NATIONAL GEARBOX OIL HD SAE 90-140 GL5

National GearBox OIL HD is an extreme-pressure automotive gear lubricant formulated from solvent-refined mineral base oils and containing special Sulphur phosphorous additives to produce a superior gear lubricant with extreme pressure characteristics and thermal stability for automotive applications over a wide range of temperatures.

Benefits

  • Excellent protection against wearing and scoring produced by high speed and heavy loads.
  • Suitable for a wide variety of applications and service conditions.
  • Superior protection against rusting, pitting and corrosion.
  • Excellent load carrying capacity and good antifoam properties.
  • Compatible with seals and gaskets.

Applications

Recommended for the type of service characteristics of gears, particularly hypoid, in passenger cars and other automotive equipment operated under high-speed/shock-load, high-speed/low torque, and low-speed/high-torque conditions.

Product Characteristics

PropertiesUnitsValueValueTest Method
SAE Grade90140
Specific Gravity @ 15 ˚C0.90100.9067ASTM-4052
Viscosity @40°Cmm2/s209.3394.3ASTM D-445
Viscosity @100°Cmm2/s18.0927.73ASTM D-445
Viscosity Index9896ASTM D-2270
Flash Point, COC°C248270ASTM D-92
Pour point°C-12-12ASTM D-97
ColorL 3.5L 3.5ASTM D-1500
Product Code3044230542