Drawbar Power (\( \text{DHP} = \frac{F \times S}{3.6} \)):

Where:

• \( \text{DHP} \) is the drawbar power, in kilowatts (kW).
• \( F \) is the force measured, in kilonewtons (kN).
• \( S \) is the forward speed, in kilometers per hour (km/hr).