This standard establis es the methodology for carrying out tests on experimental, modernized prototypes and serial production samples of trailers and semi-trailers (hereinafter trailers), both agricultural and trucks that are used in agriculture for the determination and checking your work indexes.
NC 34-54-1987 history
1987NC 34-54-1987 Agricultural Machineries and Implements. Trailer and Semitrailer. Methodology for Tests Realization