What is the main use of the SMV (Slow Moving Vehicle) emblem on agricultural machinery?

The main use of the SMV (Slow Moving Vehicle) emblem on agricultural machinery is to signify that the vehicle is slow moving. This emblem is a crucial safety feature designed to alert other road users, particularly those driving faster vehicles, that they need to be cautious when approaching or overtaking. The emblem helps prevent accidents by providing a clear visual indication that the agricultural machinery operates at reduced speeds, which can often surprise drivers who may not expect to encounter such vehicles on the road.

Other options, while they may seem relevant, do not capture the primary purpose of the SMV emblem as effectively. Attracting attention, for instance, is a secondary effect; however, the core intent is focused on conveying the slow-moving characteristic to enhance safety on roadways. Similarly, while it might suggest certain speed limits indirectly, the emblem itself does not specify numerical road speed limits. Lastly, while the emblem identifies the type of vehicle in a way, its primary role is not identification but signaling caution regarding the speed of the vehicle.