A semi trailer’s bushel capacity depends on the trailer type, dimensions, and the commodity being transported. In the agricultural industry, bushels are commonly used to measure grain such as corn, wheat, soybeans, and other crops. Understanding how many bushels a semi trailer can hold helps farmers, grain haulers, and logistics companies plan transportation more efficiently.
Average Bushel Capacity of a Semi Trailer
A standard grain semi trailer typically holds:
- 900 to 1,200 bushels of corn
- 850 to 1,100 bushels of soybeans
- 800 to 1,000 bushels of wheat
The exact capacity depends on the trailer’s volume and legal weight restrictions.
Typical Grain Trailer Capacities
| Trailer Type | Capacity (Bushels) |
|---|---|
| Hopper Bottom Trailer | 900–1,200 Bushels |
| Grain End Dump Trailer | 1,000–1,400 Bushels |
| Walking Floor Trailer | 900–1,300 Bushels |
| Belt Trailer | 850–1,200 Bushels |
Bushel Capacity by Commodity
Corn
Corn weighs approximately 56 pounds per bushel. A standard grain trailer can usually transport around:
- 950–1,100 bushels of corn
Soybeans
Soybeans weigh approximately 60 pounds per bushel. Most trailers can carry:
- 850–1,000 bushels of soybeans
Wheat
Wheat also averages about 60 pounds per bushel, resulting in:
- 800–1,000 bushels per load
Factors Affecting Capacity
Trailer Volume
Larger trailers provide greater cubic capacity and can hold more grain when weight limits allow.
Weight Regulations
Federal and local highway regulations often limit the maximum gross vehicle weight, which can restrict the number of bushels transported.
Grain Density
Different crops have different weights per bushel, affecting how much can be loaded before reaching legal weight limits.
Moisture Content
Higher moisture levels increase grain weight and may reduce total bushel capacity.
Benefits of High-Capacity Grain Trailers
Improved Efficiency
Transporting more grain per trip reduces transportation costs and increases productivity.
Lower Fuel Costs
Fewer trips can lead to lower fuel consumption and operating expenses.
Increased Harvest Productivity
High-capacity trailers help move harvested grain quickly from fields to storage or processing facilities.
Choosing the Right Grain Trailer
When selecting a grain semi trailer, consider:
- Bushel capacity requirements
- Commodity type
- Weight regulations
- Route conditions
- Loading and unloading efficiency
- Trailer durability and maintenance needs
Conclusion
A typical semi grain trailer can hold between 900 and 1,200 bushels, although actual capacity varies depending on trailer design, crop type, and legal weight restrictions. Understanding bushel capacity helps farmers and transportation professionals maximize efficiency while maintaining compliance with transportation regulations.





