Abstract
Recently, Japnese farming is being highly mechanized and industrialized. However the time required for transportation is still keeping high rate among the total farm working time.
Various transportation machineries are sold and yet the most of the machineries are used under undesirable conditions.
Therefore the questionnaire regarding the use of agricultural transportation machinery was hold and through the analysis of the replies of the users, the following results were obtained.
1) The operations of agricultural transportation are classified into eight categories.
2) Many dissatisfactions with the trailers and powered 3 wheel vehicles which are used for only agriculture are found in the replies.
Most of users pointed out the problems of their noise, vibration and safety of the machines
3) Among the eight classified operations of C1-C8, there are a few desirable transportation machines in the operation case of C3 and C6, and there are no desirable conveying machines for the operation case of C8.
4) There are many dissatisfactions in relation to the damage of loaded products with the screw conveyer and the bucket conveyer which are used for conveying the bulk load of grain.
5) An example for the selection of rather suitable transporting and conveying machines is shown in Tab. 10.