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AGMA Viscosity Classification

For industrial gear oils

Description

The American Gear Manufacturing Association (AGMA) includes in their standard 9005-D94 the kinematic viscosity and performance requirements for closed industrial gearboxes. The viscosity ranges for AGMA lubricant numbers correspond with those of ASTM D2422 and ISO 3448.

Viscosity Table – Measurement data

Industrial gear oils - AGMA 9005

AGMA Lubricant No. Min. Viscosity at 40 °C [mm²/s] Max. Viscosity at 40 °C [mm²/s] Comparable ISO Viscosity Grade
0 28.8 35.2 32
1 41.4 50.6 46
2, 2 EP 61.2 74.8 68
3, 3 EP 90.0 110 100
4, 4 EP 135 165 150
5, 5 EP 198 242 220
6, 6 EP 288 352 320
7 C, 7 EP 414 506 460
8 C, 8 EP 612 748 680
8A C, 8 EP 900 1100 1000

Reference

AGMA 9005-D94

Metainformation

Reference AGMA 9005-D94
Kin. vis. yes
Dyn. vis. no
Density no
Multiple temperatures no
Related Kinematic viscosity, viscosity, industrial gear oil, lubricant, lube oil, AGMA, viscosity grade, closed gearbox