The letter "a" in the name of oil M-10G2k means that the oil is for diesel engines silnoforsirovannyh KamAZ and tractors K-701. It is also used in modern cars ZIL and buses "Ikarus".
Oil M-10G2k recommended for use in high-speed diesel engines, operated on distillate fuel with a mass fraction of sulfur to 0.5%, as well as in small and medium-speed marine diesel engines with a larger diameter of the cylinder and the mass fraction of sulfur in fuels to 1.5%.
Oil M-10G2k viscosity corresponds to SAE 30, API in performance corresponds to CC class.