การทดสอบคุณสมบัติของน้ำมันเกียร์

1. Four Ball EP ASTM D2783
2. Four Ball Wear Test ASTM D4172
3. Falex Continuous Load ASTM D3233
4. FZG ASTM D5182, DIN 51 354
5. Timken EP Test ASTM D2783
6. Water Separability Characteristics of Petroleum and Synthetic Fluid ASTM D1401
7. Demulsbiluty Characteristics of Lubricating Oils ASTM D2711
8. Copper Strip Corrosion Test ASTM D130
9. Turbine Oil Rust Test ASTM D665
10. Foam Test ASTM D892