MTL® 75W80 GL-4 Gear Oil. API Service Class: GL-4 SAE Viscosity Grade (Gear Oil): 75W80 Vis @ 40°C, cSt: 50.8 Vis @ 100°C, cSt: 10.4 SAE Viscosity Grade (Motor Oil): 5W30 Viscosity Index: 201 Pour Point, °C: -50 Pour Point, °F: -58 Brookfield Viscosity @ -40°C, Poise: 120.
