More power in reserve. The engines. 41 Manufacturer Model Cylinders / displacement Engine capacity at 1900 rpm LEXION 780 Mercedes-Benz OM 473 Inline 6 / 15.6 540 (405) LEXION 760 CAT® C13 Inline 6 / 12.5 503 (375) LEXION 750 CAT® C13 Inline 6 / 12.5 456 (340) LEXION 740 CAT® C13 Inline 6 / 12.5 402 (300) LEXION 730 (P) Mercedes-Benz OM 470 Inline 6 / 10.7 348 (260) LEXION 730 Mercedes-Benz OM 470 Inline 6 / 10.7 320 (239) LEXION 670 Mercedes-Benz OM 470 Inline 6 / 10.7 375 (280)