Gear Oils

85W-140 Gear Oil
API GL-5 and MT-1, MACK GO-J, SAE J2360, Limited Slip

85W-140 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 85W-140 Gear Oil include:

  • Exceptional protection against spalling and other wear, especially under extreme heat, pressure and torque operation, ensures long equipment life
  • Maintains viscosity, even under extreme operating temperatures, resulting in longer fluid life and reduced
    operating costs
  • Extra resistance to thermal degradation provides superior protection against oxidation and deposit formation and significantly prolongs seal life


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 85W-140 Gear Oil
Specific Gravity @ 60°F (15.6°C) ASTM D4052 0.9002
Viscosity @ 40°C cSt ASTM D445 347.7
Viscosity @ 100°C cSt ASTM D445 26.39
Viscosity Index ASTM D2270 100
Color ASTM D1500 8
Pour Point °C (°F) ASTM D5950 -18°C (0°F)
Gravity, °API ASTM D287 25.69
Brookfield Viscosity at -12°C, cP ASTM D2983 55,000

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