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 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