PT Tri Ratna Diesel Indonesia is a company engaged in agricultural, plantation and marine machinery. PT Tri Ratna Diesel is a sister company of the Rutan Group, which has been experienced as a distributor of engine sales for more than 70 years, and PT Tri Ratna Diesel as a Sister Company is now engaged in three fields in which all three act as providers of engine production for distribution by PT Rutan. The three fields consist of Machining Center, Shipyard and Machinery.