AGMA 9005 · indicative
Gearbox
Viscosity
Determine the recommended ISO VG grade for an industrial gearbox when manufacturer data is not available. Based on simplified criteria from AGMA 9005 and ISO TR 14179.
ISO VG Selection for Gearbox
Enter the equipment parameters to get the recommended grade
Nominal power at input shaft
Primary shaft speed (motor)
Simplified algorithm based on AGMA 9005-F04 and ISO TR 14179. Does not replace full thermal analysis or manufacturer technical documentation. For high-power gearboxes (>200 kW) or high operating temperatures, consult engineering.
ISO VG / AGMA Equivalence Table
For industrial gear oils (AGMA 9005).
| AGMA Grade | ISO VG | Nominal viscosity at 40 °C (cSt) |
|---|---|---|
| AGMA 1 | ISO VG 46 | 46 |
| AGMA 2 | ISO VG 68 | 68 |
| AGMA 3 | ISO VG 100 | 100 |
| AGMA 4 | ISO VG 150 | 150 |
| AGMA 5 | ISO VG 220 | 220 |
| AGMA 6 | ISO VG 320 | 320 |
| AGMA 7 | ISO VG 460 | 460 |
| AGMA 8 | ISO VG 680 | 680 |
| AGMA 8A | ISO VG 1000 | 1000 |
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