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The K offers two Euro 6 six-cylinder engines, the 11 L DTI 11 (with a power output of 380, 430 and 460hp) and the 13 L DTI 13 (440, 480 and 520hp).
References
"Renault Trucks, le poids lourd burgien" [Renault Trucks, heavy weights from Bourg-en-Bresse] (PDF). Dossier Nº 227 (in French). Bourg-en-Bresse. 13 October 2013. p. 3. Retrieved 17 November 2013.