable of being a workhorse of those times, suitable for a heavy-duty farm job.
2. What years was the John Deere 4640 made?
The John Deere 4640 tractor was built between 1978 and 1982. It was a part of John Deeres Iron Horses Series actuated and is widely loved by many farmers and tractor enthusiasts.
3. What kind of transmission does the John Deere 4640 have?
The 4640 comes with two transmission options which the operators have to choose from- an 8-speed full power shift and a 16-speed partial power shift. This makes the car more versatile with the needs of farming, whether you need more speed options or prefer a simple shift mechanism.
4. How much does a John Deere 4640 weigh?
The weight of a John Deere 4640 tractor can be between 14,350 and 15,700 pounds and that multitude will be based on the configuration and any added ballasting. Of course, the weight distribution on the tractor plays an important role in the stability and traction power of it.
5. What is the fuel tank capacity of the John Deere 4640?
The fuel tank on a John Deere 4640 holds approximately 83 gallons, which means that you can work more and refuel less, which can be significantly beneficial especially during long days in the field.
6. Can you still get parts for a John Deere 4640?
Yes, it is true even if the 4640 is not being produced anymore, still you can get the parts. There is also the option of purchasing John Deere parts and some third-party providers offer these parts, but you have to find out if the part you require is available. Moreover, you can also use online forums and tractor shows to find or swap parts.
7. How is the operator comfort in the John Deere 4640?
The John Deere 4640 model is equipped with a Sound-Gard cab that is a true reflection of the intellectualism of its time. Besides the reduction of noise level, which is enormous, it provides a more relaxed working environment for the operator. This is coupled with a fully glazed cabin that offers clear visibility which is necessary for working long hours.
8. What is the hydraulic capacity of the John Deere 4640?
The hydraulic system is fitted with a 16.5-gallon tank. It is commonly used a closed-center system. Here is a mode by which the flow and pressure of the fluid being used to work the different implements is maintained.
9. What are common problems with the John Deere 4640?
While the John Deere 4640 models are known for their longevity, common problems can include the case of faulty transmissions, in particular power shift and occasional hydraulic issues. The easiest way to troubleshoot is to keep an eye on things like the hydraulic fluid and transmission oil levels, making proper maintenance and repairs, and minimizing the causes of these problems, thus ensuring a proficiency of the machinery.
10. Is the John Deere 4640 good for modern farming?
The 4640 can still be a good choice for farms that are not using the latest technology, especially those that are either smaller or medium-sized where its durability is valued. However, it may not have some of the improvements high-tech models like GPS guidance and the more advanced hydraulic systems. Whether for collectors or people needing a reliable workhorse, it’s still a perfect option.