Known as the "Sirius Diesel", the 4D68 version displaced 1998cc. It was fitted with a 93mm stroke crankshaft and the cylinder bore diameter was 82.7mm. This engine used pistons with a static compression ratio of 22.4:1 and piston pins were 25mm OD. It was available either naturally aspirated or turbocharged, and replaced the 4D65 as Mitsubishi's "go-to" diesel.
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