This case study shows how a large dairy farm in Santa Catarina, Brazil selected the Meidi 9QS-4500T self-propelled silage harvester to improve corn silage harvesting efficiency, crop processing quality and rainy-season field adaptability. The farm needed to harvest within a short 15-day window while handling high-moisture corn with thick stalks. Meidi provided a machine configuration focused on high-capacity harvesting, stable feeding, grain crushing and easier maintenance support.
Partner: A large-scale dairy farm in western Santa Catarina, Brazil.
Silage corn planting area: 8.46 hectares, accounting for 59% of the farm’s land.
Annual silage demand: About 700 tons of silage feed.
Solution adopted: In 2024, the farm purchased a Meidi 9QS-4500T self-propelled silage harvester.
Purpose: To replace the inefficient operation mode of traditional manual labor and small equipment.
The farm's core needs focus on tropical operational suitability, efficiency, and feed quality:
Operational efficiency requirements: The harvest window for silage corn on the farm is only 15 days, requiring at least 50 tons to be harvested per day, and matching the continuous operation rhythm of 6 transport trailers;
Tropical crop suitability: Brazilian silage corn varieties have thick stalks (about 8-10cm in diameter) and high moisture content (about 75%), requiring equipment with strong feeding capacity and precise grain crushing effect;
Environmental adaptability: The farm site is a hilly area with gentle slopes (slope ≤15°), and operations are frequent during the rainy season, requiring the self propelled silage harvester to have stable anti-slip properties and corrosion resistance.
Operational efficiency:
The Meidi 9QS-4500T self-propelled silage harvester is equipped with a 480-horsepower engine and a 4.5-meter header. In practical field use, it can reach an operating capacity of up to 100 tons per hour, with daily output of up to 600 tons, helping farms meet full-season harvesting demands.
Crop processing capability:
This forage harvester uses a drum-type chopping system and a roller-type kernel processor. It supports cutting lengths from 6 to 22 mm and achieves a kernel processing rate of 97% or higher, helping improve silage quality and feed preparation.
Field adaptability:
The drive wheels use large 750/65R26 tires, which improve traction and help the silage harvester perform more reliably on hilly and gently sloping terrain. The body coating also uses a corrosion-resistant process to help extend rust protection in demanding field conditions.
Operation and maintenance:
The machine is equipped with an air-conditioned sealed cab for comfortable operation in hot weather up to 35°C. Its wear parts are designed with standardization in mind, making them compatible with local agricultural machinery parts markets and easier to source when needed.
| Parameter | Specification |
| Model | 9QS-4500T |
| Type | Self-propelled |
| Header working width | 4450 mm |
| Overall dimension under working state (L×W×H) | 8160×4650×5870 mm |
| Theoretical chopping length | Gear 1: Short 6; Long 8 Gear 2: Short 11; Long 14 Gear 3: Short 18; Long 22 |
| Engine power | 353 kW / 480 ps |
| Rated engine speed | 1900 r/min |
| Chopping drum speed | 1140 r/min |
| Header cutting type | Disk-type cutting knife |
| Type of straw chopping mechanism | Roller type |
| Number of moving cutter | 20 pieces |
| Harvest efficiency | ≥ 28 kg/s |
| Stubble height | ≤ 150 mm |
| Throwing angle | ±90 degrees |
| Wheel base | 2710 mm |
| Loss rate | ≤ 3% |
| Drive travelling | Hydraulic drive |
| Brake type | Disk type |
| Drive wheel tread (front) | 2400 mm |
| Guide wheel tread (rear) | 2110 mm |
| Tire specification of drive wheel (front) | 750/65R26 |
| Tire specification of guide wheel (rear) | 500/60-22.5 |
| Operating speed | 2–10 km/h |
We address our clients' core pain points precisely through customized solutions:
| Item | Before Using Meidi 9QS-4500T | After Using Meidi 9QS-4500T |
| Harvest method | Manual labor and small equipment | Self-propelled silage harvester |
| Harvest window | 15 days pressure | Completed in about 7 days |
| Main crop challenge | Thick stalk, high-moisture corn | Strong feeding and grain crushing |
| Field condition | Gentle slopes, rainy season | Large tires and stable field adaptability |
| Maintenance | Higher service pressure | Training and standardized parts support |
Efficiency pain points addressed: The Meidi 9QS-4500T boasts an operating efficiency of 100 tons per hour, reducing the farm's harvest cycle from 15 days to 7 days, decreasing the working time during the harvest window by 53%, and preventing nutrient loss caused by over-ripening of crops.
Adaptation for tropical operations: For high-moisture crops, the speed difference of the grain crusher is optimized to ensure synchronous crushing of stalks and grains, resulting in feed uniformity of 92% (significantly higher than the customer's previous level of 80%).
Training services: As a professional farm machinery manufacturer, we provide technical training on equipment operation and blade adjustment to help customers use their machines more effectively and maintain them with confidence.
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The farm needed a self-propelled silage harvester that could handle high-moisture corn, thick stalks, hilly terrain, and a short harvest window. The Meidi 9QS-4500T was chosen for its capacity, grain crushing performance, and stable field operation. Its ability to handle demanding crop conditions made it a practical fit for the farm’s silage needs.
Yes. The silage harvester is designed for corn silage harvesting and supports chopping, feeding, grain crushing and high-capacity field operation.
Meidi supports overseas customers with model selection, technical communication, operation guidance and spare parts planning.
Buyers should provide crop type, farm size, terrain, expected daily capacity, harvest window, transport setup and local service requirements.
Looking for a durable silage harvester supplier? Contact Meidi to get a solution tailored to your market, crop conditions, and after-sales needs.
