| Manufacturer |
John Deere |
| Price |
- |
| Model |
4025 |
| Equipment Type |
Row-Crop Tractors |
| Factory |
Monterrey, Mexico |
JOHN DEERE 4025 POWER
| PTO (claimed) |
94hp / 70.1kW |
ENGINE DETAIL
The John Deere 4025, equipped with a robust 6-cylinder diesel engine, offers a displacement of 404ci (6.6L) and an optimal operating RPM of 2500, ensuring strong torque output for agricultural tasks. Its 4.25x4.75-inch bore/stroke configuration promotes efficiency and smooth power delivery, although the design may require more maintenance due to higher complexity compared to simpler engines. The electric 12V starter enhances reliability, making the 4025 well-suited for varied field conditions, but operators should be mindful of potential battery issues in extreme temperatures.
| Description |
John Deere diesel 6-cylinder liquid-cooled |
| Displacement |
404ci / 6.6L |
| Bore/Stroke |
4.25x4.75inches / 108x 121mm |
| Rated RPM |
2500 |
| Firing order |
1-5-3-6-2-4 |
| Starter |
electric |
| Starter volts |
12 |
JOHN DEERE 4025 ENGINE
The John Deere 4025 features a robust 6.6L 6-cylinder diesel engine, offering enhanced torque and fuel efficiency, essential for heavy-duty applications. With a fuel tank capacity of 34 gallons (128.7 liters), this tractor ensures extended operational time between refueling, making it advantageous for larger agricultural operations or construction tasks. However, its weight and size may pose challenges in smaller, confined working environments.
| Description |
John Deere 6.6L 6-cyl diesel |
| Fuel tank |
34gal / 128.7L |
TRANSMISSIONS OVERVIEW
The John Deere 4025's 8-speed partially synchronized transmission offers smooth gear transitions, ideal for applications requiring moderate power and control, such as tillage or mowing. However, the shift from this to an 8-speed full power shift may yield faster gear changes under load, enhancing efficiency in heavy-duty tasks like hauling or plowing. A challenge with the partially synchronized system is potential wear on components during frequent shifting, necessitating regular maintenance for longevity.
| Description |
8-speed partially synchronized 8-speed full power shift |
TRANSMISSION 1
The John Deere 4025 features a partially synchronized Syncro-Range transmission, providing 8 forward and 2 reverse gears, which enhances gear shifting efficiency, especially when handling varying loads. The partially synchronized design offers a balance between ease of operation and durability, making it suitable for both fieldwork and transport tasks. However, operators may need to manage gear changes manually to avoid potential wear, particularly in high-torque applications.
| Transmission |
Syncro-Range |
| Type |
partially synchronized |
| Gears |
8 forward and 2 reverse |
SPEEDS 1
| Description |
With 18.4-34 rear tires |
TRANSMISSION 2
The John Deere 4025 features a full power shift transmission, providing seamless gear changes for enhanced operational efficiency, especially in varying terrain. With 8 forward and 4 reverse gears, it offers flexibility in speed and torque management, making it suitable for a diverse range of agricultural tasks. However, potential users should note the maintenance complexity associated with power shift systems, which may require specialized servicing over time.
| Type |
full power shift |
| Gears |
8 forward and 4 reverse |
SPEEDS 2
| Description |
With 18.4-34 rear tires |
MECHANICAL
The John Deere 4025 features a 4x2 2WD chassis, providing good maneuverability on flat terrain but limiting traction on slopes or uneven ground. The open operator station enhances visibility and comfort but exposes the operator to the elements. The 8-speed transmission, with both partially synchronized and full power shift options, allows for versatility in speed control and easier handling in various farming applications, though it may require more operator skill to optimize shifting efficiency.
| Chassis |
4x2 2WD |
| Cab |
Open operator station |
| Transmissions |
8-speed partially synchronized 8-speed full power shift |
HYDRAULICS
| Type |
open center |
| Valves |
1 |
TRACTOR HITCH
POWER TAKE-OFF (PTO)
| Rear PTO |
independent |
| Rear RPM |
540/1000 |
JOHN DEERE 4025 TIRES
The John Deere 4025 features a versatile tire configuration with Ag front sizes ranging from 6.00-16 to 7.50-18, and rear sizes of 15.5-38 or 18.4-34, offering enhanced stability and traction on various terrains. The larger rear tires improve flotation and reduce soil compaction, making it suitable for field work like plowing or planting in diverse agricultural conditions. A potential challenge may arise with the front tire load capacity, which could limit performance in heavy-duty applications compared to models with larger front tires.
| Ag front |
6.00-16/7.50-18 |
| Ag rear |
15.5-38 / 18.4-34 |
DIMENSIONS
| Wheelbase |
97.5inches / 247cm |
| Length |
152.75inches / 387cm |
| Width |
89.625inches / 227cm |
| Height (steering wheel) |
79.875inches / 202cm |
| Height (exhaust) |
90.75inches / 230cm |
| Weight |
8555lbs / 3880kg |
DIMENSIONS & TIRES
The John Deere 4025 features a wheelbase of 97.5 inches, providing stability for a range of tasks, particularly in fields where maneuverability is essential. Weighing 8,555 lbs, it offers substantial traction and stability, well-suited for heavy-duty farming applications; however, this weight may limit mobility on softer terrain. The combination of front tires (6.00-16) and rear tires (15.5-38) enhances performance in tillage and hauling operations but could lead to increased soil compaction, requiring careful management during usage.
| Wheelbase |
97.5inches / 247cm |
| Weight |
8555lbs / 3880kg |
| Front tire |
6.00-16 |
| Rear tire |
15.5-38 |
4025 SERIAL NUMBERS
| Location |
Serial number plate on the rear of the Deere 4025 |
| 1969 |
211000 |
| 1970 |
222143 |
| 1971 |
250000 |
| 1972 |
260791 |
