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Determination of Tractor Engine Oil Change Interval Based on Material Properties
Vladimír Hönig1,2, Petr Procházka3, Michal Obergruber1
1Department of Chemistry, Food and Natural Resources, Faculty of Agrobiology, Czech University of Life Sciences Prague, Kamýcká 129, 169 21 Prague 6, Czech Republic.
Materials (Basel, Switzerland)
|December 2, 2020
Summary
Determining the optimal motor oil change interval for tractors is crucial for preventing costly harvest disruptions. This study analyzes oil condition to establish scientifically-backed replacement schedules, minimizing equipment downtime and crop loss.
Area of Science:
- Agricultural Engineering
- Tribology
- Lubricant Analysis
Background:
- Non-road mobile machinery (NRMM), particularly tractors, rely on optimal motor oil performance.
- Degraded motor oil can lead to engine failure, especially critical during peak agricultural seasons.
- Establishing appropriate oil replacement intervals is essential for machinery longevity and operational efficiency.
Purpose of the Study:
- To determine the optimal motor oil replacement interval for tractors.
- To assess the condition of used motor oils from tractor engines.
- To quantify the economic impact of tractor downtime during harvest.
Main Methods:
- Analysis of physical properties using conventional instruments.
- Quantification of metals, contaminants, and additive elements via optical emission spectrometry.
- Determination of water, fuel, glycol, and degradation products (oxidation, nitration, sulfation) using infrared spectrometry.
Main Results:
- Measured oil parameters were compared against established limit values.
- Comprehensive assessment of the overall condition of used motor oils was performed.
- Optimal oil exchange intervals were determined based on analytical data.
Conclusions:
- The study provides a data-driven approach to optimizing motor oil maintenance for tractors.
- Implementing recommended oil change intervals can mitigate risks of premature engine failure.
- Preventing tractor downtime during harvest significantly reduces potential crop loss and associated economic impact.
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