Literature concerned with capacity, energy expenditure and damage of corn which occur during its displacement with a scraper and auger conveyors was analysed. On the basis of the basis of the literature analysis the aim and range of the test-stand research was specified. The main aim of these examinations was to determine values of filling coefficient - ψ for the mentioned above conveyors, used in combine harvesters. The obtained results are presented in the form of schemes and diagrams. Besides a functional estimation of these conveyors was carried out.