Synthetic Hydraulic Oil

Duragard® HITEK ULTRA HVI-26 Hydraulic Fluid

AVAILABLE IN: 2.5 gal JUG, 5 gal PAIL, 16 gal KEG, 30 gal DRUM, 55gal DRUM, and BULK (in selected areas)




Specific Gravity @60ºF (15.6ºC) ASTM D4052 0.8860
Flash Point °C (°F) ASTM D92 125 °C (275 °F)
Viscosity @ 40°C cSt ASTM D445 25
Viscosity @ 100°C cSt ASTM D445 9
Viscosity Index ASTM D2270 386
Pour Point °C (°F) ASTM D5950 -72ºC (-98ºF)
Color ASTM D1500 Golden

Typical test data average values only, minor variations which do not affect product performance are to be expected during normal manufacturing.

Duragard® HI-TEK ULTRA HVI-26 HYDRAULIC FLUID is a premium quality, HVI-MV blended mineral oil based hydraulic fluid with excellent low and multi-temperature characteristics that is capable of operating over a very wide operating temperature range, from arctic conditions to desert heat. This fluid contains a robust additive package to significantly improve oxidation resistance and special anti-wear additives to protect and prolong equipment life. The formulation uses a proven anti-wear additive system that is effective in reducing wear for high-pressure vane, piston and gear pumps. Meets OEM stringent requirements for severe conditions while improving pump and valve performance.

Duragard® HI-TEK ULTRA HVI-26 HYDRAULIC FLUID has excellent water separation, rust and corrosion prevention, oxidation stability, and anti-foam properties. The true multi-viscosity, broad temperature feature allows even and continuous power transmission over a wider temperature range with increased accuracy and reduces torque. Suitable for use in hydraulic equipment operating in very cold conditions while maintaining excellent fluidity. Compatible with synthetic rubber components.


  • * Superior low and high temperature properties.
  • * Compatibility with synthetic rubber components.
  • * Excellent high pressure anti-wear properties.
  • * Outstanding oxidation stability, reduced deposits, improved valve performance.
  • * Meets OEM stringent requirements.

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For specific product risks check the manufacturer’s SDS Section 15: Regulatory information.