Product Code: HI4-2426
Product Benefit
Extreme Semi-syn Gear Oil 75W/90 GL-5 meets or exceeds the requirements of:
EXTREME SEMI-SYN GEAR OIL 75W/90 GL-5 is a semi-synthetic heavy duty gear oil which offers outstanding high temperature and high load performance properties combined with excellent low temperature fluidity and cold flow properties, excellent corrosion protection and superior seal compatibility. It has outstanding viscosity/temperature properties, even after high mechanical shearing encountered in hypoid and other severe automotive gear applications. EXTREME SEMI-SYN GEAR OIL 75W/90 GL-5Â is recommended for the lubrication of differentials, final drives, manual transmissions, transfer cases and other gear applications where lubricants meeting MIL-L-2105D, API GL-5, MT-1 and the latest MIL-PRF-2105E or multipurpose EP type lubricants are recommended by the equipment builder.
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API GL-5, MT-1,
MACK GO-J.
US Military: MIL-L-2105C, MIL-L-2105D, MIL-PRF-2105E;
SAE J2360
EXTREME SEMI-SYN GEAR OIL 75W/90 GL-5 is recommended for the lubrication of differentials, final drives, manual transmissions, transfer cases and other gear applications where lubricants meeting MIL-L-2105D, API GL-5, MT-1 and the latest MIL-PRF-2105E or multipurpose EP type lubricants are recommended by the equipment builder.
1. What is Extreme Semi-Syn 75W/90 used for?
This semi-synthetic gear oil is used in differentials, axles, and manual gearboxes requiring high load and temperature stability.
2. How does it differ from full synthetic gear oils?
It offers many benefits of synthetics—stability, wear protection, oxidation resistance—at a more economical price point.
3. Does this oil meet GL-5 requirements?
Yes. Extreme Semi-Syn 75W/90 meets GL-5 for high-pressure gear applications.
4. Can it be used in limited slip differentials?
It can be used, but some differentials may still require a Limited Slip Additive (LSA).
5. Does it help reduce noise and wear?
Yes. The oil creates a strong protective film that prevents metal-to-metal contact under high load.
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