CAN/BNQ 1811-300-M91

This National Standard of Canada is equivalent to International Standard ISo 789/1-1981. It specifies test procedures for determining the power avail[Cable at the power take-off, drawbar and belt pulley on agricultural tractors of the wheeled, track-laying or semi-tracklaying type. It is permissible for the p.t.o. power test or the drawbar test to be applied alone or in combination. NOTEs 1 Extended runs at high power are included to check the ability of the tractor to withstand such conditions. 2 The power rating of the tractor shall be stated as the value measured at the p.t.o. In the case of a tractor not equipped with a p.t.o., the power at the drawbar can be used, providing the fact is clearly stated.