Determination of operating costs of some forage harvesters

摘要

The operating costs of six forage harvesters named A, B, C, D, E, F were determined in the present research. Three of them (A,B,C) are of cylinder type, two (E,F) are of fail type and one (B) is of a flywheel type. The operating costs consist of depreciation, interest, shelter, repairs and maintenance, fuel and oil. The average costs were calculated in US dollars as