CITGO Sentry Oils are a complete line of highly-refined, non-additive mineral oils for bearing and other general purpose lubrication. They are made with high viscosity index base stocks having low carbon residue and high thermal stability. Available in several viscosity grades, these oils provide good lubrication with low maintenance costs, and have the necessary characteristics to permit their use in many applications. Recommended for general lubrication of industrial machinery, machine tools, engine bearings, and other plant equipment where a non-additive mineral oil is desired.
| Sentry Oils | English |
| Grade 15 | English | Spanish |
| Grade 19 | English | Spanish |
| Grade 32 | English | Spanish |
| Grade 68 | English | Spanish |
| Grade 129 | English | Spanish |
| Grade 460 | English | Spanish |
