The John Deere 840 is a tractor designed for various agricultural tasks. In this article we will give a comprehensive overview of the specifications of this tractor model. From engine characteristics to reducers to hydraulic systems and dimensions we will cover all relevant information.
John Deere 840 Specifications
Below is a table with all the technical characteristics of the John Deere 840 tractor:
|Number of cylinders
|16 forwards, 8 backwards
The John Deere 840 tractor offers an impressive engine power of 200 hp generated by a 6-cylinder engine. The transmission is equipped with 16 forward and 8 reverse gears, which allows great flexibility in various agricultural work. With a lift capacity of 5000 kg, this tractor is capable of lifting heavy loads with ease. The weight of the tractor is 4000 kg, which contributes to its stability and performance. The use of 18.4 R34 tires ensures good traction on different surfaces. The hydraulic output of 100 l/min ensures efficient operation of the tractor’s hydraulic systems.
Here is a detailed table with the engine characteristics of the John Deere 840 tractor:
|Number of cylinders
The John Deere 840 tractor has a powerful 6-cylinder engine with a displacement of 6.8 liters. This engine produces a rated power of 200 hp and a maximum torque of 900 Nm. It runs on diesel and is equipped with an efficient liquid-cooled cooling system to ensure optimal temperature control.
Below is a table of John Deere 840 tractor reducer characteristics:
|Number of gears
The John Deere 840 tractor has 16 gears and a shuttle which makes it easier to maneuver in tight areas. It also features a creeper gear for precise speed adjustments. The tractor’s speed range is from 1.6 to 30 km/h, which covers various needs in agricultural work.
Here is a table with the performance characteristics of the John Deere 840 tractor:
The John Deere 840 tractor offers a hydraulic capacity of 100 l/min, which allows efficient operation of the hydraulic systems. With a lifting capacity of 5000 kg, it is able to lift heavy loads. The PTO power is 150 hp, which allows for a wide range of applications. The electrical system works with a voltage of 12 V, and the tank capacity is 200 liters, which ensures a sufficient period of operation without frequent refilling.
Below is a table showing the characteristics of the hydraulic system of the John Deere 840 tractor:
|Lifting power control
The hydraulic system of the John Deere 840 tractor offers electronic lift control, which enables precise control of the lift capacity. It has 4 double-acting control units that offer a wide range of possible applications. The hydraulic couplers are equipped with quick couplers to allow quick change of attachments. The tractor has 8 hydraulic connectors for connecting various implements. The oil volume of the hydraulic system is 50 liters.
Dimensions and weight
Below is a table showing the dimensions and weights of the John Deere 840 tractor:
The John Deere 840 tractor has a length of 5000 mm, a width of 2500 mm and a height of 3000 mm. The wheelbase is 2800 mm and the ground clearance is 450 mm, which allows for good off-road mobility. The curb weight of the tractor is 4000 kg, while the weight when fully loaded is 5500 kg.
The cab of the John Deere 840 tractor offers great comfort for the driver. It has a well-padded seat, an ergonomic steering wheel and a user-friendly control panel. The cab is soundproofed to ensure a quiet working environment. She also offers good all-round visibility and is equipped with air conditioning and heating to ensure driving comfort in all weather conditions.
Below is a table showing the characteristics of the tires on the John Deere 840 tractor:
The John Deere 840 tractor is equipped with high-quality radial tires. The front tires are 420/85 R34, while the rear tires are 520/85 R42. These tires provide good traction and stability on various surfaces and allow agricultural work to be carried out efficiently.
When servicing the John Deere 840 tractor, you should pay attention to the following points:
- Regular check of engine oil and oil change if necessary
- Checking the hydraulic fluid and refilling or replacing it if necessary
- Check the air filter and clean or replace if necessary
- Checking the fuel filter and replacing it if necessary
- Checking the tire pressures and adjusting if necessary
- Checking the lighting equipment and replacing defective light bulbs if necessary
Regular maintenance according to the manufacturer’s specifications contributes to the long-term reliability and performance of the tractor.
Prices for spare parts
Below is a table with the prices of spare parts for the John Deere 840 tractor:
|Engine oil filter
|Hydraulic oil filter
The prices for spare parts may vary depending on the dealer and region. It is advisable to purchase replacement parts from authorized dealers or reliable suppliers to ensure quality and compatibility.
Below I share my personal experience with the John Deere 840 tractor:
As a farmer, I have been using the John Deere 840 tractor on my farm for several years. The tractor has proven to be extremely reliable and powerful. The engine power of 200 hp enables me to do even heavy agricultural work efficiently. The transmission offers a good range of gears and the shuttle makes it easy to maneuver in tight spaces.
The tractor’s hydraulic systems work smoothly and allow me to use various attachments with ease. The cabin offers a high level of comfort, especially during long working days. All-round visibility is excellent and the air conditioning ensures comfortable working conditions, especially in summer.
Overall I am very satisfied with the performance and reliability of the John Deere 840 tractor. It has exceeded my expectations and has become an indispensable part of my farming operation.
Comparison with other models
Below is a comparison table of the main technical characteristics of the John Deere 840 tractor with four other models of the same brand:
|John Deere 840
|John Deere 820
|John Deere 860
|John Deere 880
The John Deere 840 tractor offers a good balance between engine power, lifting capacity and weight compared to other models of the brand. The choice of the right model depends on the specific requirements and areas of application.
Advantages and disadvantages
Here are the pros and cons of the John Deere 840 tractor:
- High engine power for demanding agricultural work
- Versatile transmission gears and reverse shuttle for easy maneuverability
- Strong lifting capacity allows lifting heavy loads
- Efficient hydraulic system for using different attachments
- Comfortable cab with good all-round visibility and air conditioning
- The weight of the tractor can affect the soil compaction effect
- Spare parts can be expensive
The cost of new and used John Deere 840 tractor models varies by condition, equipment and dealership. Depending on the region and equipment, new models can cost between €80,000 and €100,000. Used models are usually cheaper and can range from €40,000 to €70,000 depending on age and hours of use.
It is advisable to check the condition and service history of a used tractor before you buy it to make sure it is in good condition.
How big is the fuel tank of the John Deere 840 tractor?
The fuel tank of the John Deere 840 tractor has a capacity of 200 liters.
Can the John Deere 840 tractor be used with different attachments?
Yes, the tractor is equipped with an efficient hydraulic system that allows the use of various attachments.
Are there optional equipment for the John Deere 840 tractor?
Yes, John Deere offers various optional equipment and accessories for the tractor to meet the specific needs of farmers.
How is the comfort in the cab of the John Deere 840 tractor?
The cab of the tractor offers a high level of comfort with a well-padded seat, an ergonomic steering wheel and a user-friendly control panel. It is soundproof and equipped with air conditioning and heating.
Where can I buy spare parts for the John Deere 840 tractor?
Tractor parts are available from authorized John Deere dealers and reliable suppliers.