Phillips 66 Lubricants' CNG engine oils, including Guardol NG and Kendall Super-D NG, can be used in compressed natural gas (CNG) or liquefied natural gas (LNG) powered heavy duty trucks as well as other natural gas powered heavy duty mobile equipment. Features enhanced wear protection specifically for diesel-conversion natural gas engines. Formulated to deal with CNG-specific issues including temperature and oxidation control, balanced ash content to prevent valve stem deposits and reduce valve seat recession, shear stability and exhaust after-treatment protection. Approved for the Cummins CES20074 and Detroit Diesel 93K216 specifications.
