John Deere 4720 Sprayer Specifications and Features

If you’re looking for a sprayer that offers precise control and reliability, the John Deere 4720 delivers. Powered by a 4.5L engine, it offers 130 horsepower, making it a strong contender for tasks requiring speed and efficiency. The mechanical drive system allows smooth operation, ensuring that you stay in control even in challenging conditions.

With a maximum spray width of 90 feet, the 4720 makes quick work of large fields. The 90-gallon fuel tank ensures long hours of operation without the need for frequent refueling. Its hydraulic system provides reliable lifting power, while the high-capacity boom design helps to optimize coverage and reduce overlap.

The 4720 sprayer also includes advanced features like auto section control, which minimizes product waste, and precise rate control, allowing you to apply the correct amount of chemicals with each pass. Its ergonomic controls and spacious cabin make it a comfortable choice for long shifts in the field. Whether you’re working on large farms or tackling smaller, more specialized tasks, the John Deere 4720 brings both performance and comfort to the table.

John Deere 4720 Sprayer Specs

The John Deere 4720 Sprayer is designed for farmers who need high efficiency and performance. It offers a 300-gallon tank, ensuring large coverage with fewer refills. The 4720 comes equipped with a 90-foot boom, providing an excellent spray width for fast, uniform application.

The engine is a 4.5L, 4-cylinder diesel with 130 horsepower, delivering enough power for tough terrains while maintaining fuel efficiency. The sprayer operates on a hydrostatic transmission, offering smooth control at variable speeds, from 0 to 25 mph.

The 4720 features advanced suspension systems to ensure stability during operation, allowing it to perform well even in uneven fields. Its tire options, ranging from 12.4-38 to 14.9-46 inches, provide flexibility for different soil conditions and terrain types.

Operators will appreciate the spacious cab with ergonomic controls, ensuring comfort and reducing fatigue. The onboard technology includes a GPS receiver for precise application and boom control, helping to reduce chemical waste and improve accuracy.

Maintenance is made simple with easy access to key components, reducing downtime. With a top speed of 25 mph, the John Deere 4720 combines speed, power, and reliability to handle a variety of field conditions effectively.

Engine Performance and Fuel Capacity

The John Deere 4720 sprayer features a 4.5-liter, 4-cylinder engine capable of producing 115 horsepower. This engine delivers consistent power for demanding tasks, providing smooth operation across various field conditions. It ensures reliable performance for extended spraying operations, handling both challenging terrain and varying load demands with ease.

Fuel capacity is optimized with a 100-gallon tank, allowing for longer operational hours without frequent refueling stops. This capacity is designed to maximize efficiency, supporting larger spraying areas in a single run. For increased productivity, the engine also incorporates an advanced fuel injection system, enhancing fuel efficiency while maintaining power output, reducing the need for additional fuel stops.

With an excellent balance of engine power and fuel capacity, the 4720 ensures continuous performance for medium to large-sized operations. It’s a smart choice for those seeking reliability and productivity in their sprayer equipment.

Spraying System: Nozzle Types and Coverage

For optimal performance with the John Deere 4720 sprayer, selecting the right nozzle type is key to achieving consistent coverage and minimizing waste. Nozzles directly influence spray pattern, droplet size, and overall distribution. Here are some key points to consider:

• Flat Fan Nozzles: These nozzles offer excellent coverage in low- to medium-pressure situations. They provide a uniform spray pattern, ideal for broad applications like herbicides and insecticides.
• Air Induction Nozzles: Designed to produce larger droplets, they reduce drift while maintaining good coverage. These nozzles are perfect for windy conditions or when applying pesticides that are sensitive to drift.
• TwinJet Nozzles: Combining the best features of flat fan and air induction nozzles, TwinJet nozzles produce a combination of large and small droplets. This helps achieve better penetration in dense crops while minimizing drift.
• Cone Nozzles: For concentrated applications, such as fungicides or foliar nutrients, cone nozzles deliver a fine mist with precise targeting. They are best used when applying liquids at high pressure.

Adjusting nozzle settings based on application needs will ensure a uniform distribution of chemicals across the field, improving both crop yield and resource efficiency. Selecting the right nozzle type and coverage ensures minimal overlap and maximizes productivity.

Maintenance and Service Requirements

Change the engine oil and filter every 100 hours of operation or annually, whichever comes first. This ensures optimal engine performance and longevity.

Check the hydraulic oil level regularly. Replace the hydraulic fluid after every 1,000 hours or annually. A clean hydraulic system reduces wear and improves system response.

Inspect the air filter regularly. Replace it every 250 hours or when it appears dirty. This will maintain proper engine breathing and prevent excessive wear.

Ensure the cooling system is functioning correctly by checking coolant levels frequently. Refill as needed and flush the system every 2,000 hours or 2 years.

Lubricate all moving parts according to the operator’s manual. Grease the machine’s joints, pins, and bearings every 50 hours of use to reduce friction and prevent premature wear.

Examine tires for wear and proper inflation. Adjust tire pressure as recommended for optimal traction and fuel efficiency. Inspect tires for cuts or punctures and replace damaged ones immediately.

Monitor the spraying system for leaks or blockages. Clean nozzles and filters after each use to prevent clogs and ensure consistent spraying performance.

Inspect the electrical system, including the battery and wiring. Clean terminals and check connections regularly to avoid electrical failures.

Replace the fuel filter after every 500 hours of operation. This will prevent contaminants from reaching the engine and causing performance issues.

Perform a full machine inspection every 500 hours. Check the frame, chassis, and components for cracks, damage, or excessive wear. Tighten any loose bolts and nuts to maintain structural integrity.

Finally, always refer to the owner’s manual for specific service intervals and follow manufacturer recommendations for parts replacement to ensure long-term machine reliability.