Gearbox Oil Qualification Testing

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 gravityD287 (DIN 51757) 
Kinematic Viscosity D445 (DIN EN ISO 3104) 
Viscosity IndexD2270 (ISO 2909) 
Pour PointD97 (ISO 3016)
Channel PointFTM-3456
Flash PointD92 (DIN EN ISO 2592)
Low Temp Brookfield ViscosityD2983
Water ContentD4377/D6304 (ISO 3733)
Water SeparationD1401 (ISO 6614)
Total Acid NumberD974/D664 (DIN 51558-1)
Oxidation Stability D2893
Total Acid NumberD974/D664 (DIN 51558-1)
Oxidation Stability D2893
Precipitation Number D91
FoamingD4921 (ISO 6247)
3-hr Copper Strip CorrosionD130 (DIN EN ISO 2160)
Rust test (A & B)D665 (ISO 7120)
Oxidation TestingS200
DemulsibilityD2711
Four-Ball EP test D2783
Four-Ball Wear Test D4172
Timken Load Area Test D2782
FZG-Four Square Gear TestFZG
Anti-seizure characteristics FZG (DIN51354-2)
Anti-wear characteristics FE8 (DIN51819-3) (not currently available)
Seal Compatibility Testing DIN53538
 
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