NF ISO 789-1

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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