Based on the given description, it seems to be a statement or a caption for a video or a photo showing bulldozers at work on a piece of land that is likely being prepared for the cultivation of palm oil. The specific type of bulldozer being used is mentioned as D6R XL, which is a model manufactured by Caterpillar Inc.

It is common practice in the palm oil industry to clear large areas of land by using heavy machinery like bulldozers, in order to make way for oil palm plantations. However, this method of land preparation is controversial because it often involves the clearing of natural forests or other ecosystems, which can have negative environmental impacts and contribute to deforestation.