Sustainable Off-Road Machinery Design: Reducing Soil Damage through Terrain–Machine Interaction Modeling

Abstract

Off-road machinery used in forestry, agriculture, land management, construction, and field logistics must operate across deformable, sloped, wet, rooted, and otherwise sensitive terrain. While such machines are essential for industrial productivity, they can also cause soil compaction, rutting, root damage, excessive slip, high contact pressure, increased fuel consumption, and long-term reduction of terrain productivity. Sustainable off-road machinery design therefore requires more than increased engine power, larger tires, or higher load capacity. It requires a systematic understanding of terrain–machine interaction.

This article proposes an engineering framework for reducing soil damage through terrain–machine interaction modeling. The framework integrates soil bearing capacity, wheel–soil contact mechanics, root reinforcement, tire or track configuration, machine weight distribution, slip behavior, and mobility prediction into an applied design process for off-road machinery. Special attention is given to forestry machines operating on rooted soft soil and sloped terrain, where trafficability, productivity, operator safety, and environmental protection must be considered simultaneously.

The article presents a practical modeling workflow, key engineering parameters, soil damage indicators, design strategies, an illustrative evaluation matrix, and future research directions. The proposed framework supports sustainable off-road machine development by connecting terramechanics, mechanical design, simulation-based engineering, sensor-assisted monitoring, and environmentally responsible machinery optimization.