Gear Oils

75W-90 Gear Oil
API GL-5 and MT-1, MACK GO-J, SAE J2360, Limited Slip

75W-90 Gear Oil

MAG 1 High Performance Gear Oils are specially formulated with only the finest quality, hydrotreated, high viscosity index, paraffinic base oils and the most advanced and rigorously-tested additive system to deliver unsurpassed protection and performance.

Benefits of MAG 1 75W-90 Full Synthetic include:

  • Provides superior gear protection for a wide variety of applications including hypoid gears, manual transmissions, gear boxes, passenger car and light truck conventional differentials, transmissions and steering gears
  • Formulated with synthetic base oils, premium extreme pressure additives, rust preventatives, and anitfoam agents


For product numbers and detailed packaging information, please click on the pack size listed on the right hand side of the page.

Inspection Data Typical Physical Properties of
MAG 1 75W-90 Gear Oil
Specific Gravity @ 60°F (15.6°C) ASTM D4052 0.8665
Viscosity @ 40°C cSt ASTM D445 109.7
Viscosity @ 100°C cSt ASTM D445 16.45
Viscosity Index ASTM D2270 162
Color ASTM D1500 1
Pour Point °C (°F) ASTM D5950 -51°C (-60°F)
Gravity, °API ASTM D287 31.80
Brookfield Viscosity at -40°C, cP ASTM D2983 101,000

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