Qualification testing for gearbox oils and lubricants.
When interpreting gearbox lubricant analysis, Intertek laboratories test for many key quality indicators. Routine gearbox lubricant condition monitoring tests can provide early warning of impending failures and help mitigate expensive downtime and repairs.
Gearbox lubricant condition tests include
| API gravity | D287 (DIN 51757) |
| Kinematic Viscosity | D445 (DIN EN ISO 3104) |
| Viscosity Index | D2270 (ISO 2909) |
| Pour Point | D97 (ISO 3016) |
| Channel Point | FTM-3456 |
| Flash Point | D92 (DIN EN ISO 2592) |
| Low Temp Brookfield Viscosity | D2983 |
| Water Content | D4377/D6304 (ISO 3733) |
| Water Separation | D1401 (ISO 6614) |
| Total Acid Number | D974/D664 (DIN 51558-1) |
| Oxidation Stability | D2893 |
| Total Acid Number | D974/D664 (DIN 51558-1) |
| Oxidation Stability | D2893 |
| Precipitation Number | D91 |
| Foaming | D4921 (ISO 6247) |
| 3-hr Copper Strip Corrosion | D130 (DIN EN ISO 2160) |
| Rust test (A & B) | D665 (ISO 7120) |
| Oxidation Testing | S200 |
| Demulsibility | D2711 |
| Four-Ball EP test | D2783 |
| Four-Ball Wear Test | D4172 |
| Timken Load Area Test | D2782 |
| FZG-Four Square Gear Test | FZG |
| Anti-seizure characteristics | FZG (DIN51354-2) |
| Anti-wear characteristics | FE8 (DIN51819-3) (not currently available) |
| Seal Compatibility Testing | DIN53538 |
Gear Box Oil and Lubricant Testing:
