The Mitsubishi DT-30 is a diesel-powered engine that was produced by Mitsubishi Heavy Industries (MHI) for use in trucks, buses, and marine vessels. It has a displacement of 2973 cc (181.2 cu in) and delivers a maximum power output of 125 kW (170 ps/168 bhp) at 2300 rpm. This engine is known for its reliability, efficiency, and low maintenance requirements, making it a popular choice in its market segment. It complies with the European emission standards Euro 5 and Euro 6.