Self-propelled special agricultural vehicles must have **two dipped-beam headlights** at the front. These lights, also known as **low beam lights**, are essential for illuminating the road ahead of the vehicle without dazzling other drivers. They are white in color and are mandatory for various types of vehicles, including cars.


The main function of these lights is to ensure that the road ahead is well-lit, which is crucial for driving safety, especially in low visibility conditions. Therefore, it is necessary for these agricultural vehicles to have **two lights at the front** to comply with road safety regulations.