John Deere 644C Wheel Loader Specifications and Performance Features
The John Deere 644C Wheel Loader offers high lifting capacity, durability, and performance for a variety of construction and material handling tasks. With a powerful engine and reliable transmission, it’s designed for operators who need maximum uptime and productivity in demanding environments.
The engine in the 644C delivers substantial power with its 6.8L 6-cylinder diesel engine. It provides a balance between fuel efficiency and high output, making it an excellent choice for heavy lifting. The hydrostatic transmission allows for smooth operation across different types of terrain, enhancing control and ease of use.
For those who prioritize load capacity, the 644C offers a bucket capacity of up to 3.1 cubic yards, making it well-suited for bulk material handling. Additionally, its maximum lift height of 12.3 feet supports a wide range of tasks, from digging to material transport. If you need a machine that can withstand tough work environments while maintaining operational efficiency, the 644C stands as a reliable option.
John Deere 644C Wheel Loader Specifications
The John Deere 644C wheel loader offers reliable performance in a variety of environments, designed to handle tough tasks with ease. Its high-torque engine ensures optimal power for lifting and loading operations. Equipped with a 6.6-liter turbocharged engine, the 644C produces 130 horsepower, making it well-suited for demanding applications.
With a maximum lifting capacity of 14,500 pounds, the 644C excels in material handling, offering excellent stability and control. The bucket capacity ranges from 2.5 to 3.0 cubic yards, making it versatile for different load types. The loader’s operating weight is approximately 19,000 pounds, which ensures robust performance under heavy workloads.
The transmission system in the 644C provides smooth operation and excellent handling. It features a power shift transmission with four forward speeds and three reverse speeds, allowing precise control over movement. The hydrostatic steering offers effortless maneuvering, making it ideal for tight spaces and crowded job sites.
The machine’s hydraulic system operates at a pressure of 3,000 psi, providing quick and responsive bucket movements. The 644C also features a reinforced frame and heavy-duty axles, ensuring durability even under the harshest conditions. Regular maintenance and careful inspection are recommended to maximize the loader’s lifespan and maintain its performance.
For increased comfort, the 644C is equipped with a spacious, ergonomic cabin. Operators can enjoy improved visibility and easy access to controls, enhancing both productivity and safety. The machine’s robust build and reliable specifications make it a strong choice for various industrial and construction applications.
Engine Performance and Power Output of the John Deere 644C
The John Deere 644C is powered by a 6-cylinder, turbocharged diesel engine, the 4045TF240, providing reliable performance for heavy-duty tasks. This engine is designed for optimal fuel efficiency while delivering high power output for demanding operations.
With a rated horsepower of 120 hp (89 kW), the engine enables smooth operation across various terrain types, whether in construction or material handling. The torque is delivered efficiently, allowing the loader to lift and transport heavy loads with ease.
The engine is paired with a fully sealed cooling system, ensuring stable temperature regulation even during prolonged use. This design helps in maintaining consistent power output, minimizing downtime due to overheating or component wear.
- Engine model: 4045TF240
- Engine type: 6-cylinder, turbocharged diesel
- Rated horsepower: 120 hp (89 kW)
- Maximum torque: 415 Nm (306 lb-ft)
- Displacement: 4.5 liters (274 cu in)
This engine is equipped with a mechanical fuel injection system, which improves combustion efficiency, reducing emissions and enhancing fuel economy. For maintenance, routine checks of the air filter, fuel system, and oil levels will ensure long-term reliability and sustained power output.
In practical applications, the engine’s responsiveness allows operators to work efficiently with minimal lag when transitioning between tasks. Whether loading materials or moving large volumes of earth, the 644C’s engine offers the necessary power and stability to handle the workload.
Hydraulic System and Load Capacity of the John Deere 644C
The John Deere 644C wheel loader is equipped with a hydraulic system designed to handle demanding tasks with ease. Its hydraulic pump delivers a flow rate of 120 liters per minute, ensuring smooth operation during lifting and loading processes. The system operates under a maximum pressure of 207 bar, providing sufficient force for lifting and pushing heavy materials.
With a lifting capacity of 4,500 kg at full reach, the 644C is well-suited for medium to heavy-duty applications. The loader’s bucket capacity ranges from 2.4 to 3.5 cubic meters, depending on the bucket configuration, offering flexibility for different job types. This load capacity, combined with a well-calibrated hydraulic system, enables operators to handle a variety of materials, from soil and gravel to heavier, denser materials.
For increased productivity, the hydraulic system features advanced control valves that allow for precise bucket movements. This improves accuracy during material handling, especially in tight or delicate operations. Operators can rely on the system’s responsiveness to achieve optimal load placement with minimal effort.
Operator Comfort and Control Features in the John Deere 644C
The John Deere 644C wheel loader prioritizes operator comfort and control, enhancing productivity and reducing fatigue during extended operations. The spacious cabin offers ample legroom and a clear line of sight, improving the operator’s awareness of the working environment. The seat is fully adjustable, with lumbar support and a suspension system that minimizes vibrations, providing a smooth experience even on rough terrain.
The joystick controls are ergonomically designed to fit comfortably in the operator’s hand, reducing strain. These controls allow for precise manipulation of the loader’s functions, including boom and bucket movement, with minimal effort. The integrated hydraulic system responds swiftly, ensuring accurate control during lifting and dumping operations.
The cab features climate control systems, which maintain a consistent temperature, regardless of external conditions, keeping operators comfortable throughout the workday. Additionally, the air filtration system ensures a clean and breathable cabin environment, reducing dust and pollutants.
The 644C includes a high-visibility display that provides essential information such as engine performance, fuel levels, and system diagnostics. This allows the operator to monitor the machine’s status without distraction. Customizable settings for the display interface further enhance user experience, enabling quick access to key data.
Overall, the combination of an adjustable seat, ergonomic controls, climate management, and clear visibility ensures that operators remain comfortable and in full control, maximizing efficiency and reducing the risk of fatigue-related errors.