Bushel Plus
Bushel Plus
Bushel Plus MAD Concaves
Bish Enterprises proudly partners with Bushel Plus to offer MAD Concaves, a proven combine performance solution engineered to reduce grain loss, improve threshing efficiency, and deliver consistent harvest results across a wide range of crops and conditions.
MAD Concaves are designed for operators who want measurable performance gains without added complexity—helping capture more grain, protect sample quality, and maximize harvest productivity.
Engineered to Reduce Grain Loss
Grain loss often begins inside the combine. MAD Concaves are engineered with aggressive, precision-formed threshing surfaces that improve separation while maintaining smooth crop flow. By achieving more complete threshing earlier in the process, operators can reduce losses without over-processing grain.
This optimized performance helps ensure more of what enters the combine ends up in the tank.


Bushel Plus
High-Efficiency Threshing Performance
MAD Concaves deliver excellent cutting and threshing action through crop-specific bar geometry and precise spacing. This design allows operators to achieve cleaner separation at lower rotor speeds—reducing cracked grain while maintaining throughput.
The result is improved efficiency, better grain quality, and greater confidence when conditions change throughout the day.

Bushel Plus
Consistent, Stable Operation
Built with a rigid, reinforced structure, MAD Concaves maintain consistent positioning under heavy crop loads. This exceptional stability reduces vibration, improves balance, and ensures uniform threshing across the entire concave surface.
Consistent operation leads to predictable performance, reduced wear, and reliable results during long harvest days.
Quiet, Smooth Running
Precision manufacturing and tight tolerances allow MAD Concaves to operate smoothly inside the combine. Reduced vibration and harmonics contribute to quieter operation, less machine stress, and improved operator comfort.
Smooth crop flow and balanced performance are key indicators of an efficient harvesting system.
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