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Torque-Drive Automatic Transmission Fluid

AMSOIL Torque-Drive Synthetic Automatic Transmission Fluid

Recommended for use in applications specifying Allison® TES-295 or C4, DEXRON® III, MERCON®, ZF® TE-ML 14C


Engineered to eliminate the deficiencies common to all conventional, petroleum ATF's, AMSOIL Torque-Drive Synthetic ATF provides superior performance and protection against thermal and oxidative degradation, sludge and varnish formation, viscosity shear down, cold temperature oil thickening, poor friction stability, high component wear and shortened oil life. Automatic transmission operating expenses can be directly linked to transmission fluid quality. Poor quality oils need frequent changes and they reduce the effective service life of transmissions. Delivering the ultimate in oxidation resistance, wear control and friction performance, AMSOIL Torque-Drive extends lubricant life up to six times* and provides protection beyond that possible from conventional ATF's. Vehicles stay on the road longer, unnecessary labor and maintenance costs are reduced, and the return on costly transmission investments is maximized. Immediate financial benefits are realized upon the installation of AMSOIL Torque-Drive.

* Depending on duty cycle, local conditions, oil analysis and/or OEM recommendations.

Thermal and Oxidative Stability

Hot weather and operating conditions are no excuse for poor transmission reliability. By delivering a slower than normal oxidation rate, AMSOIL Torque-Drive prevents sludge that blocks small valves, prevents varnish that restricts component movement and reduces oil thickening that slows down shift times. AMSOIL Torque-Drive lasts longer than conventional ATF's, protects better than conventional ATF's and extends transmission life beyond that possible with conventional ATF's.

Shear Stable

Conventional automatic transmission fluids use petroleum oils with viscosity index (VI) improvers added to increase the oil's operational temperature range. Over time, VI improvers shear down, promoting premature wear by leaving only a thin base oil to protect vital transmission components. AMSOIL Torque-Drive does not contain VI improvers, which means no VI shear down regardless of the operating environment. The unmatched film strength of AMSOIL Torque-Drive prevents wear, significantly increasing the transmission service life.

Friction Durability

Oxidation by-products destroy the sensitive friction characteristics of transmission fluids, resulting in the rapid degradation of shift quality. The thermal and oxidative stability inherent in AMSOIL Torque-Drive assures consistent, smooth clutch engagement with no harsh shifting throughout the life of the fluid. AMSOIL Torque-Drive maintains proper coefficients of friction, prevents clutch glazing and prevents elongated shift times.

Extreme Temperature Performance

Transmissions operate in temperature extremes. In hot temperatures, the synthetic construction of AMSOIL Torque-Drive virtually eliminates oil evaporation and delivers a better lubricating film than conventional oils for better overall protection of vital components. Oil consumption is reduced and transmissions require less maintenance.

In cold temperatures, AMSOIL Torque-Drive easily flows, as it does not contain the wax found in conventional ATF's. Cold temperature fluidity allows for the proper operation of small, delicate, electronically controlled solenoids that affect gear changes. Unlike conventional ATF's, transmissions using AMSOIL Torque-Drive have quick response times during cold operations and can be used immediately upon start-up.

Product Applications

AMSOIL Torque-Drive is recommended as a direct replacement for Allison® or Castrol® TranSynd® Synthetic ATF in heavy duty, on and off highway automatic transmissions manufactured by Allison®, General Motors®, Voith® and Ford® or wherever the standards TES-295, C-4, Dexron® III or Mercon® are specified. Examples of operations that benefit from using AMSOIL Torque-Drive include municipal or transit buses, garbage haulers, motor homes, delivery vans, emergency vehicles, school buses, dump trucks, utility vehicles, cement trucks, line haul trucks and tow trucks.

Where extended drain intervals are not specified by the original equipment manufacturer (OEM), it is recommended that AMSOIL Torque-Drive be evaluated with oil analysis at standard OEM drain intervals or more frequently to establish proper drain interval. Where extended drain intervals are recommended by the OEM, follow that recommendation. This includes the recommendations set by Allison® in document #10-TR-99 Rev. B, January 2002, for TES-295 quality fluids.

AMSOIL Torque-Drive™ Synthetic Automatic Transmission Fluid is based on the same type of chemistry as TransSynd®. This fine, infra-red scan (IR), revealing a chemical "picture" of both products, shows no measurable differences.


AMSOIL Torque-Drive Synthetic ATF
Physical Data Torque-Drive TranSynd®

Viscosity @ 100°C, cSt

7.41 7.36

Viscosity @ 40°C, cSt

37.14 37.29
Brookfield @ -40°C (cP) 8411 8400
Density @ 60°F (lb/gal) 7.038 7.047

Flash Point °C (°F) (ASTM D 92)

230 (446) 232 (450)

Pour Point °C (°F) (ASTM D 97)

-55 (-67) -55 (-67)
Four Ball Wear Test
(40 kg, 75°C, 1200 rpm, 1 hr)
0.45 0.45

Copper Corrosion (150°C, 3 hr)

1B 1B
Spectrographic Analysis Torque-Drive TranSynd®
Boron (ppm) 133 136
Calcium (ppm) 28 29
Phosphorous (ppm) 230 235

AMSOIL Torque-Drive™ Q&A

Allison transmission company manufacturers heavy-duty transmissions and recommends maintenance practices for those units. Allison establishes transmission fluid quality levels through fluid specifications such as the popular C-4. Allison established another specification for high quality oils called Technical Engineering Specification-295 (TES-295). Operators using TES-295 oils can extend drain intervals according to Allison recommendations in bulletin 1099C, and operators are eligible to purchase the Extended Transmission Coverage (ETC) warranty. ETC is an additional warranty beyond the standard Allison warranty.

What is TranSynd®?

TranSynd® is the only TES-295 licensed synthetic transmission fluid formula available. It is manufactured by Castrol® and marketed in conjunction with Allison. This formulation is also being made available through other marketers under private label as well.

Why are there not other products licensed as TES-295?

Competing lubricant companies seeking TES-295 approval for their own formulations are faced with formidable obstacles. Allison requires a test to be run on a specialized test stand, which it has not made available to other lubricant companies. Furthermore, Allison requires a field trial but has not established formalized field trial protocol. This effectively locks out competing oil companies and allows Allison and Castrol to charge exorbitant prices.

How can AMSOIL claim Torque-Drive™ as TES-295 quality without having run the tests?

Because Allison did run the tests on TranSynd® and AMSOIL successfully "reverse engineered" TranSynd®, creating a fluid based on the same type chemical technology. Both contain PAO. Both contain ester. Both contain enhanced additive systems. Neither contains VI improvers. Not even sophisticated laboratory analysis can accurately measure the differences between these two products. The only difference customers will notice is the price. Torque-Drive™ at commercial pricing is considerably lower than TranSynd®.

How will the use of Torque-Drive™ affect the warranty coverage?

The use of Torque-Drive™ will not affect the standard Allison warranty for defects in material or workmanship and may only be challenged if there is clear evidence of a lubricant related failure, in which case AMSOIL provides full warranty coverage. Torque-Drive™ does not fulfill the Allison warranty requirements for those customers who have already purchased ETC. This is a separate contract that binds the parties according to its terms.

Customers who are considering purchasing ETC should give this careful consideration. ETC can be very costly ranging from $235 per unit for one year in school busses equipped with a 1000 model transmission to as much as $4,000 per unit for three years in transit busses equipped with a B500R. Allison customers need to ask themselves where the savings are if they have to pay big dollars for additional warranty coverage which forces them to use the most expensive transmission fluid available. If Allison customers consider Torque-Drive™ as an alternative, they will find that the standard Allison warranty for defects in material and workmanship is not compromised and AMSOIL provides additional warranty coverage for lubricant related failures indefinitely.

How does Torque-Drive™ compare to AMSOIL Synthetic Transmission Fluid (ATF)?

Torque-Drive™ was created to satisfy the concerns of customers currently using TranSynd®, and it carries with it the confidence to be used for the intervals established by Allison. AMSOIL ATF is a more advanced product with universal applications such as Mercon V and ATF +4. AMSOIL does not recommend draining or switching to Torque-Drive™ unless the Allison customer intends on following the extended drain interval recommendations of Allison.

What are the key performance benefits offered by Torque-Drive™?

AMSOIL Torque-Drive™ provides superior performance and protection against thermal and oxidative degradation, sludge and varnish formation, viscosity shear down, cold temperature thickening, poor friction stability, high component wear and shortened oil life. Conventional oils require frequent changes and reduce the effective service life of transmissions. AMSOIL Torque-Drive™ extends lubricant life and provides protection superior to conventional ATF's.


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