combine harvester
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The first combine harvester designed for European conditions was developed by the German firm CLAAS in the 1930s. In 1953, the same firm began producing the first self-propelled harvester. The combine harvester is so-called because it is both a grain-harvesting machine and a threshing machine. The same machine cuts, threshes, and cleans the grain in one operation.
Machine used for harvesting cereals and other crops, so called because it combines the actions of reaping (cutting the crop) and threshing (beating the ears so that the grain separates).
A combine, drawn by horses, was first built in Michigan in 1836. Today's mechanical combine harvesters are capable of cutting a swath of up to 9 m/30 ft or more.
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