75W140 NS GL-5 Gear Oil
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Contains extreme pressure additives like our 75W140 GL-5 oil, but lacks friction modifiers to balance slipperiness
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Popular for historic and vintage transmissions, like Mid-1930s to early-1950s synchro-equipped gearboxes in cars and trucks
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Helps with noisy or rough shifting in troubled A-833 Dodge/Plymouth 4-speed transmissions from 1964 to 1969
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Option for noisy transmissions when mixed with 75W90NS or MT-90 to bring viscosity level up
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Also used in clutch-type limited slip differentials in racing for maximum lock up-some users add Limited Slip Friction Modifier in small doses to customize slippage
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Recommended for API GL-5, GL-6, MT-1, MIL-L-2105E, and SAE J2360
ABOUT RED LINE GEAR OIL FOR DIFFERENTIALS
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Fully-synthetic formulas created from polyol ester base stocks, offer excellent lubrication under extreme conditions
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High viscosity-index (VI) to provide relatively constant viscosity and film thickness with varying temperature change
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Ester base stocks and friction modifiers provide additional slipperiness to lower operating temperatures by reducing the sliding friction in hypoid gears
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Superior shear stability and reduced oxidation compared to other synthetics and conventional gear oils
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Exceed API GL-5 specifications
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Engineered to provide the highest degree of protection and improvement of differential efficiency for better mileage, longer drain intervals, and less wear
TYPICAL PROPERTIES
API Service Class: GL-5+
Viscosity Grade: SAE 75W140
Vis @ 100°C, cSt: 26.9
Vis @ 40°C, cSt: 179
Viscosity Index: 188
Pour Point, °C: -45
Pour Point, °F: -49
Flash Point, °C: 216
Flash Point, °F: 420
Brookfield Viscosity, Poise: 1200@-40°C
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