Amsoil severe gear is specially formulated to exceed the performance of conventional gear oils. Offering exceptional gear and bearing protection, friction and heat are reduced to extend the service life of transmissions and differentials. Furthermore, Severe Gear is designed to operate in extreme hot and cold temperatures, improving fuel economy and shift feel.
Amsoil Severe Gear is ideal for use in punishing applications. Ideal for use in race and high horsepower applications, it is also recommended for severe applications such as towing, hauling, ploughing and other commercial applications prone to extreme service.
Performance Features
- Superior Film Strength
- Controls Thermal Runaway
- Rust and Corrosion Protection
- Helps Reduce Operating Temperatures
- Maximum Efficiency
- Long Oil, Seal & Equipment Life
For product service life in differentials, consult your owner’s manual or the Original Equipment Manufacturer (OEM) to establish the application, NORMAL or SEVERE.
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Normal Service
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Severe Service
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Cars, SUVs, Light Trucks | Drain at?100,000?miles of service or according to the owner’s manual, whichever is longer | Drain at?50,000?miles of service or according to the owner’s manual, whichever is longer |
Heavy Duty Class 8 Line Haul | Follow the OEM drain interval (miles or hours) for synthetic oil up to?250,000?miles or three years, whichever comes first. | |
Vocational/Delivery | Follow the OEM drain interval (miles or hours) for synthetic oil up to?120,000?miles or three years, whichever comes first. | |
Heavy Duty Off-Road | Follow the OEM drain interval (miles or hours) for synthetic oil up to?100,000?miles or two years, whichever comes first. |
Recommended for use in differentials, manual transmissions and other gear applications requiring any of the following specifications: API GL-5, MT-1, MIL-PRF-2105E, Dana SHAES 234 (Formerly Eaton PS-037), Mack GO-J, or the differential (hypoid) gear oil specifications from all domestic and foreign manufacturers such as GM, Ford and Daimler Chrysler. Can also be used in axles where an API GL-4 lubricant is recommended.
AMSOIL Severe Gear (75W-90)?provides superior performance and replaces competitors’ 75W-90 and 80W-90 gear oils. It delivers the best fuel efficiency and cold-temperature performance of the Severe Gear oils.
AMSOIL Severe Gear is compatible with most limited-slip differentials. If limited-slip differential chatter occurs, add AMSOIL Slip Lock? friction modifier additive.