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Sinclair Full Synthetic 75W-90 GL-5 Gear Oil

Sinclair Synthetic Gear Oils Industrial Lubricants and Greases

Sinclair Full Synthetic 75W-90 GL-5 Gear Oil provides friction management with optimal performance and protection.

Sinclair Full Synthetic 75W-90 Gear Lubricant is specifically engineered and formulated for multi-purpose applications with extreme pressures, such as gear boxes, limited slip rear axles, manual transmissions, conventional differentials, and hypoid gears. Our Full Synthetic 75W-90 GL-5 Gear Oil is comprised exclusively from high-quality paraffinic lubricating oils and an advanced additive that incorporates anti-wear agents, anti-friction agents, and oxidation and rust inhibitors.

Benefits Include:

  • Outstanding wear protection under extreme pressure and high torque operations.
  • Immense resistance to thermal breakdown.
  • Aid in the prevention of rust, corrosion, and foaming.
  • Quieter, smoother operation.

Performance You'll Notice

Equipment designs from OEMs continue to change, and industrial operating conditions are getting more and more severe, with increased demands on power density and other stress-increasing factors. Sinclair has kept up with those changes, and Full Synthetic 75W-90 GL-5 gives you the protection, toughness, and endurance you need.

Industry/OEM Specifications

AGMA 9005-E02, 250.03, 250.04, 251.02, No. 4 Meets Requirements
AIST/US Steel 224 Meets Requirements
API GL-5 Meets Requirements
ArvinMeritor (Rockwell International) 076-E Meets Requirements
Mack GO-J, GO-H, GO-G Meets Requirements
MT-1 Meets Requirements
SAE J2360, MIL-2105E/F Meets Requirements
GM 9986115 Suitable for Use
Limited Slip Suitable for Use

Typical Properties

Brookfield Viscosity at -40°C, cP ASTM D2983 135,000
Color ASTM D1500 1
Flash Point °C ASTM D92 224
Flash Point °F ASTM D92 435
Gravity, °API ASTM D287 31.24
Pour Point °C (°F) ASTM D5950 -51°C (-60°F)
Specific Gravity @ 60°F (15.6°C) ASTM D4052 0.8695
Viscosity @ 100°C cSt ASTM D445 16.15
Viscosity @ 40°C cSt ASTM D445 109.3
Viscosity Index ASTM D2270 159

Container/Bulk Availability

55 Gallon Drum Product Number - 575-003
5 Gallon Product Number - 575-008
Available in Bulk