Three subsequent locos which followed at the end of the year were fitted with two C8T engines , total rating 700 BHP .
The prototype delivered in August 1972 had two C6T engines with a total rating of 556 BHP .
Three subsequent locos which followed at the end of the year were fitted with two C8T engines , total BHP 700 BHP .
The prototype delivered in August 1972 had two C6T engines with a total rating of 556 BHP .