Engine Testing > Lubricants Testing > API Licensing and Certification Tests

API Engine Oil Licensing and Certification

Intertek AR provides API licensing and certification tests for engine oils and lubricants.

Test Method	Test Description
D 6557	Ball Rust Test (BRT, TMC Calibrated)
D 5968	Corrosion Bench Test (CBT, TMC calibrated)
D 6594	High Temp Corrosion Bench Test (HTCBT, TMMC Calibrated)
D 5133	Gelation Index (TMC calibrated)
D 6278	Shear Stability of Fluids (Kurt Orbahn) - 30 Cycles
D 7109	Shear Stability of Fluids (Kurt Orbahn) - 30/90 Cycles
D 6795	Engine Oil Filterability Test (EOFT, TMC Calibrated)
D 6794	Engine Oil Water Tolerance Test (EOWTT, TMC Calibrated)
D 6335	TEOST 33C Test (TMC Calibrated)
D 7097	TEOST MHT Test (TMC Calibrated)
D 5800	Volatility, NOACK (TMC Calibrated)
D 6417	Volatility Simulated Distillation (TMC Calibrated)
D 6922	Homogeneity & Miscibility (H&M)
D 892	Foaming Tendency/Stability Seq. I-III
D 6082	High Temp Foaming Tendency/Stability
D 4951	Phosphorus Content by ICP
D 2622	Sulfer Content by WDXRF
D 445	Kinematic Viscosity (for J300 Viscosity Grade)
D 4683	High Temp High Shear Viscosity @ 150°C (for J300 Viscosity Grade)
D 4684	MRV-TP1 Viscosity at J300 Grade Temperature
D 5293	CCS Viscosity at J300 Grade Temperature