John Deere 4990 Specifications and Features Overview
The John Deere 4990 combines power and reliability in a package designed to tackle heavy-duty farming tasks. With a robust engine offering 275 horsepower, this machine excels in a variety of conditions, providing the performance required for large-scale operations.
Its 9.0-liter 6-cylinder turbocharged diesel engine ensures optimal fuel efficiency, allowing you to operate longer without frequent refueling stops. The machine also features a 16-speed power shift transmission, providing precise control over speed and efficiency for both field and transport work.
The 4990 is built with hydraulic capacity to power large implements, making it an ideal choice for farmers needing reliable hydraulic performance. With a maximum lift capacity of 4,000 kg and an impressive front loader compatibility, it supports various agricultural tasks with ease.
In addition to its powerful engine and hydraulics, the John Deere 4990 boasts advanced comfort features to enhance the operator experience. The spacious cab includes a modern control system with climate control and an ergonomic seat, ensuring hours of productivity in comfort.
John Deere 4990 Specifications
The John Deere 4990 is equipped with a robust engine that delivers a maximum output of 160 horsepower. Powered by a 6.8-liter, 6-cylinder diesel engine, it provides reliable performance for demanding tasks on various terrains. Its advanced powertrain system ensures smooth operation and fuel efficiency, making it a valuable tool for agricultural professionals.
Transmission options include a highly responsive 16F/4R PowerShift system, enabling seamless shifting under load. This enhances operator comfort and productivity, especially during long hours of use. The machine’s drivetrain is engineered for durability, with each component built to handle heavy-duty tasks without compromise.
When it comes to lift capacity, the John Deere 4990 impresses with its hydraulic system. The lift arms can handle up to 2,300 kg (5,070 lbs), allowing it to easily manage large implements and equipment. The system is designed for optimal precision and control, even in challenging conditions.
The 4990’s dimensions provide stability and agility. With a wheelbase of 2,540 mm (100 inches) and an overall width of 2,620 mm (103 inches), it maintains balance while moving through narrow rows or tight spaces. Its ground clearance stands at 430 mm (17 inches), ideal for working on uneven ground or wet fields.
The cab design emphasizes comfort and visibility. Equipped with air conditioning and ergonomic controls, the operator’s environment is optimized for both ease of use and comfort during long days. The spacious cab offers a clear view of the surrounding area, making it easier to maneuver and monitor the work at hand.
For those requiring precision and advanced technology, the John Deere 4990 integrates seamlessly with John Deere’s GPS and auto-steering systems. These technologies reduce operator fatigue and increase accuracy, which is especially useful for tasks that demand high precision like row planting and spraying.
Maintenance is simplified with easily accessible service points and a durable design that minimizes downtime. The John Deere 4990 is built for longevity, with a reputation for minimal maintenance requirements and high resale value, making it an excellent investment for those seeking long-term performance.
Engine Performance and Power Output of John Deere 4990
The John Deere 4990 is equipped with a robust 6-cylinder, 9.0L turbocharged diesel engine, designed to deliver consistent and reliable power for demanding tasks. The engine produces a maximum of 280 horsepower, ensuring the tractor is well-suited for heavy-duty agricultural work.
At the heart of the engine is its fuel-efficient design, which maximizes power output while reducing fuel consumption. The engine’s turbocharger enhances airflow, improving both fuel efficiency and power, making it an ideal choice for high-performance needs over long periods.
The John Deere 4990 also features an electronically controlled injection system that provides precise fuel delivery. This leads to smoother engine operation, reduced emissions, and better throttle response. Whether tackling fieldwork or working on uneven terrain, this system ensures the engine maintains optimal power and performance levels at all times.
Thanks to its advanced cooling system, the engine stays within optimal temperature ranges, even during intense workloads. This prevents overheating, contributing to the tractor’s longevity and minimizing downtime for repairs. The engine’s power is also complemented by an efficient transmission system, offering seamless shifts and delivering power directly to the wheels, ensuring excellent traction and maneuverability.
The John Deere 4990’s engine has been tested for durability, handling extended hours of operation without sacrificing performance. Its power output allows for quick acceleration and consistent pulling power, making it an ideal machine for large-scale farming operations that demand efficiency and reliability.
Hydraulic System Capabilities and Load Capacity
The John Deere 4990 hydraulic system is designed to handle heavy-duty tasks with precision and power. Its main hydraulic pump delivers 35.8 gpm at 2,250 psi, ensuring smooth and efficient operation under load. This high flow rate provides ample pressure for demanding attachments like loaders, plows, or other implements that require significant hydraulic support.
The system is equipped with multiple valves to manage various functions independently, minimizing downtime when switching between tasks. It is capable of delivering up to 12,500 lbs of lift capacity on the three-point hitch, allowing for the handling of heavy implements with ease. The system can also lift a maximum of 9,000 lbs in the front loader configuration, which is ideal for demanding lifting tasks such as material handling or soil movement.
In terms of operational flexibility, the John Deere 4990 offers a fully integrated load sensing system. This system adjusts flow and pressure based on the actual load, optimizing fuel efficiency without compromising performance. This feature ensures that the tractor’s hydraulic capacity is always matched to the task at hand, offering both power and control, regardless of the workload.
The hydraulic system also includes quick-connect fittings and a dedicated pump for auxiliary circuits, which is beneficial when using specialized attachments. With these features, operators can quickly change tools without wasting time or effort. The combination of these elements makes the John Deere 4990 an excellent choice for both heavy-duty and precise hydraulic tasks.
- Hydraulic pump flow: 35.8 gpm at 2,250 psi
- Three-point hitch lift capacity: 12,500 lbs
- Front loader lift capacity: 9,000 lbs
- Load sensing system for optimized efficiency
- Quick-connect fittings for easy attachment changes
Dimensions, Weight, and Maneuverability of John Deere 4990
The John Deere 4990 has a width of 10 feet 7 inches, which ensures efficient operation in narrow spaces while maintaining stability during work. Its height is 12 feet, making it suitable for operations under overhead structures, such as low-hanging branches or power lines.
Weighing in at 24,000 pounds, the 4990 is heavy enough to provide excellent ground contact, preventing excessive soil compaction. This weight ensures traction, especially during field work, but it also means it requires solid, flat surfaces for optimal maneuverability.
The turning radius of the John Deere 4990 is 17 feet, enabling the machine to make tighter turns than larger models, which is beneficial for operations in smaller fields or tight corners. Its four-wheel-drive system provides enhanced maneuverability, especially on uneven terrain, giving operators more control while navigating challenging conditions.
With its impressive dimensions, weight, and turning radius, the 4990 strikes a balance between stability and agility, making it ideal for various agricultural tasks in diverse environments.