AMSOIL SEVERE GEAR® 80W-90 100% Synthetic Gear Lube
SEVERE GEAR is designed for those who demand the best. Engineered with high film strength for high-load demands. Reduces friction and provides the ultimate protection against wear. Excels in extreme temperatures. Helps maintain efficiency and outperforms conventional gear oils. Excellent for all cars and trucks, but especially well-suited for towing, hauling, racing, commercial use or other severe duty.
Delivers excellent performance in hot and cold temperature extremes.
Resists breakdown from high heat, preventing acids and carbon/varnish formation.
Wax-free construction improves cold-flow properties, improving fuel economy and cold-weather shifting.
MAXIMUM WEAR PROTECTION
Specifically engineered for maximum performance in severe-duty applications.
Maintains viscosity for long-lasting protection against metal-to-metal contact.
Proprietary AMSOIL additives form an iron-sulfide barrier coating on gear surfaces, providing the ultimate line of defense against wear, pitting and scoring.
Helps prevent "thermal runaway," a phenomenon caused by a lubricant’s inability to control friction and increased heat under high-stress conditions.
Inhibits rapid lubricant degradation and component damage, helping equipment run better and last longer.
*All trademarked names and images are the property of their respective owners and may be registered marks in some countries. No affiliation or endorsement claim, express or implied, is made by their use.
I don’t know if it’s just a sense of security because I swapped out the unknown fluid in the rear end of my RX7 with Amsoil. But I feel like this fluid really helped smooth things out in the rear end.
I recently used AMSOIL Severe Gear 80w-90 to replace the rear end oil in my electric golf cart. While the manufacturer recommends SAE30 for this application, I just couldn’t bring myself to use MOTOR oil for GEARS. The Easy Pack packaging is incredible and very easy to use. Despite not putting it to the maximum test, it’s been working perfectly so far. I referred to viscosity charts and chose the closest option I could weight-wise to the recommended SAE30. Overall, it’s been a great choice for my needs.
Bottom Line
Yes, I would recommend this to a friend.
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5 star rating
1967 kaiser jeep trans
By 
STUART, 
a 
Verified Buyer 
from 
central indiana 
on 
March 04, 2024
my kaiser M715 shifts better now that it ever has especially in cold weather, 11k miles on it. I also run amsoil in my 2014 ram 2500 4x4 automatic diesel,125,000 miles on it
Best lubricate available! My son put me onto AMSOIL over 25 years ago. I use it on all my equipment on the ranch. Trucks, tractors, feed wagons, 4 wheelers and gear boxes. I've had two run around little pickups that I put over 400,000 miles on running on all kinds of roads dirt, gravel and paved. And only changed the oil every 25k miles. Even on my tractors I have been able to double the hours before changes. Yes American runs on Freedom and that's not Maga it's real AMERICANS that run on AMSOIL !
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