Formulated for the severe operating conditions of today's pick-up trucks, SUVs, heavy equipment and other hard working vehicles.
AMSOIL SEVERE GEAR® Synthetic Extreme Pressure (EP) Lubricants are premium grade gear oils specifically engineered for maximum performance in severe duty applications. These state-of-the-art AMSOIL formulations feature an exclusive blend of high viscosity, shear stable synthetic base oils and an extra treatment of high-performance additives.
Package sizes include:
1-Quart Bottle
1-Quart Bottles (case of 12)
5-Gallon Pail
16-Gallon Keg
30-Gallon Drum
55-Gallon Drum
AMSOIL SEVERE GEAR® Synthetic EP Lubricants are excellent for severe applications, such as towing, hauling, steep hill driving, commercial use, plowing, racing, off-road use, rapid acceleration, frequent stop-and-go operation and high ambient temperatures.
Higher horsepower, towing and hauling capabilities of modern vehicles make turbo diesel pick-ups, SUVs, vans and delivery/utility vehicles especially prone to severe service. Other severe duty vehicles include light, medium and heavy-duty trucks, buses, heavy equipment, 4X4s, tow trucks, race cars, tractors, and motorhomes.
AMSOIL SEVERE GEAR® Synthetic Extreme Pressure (EP) Lubricants are premium grade gear oils specifically engineered for maximum performance in severe duty applications. These state-of-the-art AMSOIL formulations feature an exclusive blend of high viscosity, shear stable synthetic base oils and an extra treatment of high-performance additives. AMSOIL SEVERE GEAR® Synthetic EP Lubricants maintain their viscosity for long-lasting protection against metal-to-metal contact. The proprietary AMSOIL additives form an iron-sulfide barrier coating on gear surfaces, providing the ultimate line of defense against wear, pitting and scoring. AMSOIL SEVERE GEAR® lubricants help prevent "thermal runaway" - a phenomenon caused by a lubricant's inability to control friction and increased heat under high-stress conditions. By controlling thermal runaway, AMSOIL SEVERE GEAR® Synthetic EP Lubricants inhibit rapid lubricant degradation and component damage. Equipment runs better and lasts longer with AMSOIL SEVERE GEAR® Synthetic EP Lubricants.
AMSOIL SEVERE GEAR® provides performance beyond that possible with conventional gear oil. These AMSOIL custom products offer superior gear and bearing protection, better friction and heat reduction, increased efficiency and extended service life.
• Superior Film Strength
• Controls Thermal Runaway
• Rust and Corrosion protection
• Reduced Operating Temperatures
• Improved Efficiency
• Longer Oil, Seal, & Equipment Life
AMSOIL SEVERE GEAR® EP lubricants excel in hot and cold temperature extremes. By design, they resist breakdown from high heat, preventing acids and carbon/varnish formation. Their waxfree construction also improves cold flow properties, improving fuel economy and cold weather shifting.
For product service life in differentials, consult yourowner’s manual or the Original Equipment Manufacturer(OEM) to establish the application, NORMAL or SEVERE.
| . | NORMAL | SEVERE |
| Cars, SUV, Light & Medium Duty 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 3 years, whichever comes first. Otherwise, drain at twice the OEM interval for conventional oil. | |
| Heavy Duty Off-Road Vocational | Follow the OEM drain interval (miles or hours) for synthetic oil up to 120,000 miles or 1 year, whichever comes first. Otherwise, drain at twice the OEM interval for conventional oil. | |
For product service life in non-differential applications,consult owner’s manual or the OEM for either normal orsevere synthetic oil service intervals. Where service intervalsare unavailable, drain at twice the interval for conventionaloil.
Gear oils should be changed more frequently when operatingvehicles or equipment in dusty or dirty conditionsunless the gear system is properly sealed and equippedwith membrane type breathers.
Note: AMSOIL does not support extended drain intervalswhere water contamination occurs. Check and service thegear oil frequently when water contamination is possible.
Recommended for use in differentials, manualtransmissions and other gear applications requiring anyof the following specifications: API GL-5, MT-1,MIL-PRF-2105E, Dana SHAES 234 (Formerly EatonPS-037), Mack GO-J, or the differential (hypoid) gear oilspecifications from all domestic and foreign manufacturers such as GM, Ford and Daimler Chrysler. Can also be usedin axles where an API GL-4 lubricant is recommended.
AMSOIL SEVERE GEAR® (75W-90) provides superiorperformance and replaces competitors’ 75W-90 and 80W-90 gear oils. It delivers the best fuel efficiency and cold temperatureperformance of the SEVERE GEAR oils.
AMSOIL SEVERE GEAR® is compatible with conventionaland synthetic gear oils. Mixing AMSOIL gear oils with otheroils, however, will shorten the oil life expectancy and reducethe performance benefits. AMSOIL does not supportextended drain intervals where oils have been mixed.Aftermarket oil additives, other than those specified byAMSOIL, are not recommended for use with AMSOIL gearoils.
AMSOIL SEVERE GEAR® is compatible with most limited slip differentials. If limited slip differential chatter occurs, add AMSOIL Slip-Lock™ friction modifier additive.
This product is not expected to cause health concerns when used for the intended application and according to the recommendations in the Material Safety Data Sheet (MSDS).
Click here to view the MSDS Data Sheet for AMSOIL SVG.
Keep out of the reach of children. Don't pollute. Return used oil to collection centers.
| TYPICAL TECHNICAL PROPERTIES | |
| AMSOIL SEVERE GEAR® Synthetic Extreme Pressure (EP) Lubricant 75W-90 (SVG) | |
| Kinematic Viscosity @ 100°C, cSt (ASTM D-445) | 16.9 |
| Kinematic Viscosity @ 40°C, cst (ASTM D-445) | 114.7 |
| Viscosity Index (ASTM D-2270) | 161 |
| Brookfield Viscosity, cP (150,000 Max) @-40°C | 69,420 |
| Flash Point, °C (°F) (ASTM D-92) 150°C Min. | 210 (410) |
| Pour Point, °C (°F) (ASTM D-97) | -48 (-54) |
| Copper Corrosion (ASTM D-130) 1b Max @ 121 °C (250°F) / 3hr | 1b |
| Falex Procedure B (ASTM D-3233) (failure load, lbf.) | >3500 |
| Foam Stability (ASTM D-892) (20/50/20 maximum) | 0/0/0 |
Product Name: 75W-90 Severe Gear® Synthetic Extreme Pressure Lubricant (SVG)
Current Rating: 4.93out of 5 stars
Votes & Reviews: 57 vote(s) and 56 user reviews.
Reviewed by Tundoo tower: 
I bought a case of this to replace what is in the rear end of my tundra and it is a great product. The truck tows frequently (3x a month for 100 miles at a time) and I wanted to have a quality oil in there.
Reviewed by Brandon copp:
I w been using the 75w-90 severe gear in my dirt track race car. I've never seen any abnormal wear or damage to a set of gears in the two years I've used it
Reviewed by GreenMachine:
Used this in transfer case and diffs of a 2013 FJ Cruiser for 30k miles. Vehicle is daily driver and upgraded and abused off road. Stock fluid after 30k was dark and separated in appearance. After 30k with AMSOil Severe Gear, the front diff AMSOil fluid looked almost new with significantly reduced metal shavings. The rear looked only lightly used with once again significantly fewer metal shavings. I highly recommend this fluid!
Reviewed by John R.:
I have used this product on applications calling for 75W-90 on Ram/Chevy/GMC trucks & SUV'S. To date I have been using this product for about 17 years and with no issues. Thank you.
Reviewed by Dman:
The best oil made
Reviewed by White line fever:
It does what I expect from the best
Nuff said.
Reviewed by Duramax pro:
I love this gear oil best gear oil I've ever used
Reviewed by Younggun466:
I run this in my 95 k1500 front and back diffs and my 05 2500hd duramax front and back diffs. Great stuff works very well I've never had an issue.im happy to know I have the best protection from the elements so it's peace of mind running this stuff.
Reviewed by Turboguy:
This is a great gear oil . Can't go wrong with this product.
Reviewed by DIYer:
Replaced OEM front and rear differential fluids of a new 2017 AWD Subaru Outback, and refilled with this 75W-90 product at approximately 3000 miles. With OEM fluids, an infrequent driveline 'clunk' used to occur when making tight (e.g., U-) turns. This behavior has NOT occurred (in over 2500 miles) since after refilling with Amsoil's synthetic Severe Gear differential oil.
For our vehicle, changing out the differential fluid shortly after 'breaking-in' the differentials seemed to be a good choice (judging by the drain plug magnet debris). I obviously can't comment about product longevity, but with the elimination of an infrequent driveline 'clunk', we're extremely pleased thus far!
Reviewed by Adam:
Used for rear gear oil changed in 2005 Chevy Duramax. Works as described have used before and was pleased with Performace when towing boat, looking forward to the future performance of severe gear oil.
Reviewed by Frank the tank:
Replaced the factory fill with two quarts of severe gear.
Reviewed by Emitt:
As with all other AMSOIL products that I use in everything I love it and recommend all their products to everyone who cares about their investments.
Reviewed by eric:
Working good. Truck pulls 15000lb camper 90% of the miles.
Reviewed by Vet head:
Performs great.
Reviewed by Barf:
this stuff rules my roost
Reviewed by Sam:
I haven't been using amsoil for long, but I have been happy with everything I've purchased so far. Will continue to use amsoil fluids throughout our vehicles.
Reviewed by Tom m:
I had a hundred twenty five thousand miles on a truck I bought changing rear end oil was only natural Amsoil was my first choice and only
Reviewed by Dante:
I use this in my from and rear axles on my Toyota 4x4 and my Arm's. Have used this stuff for many years and love it
Reviewed by Big D:
Works great. Pick up shifts quietly and the interval for changing the transfer case makes it a great value. Just don't get it spilled on anything clothing you like.
Reviewed by Clint the shade tree:
I use this product in all my vehicles. Wouldnt trust anything else. You get what you pay for and pay for what you get. Great stuff!
Reviewed by Sfa:
Excellent product for differential protection
Reviewed by Brian:
Great product ,great price
Reviewed by deuce:
I use 100% amsoil products. I have a modified camaro ZL-1 with 940 HP at the crank. The gear lube and engine perform flawlessly. I maintaing at least 3 to 4 lbs more oil pressure throughout the life of the oil. I will never switch brands.
Reviewed by Opie:
I've just did the second diff service on my Toyota Tundra. The oil that came out still looked brand new after 30000 miles. I'll go longer on the next service for sure.
Reviewed by Ironman:
This stuff is great.
Reviewed by Jamie1177:
Amsoil does not control friction modifier, so if you have a limited slip diff don't use the gear oil alone!!!!!!
Reviewed by Bobtam:
Been using this in my Z06 Corvette for a few years with some track time and very happy with the product. No need for a limited slip additive. Changing it this spring.
Reviewed by Timchenko Dimitri:
Great oil!
Reviewed by Calif. Buckeye:
I use AMSOIL for everything because AMSOIL is what is called a Reference oil. An oil that all other oil Mfr's aspire to be like. A bench-mark oil. Would not, could not use anything else!!!
Reviewed by Andrew:
Every time someone asks what i put in my Differential's & Transfer Case, I tell'em AMSOIL.
Reviewed by Scott:
My front and rear diffs love this stuff !! Temps dropped considerably after swapping to this !!
Reviewed by Zach:
Use this amazing gl5 gear oil from the diffs in my duramax to the diffs in my 600whp Mitsubishi Evo. They are always ready for the challenge!
Reviewed by Rabbit:
Pull a 21000 lb fifth wheel about 20 percent of the time. Installed this in my differentials (4x4) at 30,000 miles and changed it again at 150,000 miles. Old fluid looked and smelled just like the new Amsoil I replaced it with. No metal on magnets no seal leaks. My truck's fluids are all Amsoil. Great products and so is the service.
Reviewed by Lou:
Always performs well and has protected my gears for literally hundreds of thousands of miles with never a failure.
Reviewed by DANIEL:
Best gear oil for my outboard
Reviewed by Steven:
It works as advertised Great product.
Reviewed by Mac:
I own a 2002 4 wheel Drive Chevy Tahoe. I'm a Tournament Fisherman, and I use my Tahoe to tow Thousands of Miles every year. I have Always used AMSOIL Series 3,000 5W/30 in the engine, and also use AMSIOL Severe Gear 75/90 in Both Front and Rear Differentials Without ever having any driveline Problems with my 14 year old Chevy.
Reviewed by David:
Put this in my 1995 Corvette differential with limited-slip clutch packs. 10,000 miles so far and no issues. I purchased the AMSOIL synthetic product for its superior quality and long service life... will last longer and protect my vehicle better than conventional, so in the long run it's definitely worth the added cost.
Reviewed by Claudius:
I installed the Severe Gear Oil in my 2013 Toyota Tacoma TRD Sport 4x4 and it works great. I put in my transfer case as well.
Reviewed by Timothy:
Used this in my air cooled 911 trans. Much more smooth shifting.
Reviewed by Leon:
Bought this for a complete rebuild on my 2005 Dodge Ram 3500. I have about 1000 miles on it and it is still clear in the sight glass. Sounds a tad better too.
Reviewed by Larry:
I just used this product in the transfer case and front and rear differentials of an AWD Infinity.
Reviewed by Flash.:
Used in a off road truck. no failures, change every 30,000 miles and is still clear as a bell.
Reviewed by Toneup:
Used gear lube in transfer case in 2013 Acura RDX AWD. Working great.
Reviewed by WayneO:
I have used Amsoil products in my entire driveline of all of my vehicles and equipment for years. I run Severe Gear in the transfer case and both differentials of my truck, and the rear differential of my high horsepower car. The benefits are: smoother and quieter operation, especially in cold weather; 1-2 mpg increase; much better protection. I do not use extended drain intervals, but there is always that option. I'm picky about my vehicles, I use this for the protection, better operation, and peace of mind.
Reviewed by Bam!!! There's the boss:):
My new F-150 only has 15k on it now and I still haven't changed the front axle but I did switch the rear over to 75-140 at 10k. Had a ford ranger that I bought new and switch it's rear to amsoil at about the same mileage. I used it for my lawn service runner. It was over loaded it's whole life up until 102,000 when I was hit and they totaled it. I sold that rearend to another guy that was going to rebuild it with a spool and deeper gears. He called me back and said it looked like brand new inside. Pretty amazing considering what that truck went through.
Reviewed by PaulT:
I have been using this product in all my vehicles, and have nothing but rave reviews. The product keeps the gears quiet, and it still looks clean at every chnage interval.
Reviewed by Luke Bausum:
I had got it to replace the old diff oil in both differentials in my 2002 Chevy Blazer LS, it works great, it accelerates smoother/ faster than the old oil, and it the vehicle had over 200,000 miles on it when I changed it, now it has over 201000 miles on it and it's still doing great!
Reviewed by SpaD:
Had the oil in the diff previously and came out slightly worn looking. 70k miles. Never had any issues so far with the Limited Slip Diff locking up. Using AMSOil transfer tubes worked well also. Just had the car on ramps.
Reviewed by Dodge Ram 2500HD Diesel:
I haven't had any issue and all gears have been working good.
Reviewed by David:
I typically do most of my own maintenance, but due to time constraints, I had my mechanic change the oil in the rear differential on my 2008 GMC 2500 HD truck. The truck is used as a daily driver plus towing my 10,000 lb. travel trailer. This is the second oil change. When I picked up the truck, the mechanic said "Wow, that Amsoil is amazing - the old oil looked great - hard to believe after 100,000 miles." He volunteered the response, I did not ask.
Reviewed by Isaacsracing:
I used Severe Gear in my FJ, 3/4 ton Suburban and two Porsche track cars. It is the best gear oil out there. I use Amsoil Slip Lock with Severe Gear for perfect, noise free operation of a limited Slip in the track car. Works great.
Reviewed by GER:
I run this is my mini quads transmissions. It holds up better than anything else we have found. Always looks good and we seem to get longer life than the rest of the racers.
Reviewed by Chip:
I use this weight in my 91 Cummins W250, year round from -40 to +110.
Front Dana 60, rear Dana 70 & the NP205 transfer case.
No molasses effect in extreme cold & gear wear patterns should be optimal as always.
Thank you Anne & Alex.
Re: One of AMSOIL's best products
Thank you Chip. Just want to point out to other enthusiasts that the AMSOIL Online Product Application Guide will show them the correct viscosity for their application and whether or not Slip Lock additive is required. The guide also provides quantities required. Quite a handy tool. Replied by Tech Admin
Would buy again
One of the best oils around