Transynd 668 vs 295: Which Transmission Fluid Is Right For You?

Difference Between Transynd 668 and 295

Transynd 668 represents a significant leap forward in transmission fluid technology, building upon the foundation laid by its predecessor, TES 295. In several critical aspects, Transynd 668 outshines its predecessor, demonstrating remarkable progress in the realm of transmission performance.

Transynd 668 exhibits a level of friction modifier durability that is more than 13 times greater than that of TES 295 fluids.

This means that Transynd 668 maintains its effectiveness over an extended period, providing consistent and reliable performance throughout the life of the fluid. 

What Is TES 295 Fluid?

TES 295 is not a specific type of fluid, but rather a specification or certification for automatic transmission fluids (ATF) used in heavy-duty vehicles, especially those with Allison Transmission systems.

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Liqui Moly 20034 Automatic Transmission Fluid

Transynd 668 Vs 295


  • High-quality automatic transmission fluid (ATF) designed for various automatic transmission systems.
  • Formulated to meet the specific requirements of automatic transmissions, ensuring smooth shifting and optimal performance.
  • Provides excellent protection against wear and tear, extending the lifespan of transmission components.
  • Enhances frictional properties to minimize clutch slippage and ensure efficient power transfer.

Castrol BP 295 Automatic Transmission Fluid

Difference Between Transynd 668 and 295


  • High-quality ATF for automatic transmissions
  • Exceptional frictional properties for smooth shifting
  • Provides superior protection against wear and heat
  • Compatible with a wide range of vehicles
  • Excellent fluid stability

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What Is The Difference Between TES295 And TES668?

Here’s a table highlighting the key differences between TES295 and TES668 transmission fluid specifications:

Oxidative StabilityImprovedEnhanced
Anti-Wear PerformanceImprovedEnhanced
Friction Modifier DurabilityImprovedEnhanced
Shift QualityImprovedImproved
Noise, Vibration, HarshnessReducedReduced

Transynd 668 Vs 295 Specs

PropertyTransynd 668Transynd 295
ViscosityVaries depending on gradeVaries depending on grade
Friction PropertiesExcellent friction controlExcellent friction control
Thermal StabilityHigh-temperature resistanceHigh-temperature resistance
Oxidation ResistanceExcellent oxidation resistanceExcellent oxidation resistance
Shear StabilityGood shear stabilityGood shear stability
CompatibilityCompatible with various materialsCompatible with various materials
Specifications & ApprovalsOEM-specific approvalsOEM-specific approvals
ManufacturerAllison TransmissionAllison Transmission

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Transynd 668 Vs 295 Performance

Performance CharacteristicAMSOIL Torque-Drive™Conventional ATF (e.g., Transynd 668 or Dexron III)
Thermal and Oxidative StabilitySlower oxidation rate, prevents sludge and varnish formation, reduces oil thickeningMay experience quicker oxidation, leading to sludge, varnish, and thicker oil
Shear StabilityNo VI improvers, no shear down regardless of operating environmentContains VI improvers that shear over time, promoting premature wear
Friction DurabilityMaintains consistent, smooth clutch engagement, prevents clutch glazingOxidation by-products may degrade friction characteristics, leading to harsh shifting
Extreme Temperature PerformanceBetter lubricating film in hot temperatures, reduced oil evaporationMay experience oil evaporation in hot temperatures, potentially leading to increased maintenance
Transynd 668 Vs 295

Reference: thebestsyntheticoil.com

What Is TES668 Fluid?

TES668 fluid is a synthetic transmission fluid designed for on-highway automatic transmissions.

It ensures smooth and reliable performance, protecting the transmission system in various vehicles.

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Castrol TranSynd 668 Automatic Transmission Fluid

Castrol TranSynd 668 Automatic Transmission Fluid


  • High-quality ATF for automatic transmissions
  • Exceptional thermal stability
  • Superior wear protection
  • Excellent low-temperature performance
  • Enhanced frictional properties
  • Extends transmission life
  • Suitable for heavy-duty vehicles
  • Maintains consistent shifts

Super Tech Automatic Transmission Fluid

Super Tech Automatic Transmission Fluid


  • High-performance formula
  • Smooth and consistent shifting
  • Excellent thermal stability
  • Protects against wear and tear
  • Reduces friction for fuel efficiency
  • Compatible with a wide range of vehicles.

Transynd 668 Vs 295 Equivalent

Transynd 668 and Transynd 295 are both ATF products designed for Allison transmissions, but they meet different Allison specifications.

Transynd 668 meets the TES-668 specification, while Transynd 295 meets the TES-295 specification.

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Transynd 668 Vs 295 Cross Reference

Transynd 668 and Transynd 295 are both transmission fluids, but they are manufactured by different companies and may have different specifications.

It’s important to use the transmission fluid recommended by your vehicle’s manufacturer to ensure proper performance and longevity of your transmission.

Who Makes TES295 Transmission Fluid?

TES-295 is a specification for automatic transmission fluids (ATF) that was developed by Transtar Industries.

Transtar Industrie is a manufacturer of commercial-duty automatic transmissions and hybrid propulsion systems.

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What Is The Alternative To TES295 Transmission Fluid?

The alternative to TES-295 transmission fluid is not specifically Dexron VI. Dexron VI is a type of automatic transmission fluid (ATF) developed by General Motors (GM). 

Is Delo Syn Atf 668 Compatible With Allison?

Yes, Delo Syn ATF 668 is compatible with Allison transmissions, ensuring smooth and reliable operation in various automotive applications.

What Is The Equivalent Of TES668?

The equivalent of TES668 is Mobil 1 LV ATF HP, a high-performance automatic transmission fluid suitable for various vehicles.

Can You Mix TES295 And TES668?

No, you should not mix TES295 and TES668 fluids as they are specific transmission fluids designed for different applications and may not be compatible.

Is TES 295 synthetic?

Yes, TES 295 is a synthetic automatic transmission fluid (ATF) designed for heavy-duty vehicles and equipment, offering excellent performance and durability.

What Is the Use Of TES?

TES fluid is essential for smooth operation in automatic transmissions, ensuring proper lubrication, cooling, and hydraulic pressure regulation for optimal gear shifting and transmission performance.

What Are The Main Applications For Transynd 668 And Transynd 295?

Transynd 668 and Transynd 295 are specialized transmission fluids. Transynd 668 is commonly used in heavy-duty vehicles, while Transynd 295 is suitable for industrial applications, providing durability and performance.

Is TES295 Compatible With Dexron Vi?

No, TES295 is not compatible with Dexron VI. It’s essential to use the recommended transmission fluid.

What Vehicles Can Use Transynd 668?

Transynd 668 transmission fluid is compatible with various vehicles, including GMC trucks and Chevy Kodiak models from 2003 and 2004, equipped with Allison transmissions.

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TES 389 vs TES 295

TES 389 and TES 295 are both transmission fluids. TES 295 is designed for heavy-duty automatic transmissions, while TES 389 is for manual transmissions in heavy-duty vehicles.

What Is The Difference Between Tes 295 And Tes 468?

TES 295 and TES 468 are Allison Transmission fluid specifications. TES 468 is the updated version with improved additives, while TES 295 is the older standard. Both are used in bus and refuse vehicle automatic transmissions.

Frequently Asked Questions About Transynd 668 Vs 295

1. Who Makes Transynd 668?

Castrol makes Transynd 668.

2. What Weight Is Transynd 668?

Transynd 668 is an automatic transmission fluid (ATF) manufactured by Castrol. It is typically sold in 5-gallon containers, and the weight of the fluid itself is approximately 38.2 pounds

3. Is Transynd 668 Compatible With TES295?

Yes, Transynd 668 is compatible with TES-295. Transynd is a brand of synthetic automatic transmission fluid (ATF) primarily designed for use in heavy-duty automatic transmissions. 

4. What is the color of TES 295 Allison?

The color of TES 295 Allison is red.


In conclusion, when comparing Transynd 668 vs Transynd 295, it ultimately boils down to your specific needs.

Both have their advantages, so choose the one that aligns best with your requirements.

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