Red Line

75w140 Synthetic Gear Oil ; GL-5 Differential Gear Oil


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  • Regular price $19.55

Red Line Synthetic Gear Oil is designed to provide the highest degree of protection and greatest efficiency for your drivetrain. Red Line provides a complete line of drivetrain lubricants which are optimized for differential, transmission, or transaxle use over a wide range of temperatures. Proper selection depends upon the manufacturers' requirements and whether the application is for passenger automotive, commercial, or racing use. Red Line Gear Oils contain polyol ester basestocks to provide excellent lubrication even under extreme conditions of high-loading and high- temperatures--their natural lubricity provide excellent slipperiness which reduces the sliding friction in hypoid gears to reduce wear and temperatures. The synthetic basestocks have a natural multigrade property, so large amounts of unstable thickeners are not required to manufacture our gear oils, which means that Red Line Gear Oils will provide a stable viscosity for even extended periods of use. Red Line also manufactures gear oils which can be used in limited-slip differentials without the use of additional friction modifiers.

Our 75W140 gear oil is a GL-5 rated product recommended for street-driven road car differentials where that viscosity is specified, providing excellent performance in both conventional and limited slip units. Popular in late-model Ford truck rear differentials as well as many other common models.

API Service Class: GL 5 Plus
Brookfield Viscosity @-40(C) Poise: 1300
Pour Point (C): -45
Pour Point (F): -49
Size: Optional
Viscosity @100 (C) CSt: 27.8
Viscosity @40 (C) CSt: 192
Viscosity Index: 183