Self-propelled silage harvester

With the rapid development of China's agricultural economy, traditional manual labor has become a major obstacle to the advancement of efficient and modern agriculture. To meet the growing demands of the agricultural sector, especially in animal husbandry, the 4QZ-5.0 self-propelled silage harvester, developed by Beijing Dele Machinery Factory, offers an innovative solution that significantly improves productivity and efficiency in crop harvesting. This advanced machine is designed with a rational structure, powerful performance, and user-friendly operation. It features simple controls, easy maintenance, and reliable performance, making it ideal for cutting, chopping, and loading high crops such as corn, sorghum, and other similar plants. The harvester is equipped with a hydraulically adjustable discharge port, allowing operators to adjust the direction of the crop ejection at any time, ensuring smooth feeding into the transport vehicle. Additionally, the reel height can be adjusted according to the crop’s height, while the cutting knife can be fine-tuned based on user requirements and field conditions. All key mechanisms—harvesting, conveying, chopping, and spraying—are pre-adjusted and fixed before leaving the factory, eliminating the need for additional user adjustments. The shredder blades are made from special steel, offering superior durability and long service life. The machine can operate continuously throughout the harvesting season, maximizing its utilization rate. Unlike traditional line-based harvesters, the 4QZ-5.0 is non-lineage, meaning it is not restricted by row spacing or cutting width. It can enter the field independently and operate efficiently even when dealing with large volumes of crops. In case of overfeeding, the clutch and retracting device allow for quick adjustment, preventing blockages and ensuring smooth operation. The main technical specifications include a feed section length of 15–40 mm, powered by a 136-horsepower diesel engine. The machine measures 6.8 meters in length, 2.3 meters in width, and 3.8 meters in height, weighing 5.8 tons. Its 2.6-meter-wide harvesting platform can simultaneously process up to four rows of green crops. With a working efficiency of 30–50 tons per hour, it is highly efficient. The harvested crops range from 0.6 to 4 meters in height, with a stubble height of 0.05 to 0.1 meters, which does not interfere with the growth of lower crops. The chopping system ensures a high-quality cut, with the straw being rolled and cut after seven passes. The resulting chopped material is short, fluffy, and ready for immediate storage without any additives. This makes it an excellent feed for cattle and sheep, further enhancing its value in the agricultural industry.

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