NGEO SAE 15W-40 CES 20074 Engine Oil is a low ash, heavy duty engine oil designed for use in natural gas applications requiring Cummins CES20074, Detroit Diesel 93K216, Volvo CNG, MB 226.9 or Renault RGD quality levels. NGEO SAE 15W-40 CES 20074 Engine Oil is formulated with premium high quality Group II base oils and state of the art additives to produce a high quality finished product that provides superior engine protection and cleanliness. NGEO SAE 15W-40 CES 20074 Engine Oil is recommended in mobile applications where diesel, compressed natural gas (CNG), liquid natural gas (LNG) or propane is used to include Cummins B, C, L, and X series gas engines as well as Detroit Diesel Series gas engines.