supply of brushless alternator 25 kw ( without erru / rru ) , 110 v, v-belt driven and bogie mounted complete, conforming to rdso specification no. rdso / pe / spec / ac / 0056-2014 ( rev 1 ) . however, the firms may quote for latest specification / drawing with amendment if any issued by rdso / icf / rcf. the successful tenderer shall supply spare keys equivalent to 50% of ordered quantity of brushless alternators i.e., one spare key for two alternators.brushless alternator 25 kw ( without erru / rru ) , 110 v, v-belt driven and bogie mounted complete, conforming to rdso specification no. rdso / pe / spec / ac / 0056-2014 ( rev 1 ) . however, the firms may quote for latest specification / drawing with amendment if any issued by rdso / icf / rcf. the successful tenderer shall supply spare keys equivalent to 50% of ordered quantity of brushless alternators i.e., one spare key for two alternators., brushless alternator 25 kw ( without erru / rru ) , 110 v, v-belt driven and bogie mounted complete, conforming to rdso specification no. rdso / pe / spec / ac / 0056-2014 ( rev 1 ) . however, the firms may quote for latest specification / drawing with amendment if any issued by rdso / icf / rcf. the successful tenderer shall supply spare keys equivalent to 50% of ordered quantity of brushless alternators i.e., one spare key for two alternators. [ warranty period: 30 months after the date of delivery ]