TRIAX ULV ATF Full Synthetic Ultra Low Viscosity Transmission Fluid

In this review the TRIAX ULV ATF is evaluated as a dedicated choice for owners of modern 8 and 10 speed automatic transmissions who need ultra-low viscosity fluid that preserves shift quality under load. The biggest reason to consider it is its combination of Frictional Optimization Technology and extended drain capability, which promises consistently smooth shifting and long service intervals while resisting shear and oxidation even when towing or operating in cold climates.

Key Features

• Frictional Optimization Technology: Delivers ultra-smooth shifting and eliminates shudder, slipping, or gear sticking for more predictable operation under load.
• Extended Drain Intervals: Supports long drain intervals up to 150,000 miles for normal driving and 70,000 miles for heavy-duty use, reducing maintenance frequency.
• Cold Weather Ready: Engineered with a pour point down to -50F to maintain fluidity and fuel economy in extreme cold conditions.
• OEM Replacement Compatibility: Formulated as a 100% synthetic ATF compatible with Mercon ULV, Dexron ULV, WSS-M2C949-A and MB 2236.17 for direct fitment in approved vehicles.
• Advanced Vehicle Coverage: Compatible with many modern GM 10-speed applications and other European and US ULV transmissions, making it suitable for a range of cars, trucks, and SUVs.

Who It's For

The TRIAX ULV ATF is best for owners of late-model vehicles equipped with ULV 8- and 10-speed automatic transmissions who want a high-performance synthetic fluid that improves shift quality and extends service intervals. It is especially relevant for drivers who tow, haul, or operate in very cold climates and need reliable low-temperature performance.

Those who should look elsewhere include owners of older transmissions that require legacy Dexron or Mercon formulations that are not ULV-compatible, or users who must follow a vehicle manufacturer service policy that specifies a different branded fluid or a non-ULV specification.

Pros & Cons

Pros

• Improves shift quality and responsiveness under varying engine rpm and load.
• Extended drain capability reduces service frequency for lower operating cost.
• Excellent cold weather performance with a very low pour point for winter reliability.

Cons

• Not suitable for older transmissions that do not accept ULV or 100% synthetic ATF formulations.

Specifications

Our Verdict

The TRIAX ULV ATF is a sensible buy for owners of compatible modern 8- and 10-speed transmissions who want smoother shifts, long drain intervals, and assured cold-weather operation. It offers good value when compared to frequent service alternatives and is particularly worthwhile for towing or winter use where low-temperature fluidity and friction control matter.

Frequently Asked Questions

Is this fluid compatible with GM 10-speed transmissions?
Yes, it is formulated for compatibility with GM 10L80/10L90 applications and other ULV 10-speed transmissions listed by manufacturers.

Can TRIAX ULV ATF be used in very cold climates?
Yes, the fluid is engineered with a pour point down to -50F to maintain performance and fuel economy in freezing temperatures.

How long can I go between drains with this ATF?
Typical extended intervals are up to 150,000 miles for standard driving and up to 70,000 miles for heavy-duty applications, per product guidance.