About TRIAX
TRIAX Lubricants describes itself as a lubricants engineering company, founded in 2004, that handles research, formulation and production in-house for military, commercial, industrial and consumer customers. Its packaged-products distribution center and listed company address are in Coppell, Texas, and the product is manufactured in Texas near the Port of Houston. The company holds an API license (No. 3593) for qualifying engine oils and says it tests its products in ISO/IEC 17025:2017 certified labs.
The range is broad. TRIAX's own store lists more than 300 products, from engine oils for gasoline, diesel, European, racing and marine use to automatic and CVT transmission fluids, manual transmission fluids, gear oils, transfer case fluids, greases, power steering and brake fluids, antifreeze and additives. For this page we looked at the Synergy Gear MT 75W-90 GL-4, a full synthetic manual transmission fluid that TRIAX positions around smooth shifting and brass and bronze synchronizer safety.
Brand website: triaxlubricants.com
What TRIAX makes
TRIAX's range runs wider than the products we review. The lines that earned places in our roundups are marked with a star:
Manual Transmission Fluids
full synthetic GL-4 gear oils such as Synergy Gear MT, which we reviewed on RevRated (featured on RevRated)
Gear Oils & Transfer Case Fluids
gear lubricants for differentials, transfer cases and industrial gearboxes
Automatic & CVT Transmission Fluids
ATFs, CVT fluids and heavy-duty ATFs for passenger vehicles and fleets
Engine Oils
formulas for gasoline, diesel, European, racing, motorcycle, small engine and marine applications
Greases, Power Steering & Brake Fluids
chassis and wheel-bearing greases plus power steering and brake fluids
Additives, Antifreeze & Appearance Products
treatments, coolants and detailing products sold alongside the fluids
Why we recognized TRIAX
The RevRated Top Brand recognition isn't paid for and can't be applied for. We award it to the brands whose products consistently stand out in our category roundups. TRIAX earned it on the strength of the products below, evaluated the same way every product on this site is: checked against the specs, fitment data and verified buyer reviews, and judged on merit.
TRIAX products we rated highly
TRIAX Synergy Gear MT 75W-90 GL-4 Full Synthetic Manual Transmission Fluid - 1 Quart
One of our top picks for a manual gearbox that calls for a gear oil rather than a synchromesh-only fluid. It carries the same GL-4 rating and 75W-90 grade as the established full synthetics in our review, and its additive package is stated to be free of reactive sulfurs, the chemistry that attacks brass and bronze synchro rings. The published OEM cross-reference list is wide for a smaller brand, naming Jeep, BMW, VW and Audi, Ford, GM, Mercedes 235.11, Toyota and Mazda, so one case can cover a mixed household fleet.
Read our Manual Transmission Fluids guide →What earned TRIAX the recognition
- Full synthetic base in a GL-4 fluid, which holds shift feel through cold mornings and hot afternoons better than a conventional GL-4 in our review.
- Formulated for yellow-metal gearboxes, so it suits the synchronized boxes where a GL-5 oil can do damage.
- Sold in a 1 quart bottle as well as larger sizes, so a single gearbox refill does not mean buying a gallon.
- The Synergy Gear MT line is sold in both 75W-90 and 75W-80 grades, so owners whose manual specifies the thinner grade are not left out.