For long time «Claas» defended the system with L-shaped mass flow of grain. With the introduction of models of Garant in 1967. CLAAS introducted "Granit" model as a first on market trailed harvester with a longitudinally direct-flow system, that was created on the technical base of Claas Mercur combine and was equipped by threshing system of self-propelled harvester.
It was often used on small farms, but could not get a higher value due to the dominance of self-propelled combine- harvesters. It was released about 1,000 of these machines during 1697-1970. CLAAS GARANT was the last trailed combine - harvester produced by CLAAS.