This post is bought to you by Mr7 who is telling me what to write.
Harvesters harvest grain, in a big field in a group. Because there are usually groups of them harvesting one part.
[Harvester approaches by Mostly Dans]
Harvesters pour out the grain out of the auger into a special trailer with an auger that can fold down and fold up.
[combined harvester by Mostly Dans]
[evening harvest by Mostly Dans]
There are different brands of harvesters that are John Deere, Claas, and New Holland.