Gear Lubricant

Duragard® 100% SYN SHG-46 Zinc Free (ZF) Hydraulic & Mild EP Gear Oil

Product Code: DURSHG46ZF
AVAILABLE IN: 2.5 gal JUG, 5 gal PAIL, 16 gal KEG, 30 gal DRUM, 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)




Specific Gravity @60°F (15.6°C) ASTM D1298 0.86
Viscosity @ 40°C cSt ASTM D445 47.3
Viscosity @ 100°C cSt ASTM D445 7.86
Viscosity Index ASTM D2270 136
Flash Point °C (°F) ASTM D92 240ºC (464ºF)
Pour Point °C (°F) ASTM D5950 -48ºC (-55ºF)
Copper Corrosion 3 hours @ 100ºC ASTM D130 1B
Rust Chracteristics ASTM D665 Pass
Evaporation, % ASTM D972 <1%
Demulsibility, 54ºC, minutes to 3ml emulsion ASTM D1401 20
Typical test data average values only, minor variations which do not affect product performance are to be expected during normal manufacturing.

Duragard® 100% SYN SHG-46 HZ Hydraulic & Mild EP Gear Oil is formulated from premium polyalphaolefins (PAO) base oils with superior Zinc Free additive chemistry promoting anti-wear, rust and oxidation inhibition, and anti-foaming with excellent demulsibility in the presence of water. It has outstanding oxidative and thermal stability to help minimize deposit formation and promote long service life.

Duragard® 100% SYN SHG-46 HZ Hydraulic & Mild EP Gear Oil is recommended for applications where outstanding performance is required in hydraulic systems, and gear and bearing recirculating systems operating under extreme temperature conditions, and in systems where stability and performance with long fluid life and reduced operating costs is desired.


  • * Exceptional protection against wear, rust, and oxidation.
  • * Increased thermal and oxidative stability, even under extreme operating temperatures, resulting in longer fluid life and reduced operating costs.
  • * Excellent demulsibility in the presence of water and provides foam resistance.
  • * Exceeds the performance requirements of the leading OEM hydraulic pump manufacturers.

This product meets, or exceeds the requirements similar to the following manufacturers and global specifications:

Hydraulic Systems Operating Under Extreme Temperature Conditions Plain and Rolling-Element Bearings used in Electric Motors
Hydraulic Systems on Mobile Equipment, i.e. Dump Trucks, Motor Graders, Bulldozers, and Forklifts Service Station Lifts
Hydraulic Presses, Shears, Jacks and Punches in Machine Shops Electrical Service Repair Trucks
Automated Machine Tools Compressors
Chain Drives Vacuum Pumps
Gear and bearing recirculating systems where a broad temperature range,
mild EP long life 100% PAO synthetic fluid is required.

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Proposition 65
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.