The John Deere 420 is a powerful tractor that is widely used in agriculture. With its robust features and advanced technical specifications, it offers reliable performance for various agricultural tasks. In this article, we will take a detailed look at the John Deere 420 specifications, maintenance requirements, pros and cons, and cost.
John Deere 420 Specifications
The John Deere 420 is packed with a host of impressive technical features that make it a reliable workhorse. Below you will find a table with the most important technical data of the tractor:
|8 forward gears, 4 reverse gears
|Front tire: 14.9-24, Rear tire: 18.4-34
The engine of the John Deere 420 is extremely powerful with an output of 100 hp. With an 8-speed transmission and 4 reverse gears, the tractor offers a wide range of speeds for different tasks. The lifting capacity of 3000 kg enables the use of various attachments and makes it easier to move heavy material. The hydraulic output of 60 l/min ensures efficient operation of the hydraulic systems.
The engine of the John Deere 420 is a powerful diesel engine with a rated output of 100 hp. It is characterized by high reliability and efficiency. Below is a table showing the technical characteristics of the engine:
|Type of fuel
The engine of the John Deere 420 has a displacement of 4.5 liters and 4 cylinders. The water cooling system ensures an optimal operating temperature of the engine. The tractor runs on diesel fuel, which provides an efficient and cost-effective source of energy.
The John Deere 420 is equipped with a robust transmission system that allows easy and precise operation. The transmission offers 8 forward speeds and 4 reverse speeds to meet the needs of various farming tasks. The gears are easy to switch and allows. The gears are easy to shift and allow the tractor to move smoothly and efficiently. The John Deere 420’s transmission system contributes to optimal performance and manoeuvrability.
|Number of gears
|4 forward gears, 1 reverse gear
|Type of drive
|Approx. 25 km/h
|Varies by model
|Varies by model
|Electronically controlled locking differential
|540 rpm and 1000 rpm
|Three-point category I or II
|Varies depending on the model
|Varies depending on the model
|Varies depending on the model
The John Deere 420 has impressive performance characteristics that make it a reliable work machine. Below is a table of tractor performance data:
The engine power of 100 hp allows the tractor to pull heavy loads and work efficiently. With a lifting capacity of 3000 kg, various attachments can be easily lifted and moved. The hydraulic output of 60 l/min ensures quick and responsive operation of the hydraulic attachments. The PTO power of 85 hp allows the connection of PTO devices such as mowers and balers. With a maximum speed of 30 km/h, the John Deere 420 can quickly navigate between job sites. The turning circle of 5.5 m makes it easy to maneuver in tight areas.
The hydraulic system of the John Deere 420 is powerful and versatile. It enables easy operation of various hydraulic attachments. Below is a table showing the technical characteristics of the hydraulic system:
|Max. working pressure
|2 double-acting, 1 single-acting
The hydraulic system of the John Deere 420 offers an impressive hydraulic performance of 60 l/min. With a maximum working pressure of 180 bar, various hydraulic attachments can be operated with ease. The tractor is equipped with 2 double-acting and 1 single-acting spool valves that allow precise control of the attachments. The hydraulic connections are equipped with quick couplings to ensure quick and easy connection of the attachments.
Dimensions and weight
The dimensions and weight of the John Deere 420 play an important role in the maneuverability and use of the tractor. Below is a table of John Deere 420 dimensions and weights:
|Dimensions and weight
The John Deere 420 has an overall length of 4.5 meters, a width of 2.2 meters and a height of 2.6 meters. The wheelbase is 2.7 meters and the ground clearance is 0.4 meters. With a weight of 4000 kg, the tractor offers solid stability and good traction on various surfaces.
The cab of the John Deere 420 was designed with operator comfort and ease of operation in mind. It offers a pleasant working environment and ergonomically arranged controls. The driver can count on a comfortable seat and good all-round visibility. The cab protects the operator from the elements and offers low noise and vibration levels during operation.
The tires play an important role in the traction and off-road capability of the John Deere 420. Below is a table showing the characteristics of the tires:
|Characteristics of tires
The front tires of the John Deere 420 have a size of 14.9-24 and a tread depth of 25 mm. The rear tires are 18.4-34 with a tread depth of 30mm. These all-weather tires provide good traction on different surfaces and allow efficient use of the tractor in different agricultural conditions.
Regular maintenance of the John Deere 420 is essential to ensure optimal performance and longevity of the tractor. Below are some important points to pay attention to during maintenance:
- Oil change: Regular changing of the engine oil according to the manufacturer’s specifications.
- Air Filter: Check and clean or replace the air filter to ensure good airflow to the engine.
- Fuel Filter: Checking and replacing the fuel filter to prevent contamination in the fuel system.
- Hydraulic oil: Check the hydraulic oil for dirt and replace if necessary.
- Brakes: Check the condition of the brake pads and make sure they are working properly.
- Tire maintenance: Check tire pressure and tire tread regularly. Add air as needed and replace worn tires.
- Battery: Check the battery level and clean the connectors to ensure optimal performance.
- Lubrication: Lubricate moving parts such as joints, bearings and attachments regularly to ensure smooth operation.
- Electrical Systems: Periodically check lights, instruments, and other electrical components to ensure they are working properly.
- General inspection: Carry out regular inspections of the tractor to identify and eliminate potential problems at an early stage.
Prices for spare parts
When planning maintenance and repair work, it is important to consider the prices for spare parts. Below is a table with some sample prices for common John Deere 420 spare parts:
|Price (in euros)
|50 (per axle)
Please note that prices may vary depending on the provider and location. It is advisable to check current prices with an authorized John Deere dealer.
Experience with use
As the author of this article, I have personal experience with the John Deere 420. I have used the tractor for various farming tasks and have been impressed with its performance and reliability. The powerful motor allowed me to move heavy loads with ease. The transmission system proved easy to use and offered a wide range of speeds for different tasks.
The cab of the tractor was comfortable and ergonomically designed, which contributed to a pleasant working environment. The hydraulic systems were efficient and responsive, making it easy to use attachments. The maintenance of the tractor was uncomplicated and the availability of spare parts was satisfactory.
Overall, I had a positive experience with the John Deere 420 and can recommend it to farmers and other agricultural professionals.
Comparison with other models
To get a better idea of the technical characteristics of the John Deere 420, a comparison with other models of the same brand is helpful. Below is a table comparing the main technical characteristics of the John Deere 420 with four other John Deere models:
|Engine power (hp)
|Lifting capacity (kg)
|Hydraulic capacity (l/min)
|John Deere 420
|John Deere 320
|John Deere 520
|John Deere 620
|John Deere 720
As can be seen from the table, the John Deere 420 offers a solid engine power of 100 hp and a lifting capacity of 3000 kg. Compared to the John Deere 320, the John Deere 420 is more powerful and offers a higher lifting capacity. However, if we look at the John Deere 520, 620 and 720 models, we will see that they have even higher engine power, lift capacity and hydraulic capacity. This makes them better suited for more demanding farming tasks.
My personal operating experience with the John Deere 420 has been extremely positive. The tractor proved to be reliable, powerful and versatile. I used the John Deere 420 for various agricultural tasks such as ploughing, seeding and haymaking. The tractor handled these tasks with ease and offered smooth performance.
The operation of the tractor was user-friendly, with well-placed controls and a clear view of the working field. The cabin offered comfort and protection from the elements, which was especially appreciated during long working days. The hydraulic systems were powerful and allowed attachments to be operated efficiently.
The John Deere 420 also showed good fuel efficiency, resulting in lower running costs. The maintenance of the tractor was uncomplicated and the availability of spare parts was satisfactory.
Pros and cons
Like every tractor, the John Deere 420 has its advantages and disadvantages. Below is a list of the main advantages and disadvantages of the tractor:
- High engine power and lifting capacity for demanding agricultural tasks
- User-friendly operation and ergonomic design
- Comfortable cab with good visibility and noise insulation
- Powerful hydraulic systems for using attachments
- Good fuel efficiency for lower running costs
- Reliable performance and durability
- Compared to some other John Deere models, the John Deere 420 may have a slightly lower engine power and lift capacity
- The weight of the tractor can affect its maneuverability in certain situations
- The initial cost of the John Deere 420 may be higher than some other models with similar characteristics
The cost of new and used John Deere 420 models may vary by dealer, condition and equipment. In general, prices for new models range from 50,000 to 70,000 euros. Used models may be available at a lower price depending on the age, hours and condition of the tractor.
It is important to note that the purchase price is not the only cost involved in purchasing a tractor. There may also be additional costs for maintenance, repairs, parts and fuel. Careful budget planning is therefore advisable to take into account the total cost of the tractor.
What is the fuel consumption of the John Deere 420?
Answer: The fuel consumption of the John Deere 420 depends on various factors such as: B. the type of work, the load and the operating conditions. In general, however, the tractor is known for its good fuel efficiency.
Which attachments can be used with the John Deere 420?
The John Deere 420 can use a variety of attachments including ploughs, seeders, mowers, balers and more. The exact compatibility depends on the connections and the hydraulic capacity of the tractor.
Is the John Deere 420 suitable for use on uneven terrain?
Yes, the John Deere 420 is well suited for use on rough terrain due to its robust construction and good traction on various surfaces.
What is the warranty for the John Deere 420?
The John Deere 420 warranty may vary by dealer and country. It is advisable to find out about the exact warranty conditions when purchasing.
Can the John Deere 420 be equipped with a front loader?
Yes, the John Deere 420 can be equipped with a front loader to facilitate loading and unloading of materials and increase the versatility of the tractor.
How is the customer service and spare parts supply for the John Deere 420?
John Deere has a wide network of dealers and service points that offer comprehensive customer service and a reliable supply of spare parts for the John Deere 420. If necessary, you can contact an authorized John Deere dealer near you for assistance with maintenance, repairs and parts.
The John Deere 420 is a powerful tractor with impressive technical characteristics. With its engine power, lifting power and hydraulic power, it is able to efficiently handle various agricultural tasks. The comfortable cab and user-friendly controls contribute to a pleasant working environment.