Case Study January 5, 2026 | Santa Isabel Farm
- Razors Edge Concaves – Thunderstruck Ag BR
- January 5, 2026
- Luis Eduardo Magalhães – BA, Santa Isabel Farm
- Franciosi Group
- CASE 8250
- Soybeans
- 175 ha – Pivot 13
- Tiago Zorzi
Report Objective
This report aims to present, in a technical and economic manner, the results obtained from the field demonstration of the Razors Edge concaves, comparing their performance with the original concaves (OEM), evaluating:
- Reduction of grain losses
- Reduction of impurities
- Reduction of mechanical damage to the grains
- Reduction of fuel consumption
- Increase in operational efficiency
- Direct financial impact on harvest profitability
- Economic viability of the investment
The tests were conducted according to the methodology described in the Technical Test Methodology Report below.
Evaluation Methodology
Loss samples were collected using a ScherGain Drop Pan.
Three loss samples were taken and the average was calculated between them with:
- Original concaves (OEM) – installed on a CASE 8250 machine
- Razors Edge Concaves – installed on a CASE 8250 machine
Samples were collected from 0.5 m² (Drop Pan collection area):
- Converted to loss per hectare (kg/ha)
- Total loss in the harvested area
Financial conversion considers:
- Total harvested area
- Average productivity of the area
- Total loss in the harvested area
- Market value of the sack at the time of harvest
Technical & Economic Evaluation
Technical Results
Drop Pan
Use & Benefits
The Drop Pan is ScherGain’s grain loss collection tray. It is easy to use—simply attach it under the harvester using its two electromagnets and activate it with the remote control at the ideal collection point. The tray then detaches from the harvester and collects the discharged material.
This innovative system provides safety, agility, and, most importantly, precision in the samples.
It collects the grains that fall:
- From the threshing and separation system
- From the sieves
- From the cleaning system
It allows the separation of losses from the machine’s internal (industrial) system from header losses and natural field losses. With an accurate diagnosis of where the problem is occurring, corrections can be made immediately, preventing grain loss.
Economic Feasability Analysis
Financial Analysis Losses
- Difference (bu/ac) = OEM Loss − Razors Edge Loss
- 60lb bushels saved = Difference (bu/ac) × Total area
- Total value saved = 60lb bushels saved × Price per bushel
Financial Analysis Fuel Consumption
- Difference (gal/ac) = OEM Consumption (gal/ac) − Razors Edge Consumption (gal/ac)
- Gallons saved (total) = Difference (gal/ac) × Total area (soybeans)
- Total value saved = Gallons saved (total) × Fuel price per gallon
Considerations
- 1:30 p.m.
- Sunny
- 33ºC (approximately)
- 13.8%
- 4 hours (approximately)
The settings used on the comparison harvester equipped with the OEM concave were the standard farm settings. The settings used on the harvester equipped with the Razors Edge concave were those recommended by ThunderStruck. With these settings, we were able to increase the average operating speed by 0.5 km/h, while also improving the quality and efficiency of the harvest. In this report, the benefits related to improvements in impurities and mechanical damage were not considered.
Conclusion
The field demonstration objectively proceed that the Razors Edge concaves deliver relevant technical and economic gains compared to the original concaves (OEM).
The results showed an average reduction in losses of 0.89 bu/ac, decreasing from 1.36 gal/ac to 0.47 gal/ac, which represents a direct increase in production utilization and an estimated financial impact of $38,861.89 USD across the total evaluated area.
A significant reduction in fuel consumption was also observed, decreasing from 6.19 gal/ac to 4.39 gal/ac, generating an estimated savings of $229,503.46.
Additionally, the Razors Edge concaves allowed for an increase in operational speed of 0.5 km/h without compromising harvest quality, demonstrating greater efficiency in the threshing and separation system.
It is concluded that the Razors Edge concaves provide loss reduction, operational savings, and increased efficiency, with direct, measurable, and highly attractive financial returns, making them a technically proven and economically viable solution for large agricultural operations.