SENTRON CG 40 (0.93% wt ash) is specifically designed for 4-stroke cycle gas engines operating in heavy-duty applications such as co-generation, waste or sour gas, and low-halogen landfill gas operations.

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SENTRON CG 40 PLUS (0.52% wt ash) is a low-ash formulation uniquely engineered for 4-stroke gas engines operating on biogas, waste gas, and landfill gas. It is specially developed to meet the demands of current and future high-BMEP engines running on highly contaminated gas applications.