Synthetic transmission fluid


Product Code: DURSYNHDATFxx
AVAILABLE IN: 2.5 gal JUG/2pk, 5 gal PAIL, 16 gal KEG, 55gal DRUM, and BULK (in selected areas)

2.5 gal Jug

5 gal Pail

16 gal KEG, 30gal DRUM, 55gal DRUM, and BULK (in selected areas)




Gravity, ºAPI ASTM D287 35.42
Specific Gravity @60°F (15.6°C) ASTM D4052 0.8477
Flash Point °C (°F) ASTM D92 220ºC (392ºF)
Viscosity @ 40°C cSt ASTM D445 34.81
Viscosity @ 100°C cSt ASTM D445 7.349
Viscosity Index ASTM D2270 184
Pour Point °C (°F) ASTM D5950 -51ºC (-60ºF)
Color ASTM D1500 Red
Brookfield Viscosity at -40°C, cP ASTM D2983 8,000
Typical test data average values only, minor variations which do not affect product performance are to be expected during normal manufacturing.

Duragard® Diamond Plate® 100% SYNTHETIC HEAVY DUTY ATF is a fully synthetic based heavy duty automatic transmission fluid with technically advanced additive chemistry. This 100% synthetic fluid protects against thermal breakdown at high operating temperatures, while still providing outstanding performance at sub-zero temperatures.

Duragard® Diamond Plate® 100% SYNTHETIC HEAVY DUTY ATF is specially formulated to equal advanced performance specifications specifications and other similarly advanced heavy duty commercial applications for extended warranty and extended drain intervals.


  • * Designed to meet the requirements of conventional and hybrid modern heavy duty transmissions.
  • * Outstanding gear shifting and power transfer performance.
  • * Prevents corrosion and the formation of harmful sludge and deposits.
  • * Exceptional low temperature fluidity and shifting during low temperature operation.
  • * Excellent and improved anti-wear protection of clutches, converters and hard parts. .
  • * Compatibility with all transmission seal materials.
  • * Reduces wear on bearings, bushings and gears.
  • * Stable friction properties over a longer period.
  • * Excellent gear shift quality throughout service life.
  • * Prevents clutch shudder in modulated torque converters.
  • * Clutch plates, seals and bands last longer.
  • * Extended transmission life.
  • * Earlier safe drive away and smoother gear shifting.

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WARNING: Products may expose you to chemicals which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information go to
For specific product risks check the manufacturer’s SDS Section 15: Regulatory information.