Marinediesel 6.5L engines are certified to meet specific emissions and power with certification fuel; however Marinediesel 6.5L engines can operate unmodified with the fuels below.
- ASTM D 975
- NATO F75, F76
- Marine distillates DMX, DMA
Marinediesel 6.5L engines can operate on other fuels but these require engine modifications that are available as option:
- Jet A
VGT series can operate on fuel EN590