Gear Oil

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TAREX GEAR-X4 85W-140
Sizes: 1L | 20L | 209L

TAREX GEAR-X4 85W-140

Gear Oil / GL-4


TAREX GEAR-X4 85W-140 GL-4
is a multigrade gear oil for manual transmissions, transaxles, and certain steering gears under high torque. It provides dependable wear and scuffing protection in synchronized and non-synchronized gearboxes, with stable viscosity and shear performance for consistent lubrication. Good resistance to aging, foaming, and corrosion, along with elastomer compatibility, supports reliable operation in demanding service.

Meets the Specifications:
API GL-4; SAE J2360; U.S. Steel 22451517 Part III

Please check your owner’s manual for the manufacturer’s recommended oil viscosity grade and API classification and approvals.

TAREX Test Method
API GL-4
SAE Grade 85W-140
Density at 15 °C, gr/cm³ ASTM D 1298 0.90
Viscosity at 40 °C, cSt ASTM D 445 330 - 340
Viscosity at 100 °C, cSt ASTM D 445 24.5 - 25.0
Viscosity Index ASTM D 2270 97
Flash Point, °C ASTM D 92 235
Pour Point, °C ASTM D 97 -18
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