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Analysis of structure and dynamic characteristics for an electric tractor platform
Seung-Min Baek1, Min-Jong Park2, Hyeon-Ho Jeon1,2
1Eco-friendly Hydrogen Electric Tractor & Agricultural Machinery Institute, Chungnam National University, Daejeon, 34134, Republic of Korea.
Scientific Reports
|July 23, 2026
Summary
Electrified agricultural tractors with modular frames show structural feasibility. Despite localized stress, the design meets safety needs for typical farm work, paving the way for electric machinery.
Area of Science:
- Agricultural Engineering
- Mechanical Engineering
- Structural Analysis
Background:
- Electrification of agricultural tractors necessitates new platform designs, moving from engine-integrated structures to modular frames.
- This shift impacts vehicle architecture, mass distribution, and load paths, requiring structural re-evaluation.
Purpose of the Study:
- To perform a structural assessment of a modular electrified tractor platform.
- To evaluate structural strength, static stiffness, and free vibration characteristics.
- To compare dynamic characteristics with a conventional diesel tractor platform.
Main Methods:
- Developed a comprehensive finite element model of the electrified tractor platform.
- Simulated worst-case loading conditions: impact, braking, and implement loads.
- Conducted comparative modal analysis between electrified and diesel tractor platforms.
Main Results:
- Identified localized stress concentrations under severe impact and braking loads.
- Confirmed sufficient global bending and torsional stiffness in the modular frame.
- Observed reduced natural frequencies due to increased mass, but modes remain separated from operational excitations.
Conclusions:
- The modular frame architecture demonstrates structural feasibility for electrified tractors.
- The design satisfies safety requirements for typical agricultural operations.
- Provides a foundational basis for future electrified agricultural machinery development.
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