// multi-utility computation suite · offline · instant · precise
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eng.soil-tillage-draft-force Calculator
Calculates soil tillage draft force from tillage tool geometry, soil type, and operating depth using ASABE standards. Tillage draft increases linearly with depth and quadratically with speed — tractor drawbar power determines maximum operating speed and depth combination.
Inputs
Width M
Horizontal extent perpendicular to the length.
Depth M
Vertical extent downward, or thickness of a layer. For tanks: affects pressure at the base (P = ρgh).
Soil Texture Factor
A multiplier applied in the calculation.
Speed Km H
Rate of movement. 1 m/s = 3.6 km/h = 2.237 mph.
Results
draft force F (kN)
Sample size or count used in the calculation.
required power (kW)
Reference formula or conversion factor shown for context.
specific draft (N/cm²)
Sample size or count used in the calculation.
F = Fi × W × d × (1 + 0.00009V²)
Reference formula or conversion factor shown for context.
soil factor Fi (N/m²)
A dimensionless multiplier applied in the calculation.