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What are the model specifications of gear oil?

1 Answers

DeJoseph

07/30/25 5:33am

Gear oil model specifications: 1. GL-1: GL-1 grade gear oil is specified for automotive spiral bevel gears, worm-type drive axles, and various manual transmissions operating under low tooth surface pressure and low sliding speed conditions. 2. GL-2: For automotive worm-type drive axles where GL-1 gear oil cannot meet requirements due to load, temperature, and sliding speed conditions, GL-2 grade gear oil is specified. 3. GL-3: GL-3 grade oil is specified for automotive manual transmissions and spiral bevel gear drive axles with relatively harsh sliding speeds and loads. 4. GL-4: GL-4 grade gear oil is specified for various gears operating under low-speed high-torque and high-speed low-torque conditions, especially hypoid gears used in buses and other vehicles. 5. GL-5: GL-5 grade gear oil is specified for various gears operating under high-speed shock loads, high-speed low-torque, and low-speed conditions, particularly hypoid gears used in buses and other vehicles. 6. GL-6: GL-6 grade gear oil is specified for various gears in cars and other vehicles operating under high-speed shock conditions, especially hypoid gears with large offset distances (greater than 50nm or close to 25% of the large gear diameter).

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