John Deere 4640 Tractor Specifications and Features

The John Deere 4640 is a highly durable tractor designed for heavy-duty tasks. With a powerful 6.6L engine, it offers a max output of 150 horsepower, making it suitable for various agricultural and industrial uses. The 4640’s robust engine ensures reliable performance, even under challenging conditions.

The hydraulic system on the 4640 includes a 20-gallon per minute pump, which delivers fast, smooth operation for attachments. This high-flow system allows users to maximize the tractor’s utility, particularly in demanding tasks like plowing and lifting. Its closed-center hydraulics further enhance operational efficiency.

For picking up heavy loads or handling large implements, the tractor’s rear lift capacity of 5,000 pounds ensures stability and control. This lift capacity, combined with the full powershift transmission, makes the 4640 a reliable choice for various farming operations. The tractor also features a 3-point hitch system, offering flexibility in attaching different tools.

With these specifications, the John Deere 4640 stands out for its strength and reliability. Ideal for operators seeking a high-performance tractor with long-term durability, it remains a strong contender for modern farming equipment.

John Deere 4640 Tractor Specifications

The John Deere 4640 is equipped with a 6-cylinder turbocharged engine, delivering 130 horsepower at 2,200 RPM. This powerful engine makes the tractor highly reliable for heavy-duty tasks like plowing and tilling.

The 4640 features a PowerShift transmission with 8 forward and 4 reverse gears, allowing for smooth shifting and versatile performance in various field conditions. It has a maximum travel speed of 40 km/h, making it suitable for both field and road use.

With a 220-liter fuel tank, the 4640 provides extended operation periods without frequent refueling, ideal for long working hours. The tractor’s hydraulic system is capable of handling up to 60 liters per minute, supporting a range of implements.

The tractor’s rear PTO operates at 1,000 RPM, providing ample power for attachments such as balers and mowers. The 4640 also features a Category 3 three-point hitch, offering excellent implement compatibility.

Weighing approximately 5,700 kg, the John Deere 4640 maintains stability even under heavy load conditions. The 4640’s tire options and axle configurations ensure flexibility to match various agricultural applications.

Engine and Performance Features

The John Deere 4640 is equipped with a 6-cylinder, 404 cu in (6.6L) engine. This engine delivers a rated power of 125 horsepower at 2,200 RPM, ensuring strong and reliable performance across various tasks.

Key features of the engine include:

• Turbocharged design for improved power output and fuel efficiency.
• Maximum torque of 375 lb-ft (508 Nm), providing excellent pulling power for heavy-duty applications.
• Air-to-air aftercooling, which optimizes engine temperature and enhances durability during long hours of operation.
• Wet-sleeve cylinder design, allowing for easier engine maintenance and longer service life.

The 4640 also benefits from a mechanical fuel system that provides consistent fuel delivery for enhanced engine performance. This setup is ideal for farmers who need a tractor that can handle tough field conditions with minimal maintenance.

With a top speed of 25 mph (40 km/h), the John Deere 4640 is designed for both fieldwork and transportation, ensuring efficient movement between job sites. Whether you’re plowing, planting, or hauling, the engine delivers consistent power to get the job done efficiently.

For best results, keep the engine well-maintained with regular oil changes and fuel filter replacements. This will help preserve performance and longevity over time.

Dimensions and Weight Overview

The John Deere 4640 tractor has a length of 14.3 feet (4.37 meters) and a width of 7.5 feet (2.29 meters). Its height, including the cab, is 10.8 feet (3.28 meters). The wheelbase measures 8.4 feet (2.56 meters), providing a balanced structure for stability during operations.

The tractor’s weight varies depending on the configuration, ranging from 14,000 to 15,000 pounds (6,350 to 6,800 kg). This makes it a robust and reliable machine, capable of handling heavy loads without compromising on performance or durability.

For users with specific transport or storage needs, the John Deere 4640’s dimensions are optimized to fit within common agricultural equipment constraints. Its size ensures maneuverability while offering enough weight to perform demanding tasks like plowing, tilling, and hauling efficiently.

Hydraulic System and PTO Capabilities

The John Deere 4640 tractor features a robust hydraulic system designed to handle heavy-duty tasks efficiently. The system provides a flow rate of 29.1 gallons per minute (GPM), allowing for quick and responsive operation of implements. Its closed-center hydraulic system maintains consistent pressure, improving overall control and performance when operating machinery.

The PTO (Power Take-Off) system on the 4640 offers a 540/1000 RPM dual-speed option, providing versatility in powering various equipment. The tractor’s rear PTO is equipped with a slip clutch for added protection, ensuring durability and reducing the risk of damage during high-torque situations.

For ease of use, the 4640 includes an independent PTO, which can be engaged or disengaged without affecting the engine’s operation. This feature improves operator comfort and efficiency, particularly when switching between tasks that require PTO-driven implements.