John Deere 4120 Tractor Specifications and Key Features
The John Deere 4120 tractor stands out for its powerful engine and impressive performance. With a 45-horsepower engine, it provides enough strength for a variety of farming and landscaping tasks. Whether you’re handling heavy loads or working with attachments, the 4120 handles it with ease.
Weighing in at 3,200 pounds, this compact tractor combines power with maneuverability. Its 4WD option adds extra traction, making it suitable for rough terrains. The hydrostatic transmission system ensures smooth operation, allowing you to focus on your work without worrying about gear shifting.
The 4120 features a comfortable operator station with easy-to-use controls. Its 540 RPM rear PTO makes it compatible with various implements, while the 3-point hitch can lift up to 2,000 pounds, supporting a wide range of attachments. The tractor’s fuel tank capacity of 14.5 gallons ensures long working hours without frequent refueling.
With a turning radius of just 10 feet, the John Deere 4120 excels in tight spaces, offering exceptional maneuverability for tasks that require precision. Its sturdy build and reliable performance make it a great choice for anyone needing a durable, versatile machine for everyday tasks.
John Deere 4120 Tractor Specs
The John Deere 4120 is equipped with a 1.5L 3-cylinder diesel engine, delivering 40 horsepower. This engine provides the power needed for various farm tasks, from mowing to tilling. Its hydrostatic transmission ensures smooth and easy operation, allowing the operator to adjust speed effortlessly without clutching. This makes it ideal for both experienced and novice operators.
With a 4WD system, the 4120 offers excellent traction, making it effective on uneven terrain or in wet conditions. Its wheelbase measures 64.6 inches, ensuring stability while handling heavy implements. The tractor’s hydraulic system has a flow rate of 8.1 gallons per minute, providing ample power for lifting and operating attachments.
The 4120 comes with a 24.5-gallon fuel tank, which allows for extended work periods without frequent refueling. Its maximum lift capacity at the three-point hitch is 2,000 pounds, making it suitable for heavy-duty tasks. The tractor’s 3-point hitch is Category 1, compatible with a variety of implements like plows, cultivators, and sprayers.
The operator station features a comfortable seat with easy-to-reach controls, reducing fatigue during long hours of operation. With a turning radius of just 8.4 feet, it offers excellent maneuverability, even in tight spaces. The 4120’s compact size and powerful performance make it a versatile tool for various farming and landscaping tasks.
John Deere 4120 Engine Specifications and Performance
The John Deere 4120 is powered by a 4-cylinder, liquid-cooled engine. It offers a displacement of 2.9 liters and delivers 46 horsepower at 2,600 RPM. This engine provides reliable power for a range of agricultural tasks and offers smooth operation under various conditions.
With a torque rating of 129 lb-ft, the engine ensures strong pulling capability and stability, especially when handling demanding attachments. The fuel system features an electronic fuel injection (EFI), which contributes to improved fuel efficiency and reduced emissions. This technology also helps maintain consistent power output, even in fluctuating weather conditions.
The 4120’s engine incorporates a turbocharger, enhancing performance during high-load operations. It operates at a compression ratio of 17.2:1, optimizing combustion efficiency. Additionally, the engine uses a 12-volt electrical system, which ensures reliable starts and efficient operation in cold temperatures.
For users focused on fuel efficiency, the 4120’s engine is designed to minimize consumption while maintaining a robust power output. With a fuel tank capacity of 15.8 gallons, operators can work for extended periods without frequent refueling.
The cooling system is also worth noting, featuring a large radiator and high-performance fan. This setup ensures that the engine remains at optimal operating temperatures, even during long working hours in challenging environments.
Hydraulics and Towing Capacity of the John Deere 4120
The John Deere 4120 is equipped with a powerful hydraulic system designed to handle demanding tasks. Its hydraulic pump delivers a flow rate of 11.4 gallons per minute (GPM), providing sufficient power for various implements, ensuring smooth operation even under heavy loads.
The rear hydraulic system can support a maximum of 3,000 psi, offering strong lifting capabilities for a wide range of attachments, such as mowers and loaders. The tractor’s three-point hitch provides a maximum lift capacity of 2,200 pounds, which is ideal for tasks requiring heavy lifting and precise control.
For towing, the 4120 is well-suited for a variety of applications. Its towing capacity is rated at 4,400 pounds, allowing it to easily tow trailers, small equipment, or other attachments. This makes it a reliable choice for agricultural and light construction tasks.
The tractor also features a Category 1 three-point hitch, compatible with many standard implements, enhancing its versatility and making it easier to connect and operate a variety of attachments.
- Hydraulic flow: 11.4 GPM
- Rear hydraulic pressure: 3,000 psi
- Three-point hitch lift capacity: 2,200 lbs
- Towing capacity: 4,400 lbs
Transmission and Handling Features of the John Deere 4120
The John Deere 4120 tractor features a high-performance Hydrostatic Transmission (HST), providing smooth and precise control in various work conditions. With a three-range hydrostatic drive system, the operator can easily switch between low, medium, and high speeds without shifting gears manually, enhancing efficiency during tasks like plowing, mowing, or hauling.
The tractor’s hydrostatic power steering ensures responsive handling, allowing the operator to make tight turns with minimal effort. This feature is especially useful in tight spaces or when maneuvering through rows of crops. With a turning radius of just 10.8 feet, the John Deere 4120 excels in areas where space is limited, improving both precision and productivity.
Another key aspect of the 4120’s transmission is its torque compensation system, which adjusts engine power to maintain consistent performance across varying loads. This helps maintain the tractor’s stability and responsiveness when pulling heavy implements or working on uneven terrain.
With a maximum forward speed of 18.1 mph and a reverse speed of 10.5 mph, the 4120 delivers excellent travel speeds, whether for fieldwork or transport. The electronically controlled transmission contributes to smoother acceleration and deceleration, reducing strain on the operator and enhancing comfort during long hours of use.
Overall, the John Deere 4120’s transmission and handling capabilities provide operators with seamless control and efficiency, even in challenging conditions.