ISO 789-1:1990
Agricultural tractors — Test procedures — Part 1: Power tests for power take-off
This part is the first of a series of eight. Specifies procedure for determining the power available at the power take-off, drawbar and belt pulley on tractors. Contains definitions and permissible measurement tolerances. Annex A includes a specimen test report. The measurement of tyre tread is given in annex B.
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