It contains extreme pressure additives like our 75W140 GL-5 oil, but lacks friction modifiers to balance slippage. Popular for historic and vintage transmissions, such as synchromesh-equipped gearboxes from the mid-1930s to early 1950s in cars and trucks. Help with noisy or harsh shifting on problematic 1964 to 1969 A-833 Dodge/Plymouth 4-speed transmissions Option for noisy transmissions when mixed with 75W90NS or MT-90 to increase viscosity level Also used in racing clutch type limited slip differentials for maximum locking; Some users add a limited slip friction modifier in small doses to customize the slide. Non-corrosive formula, safe to use with all synchronized materials.
API GL 5+ Service Class SAE Viscosity Grade (Gear Oil) 75W140 Vis @ 100°C, CSt 26.9 Vis @ 40°C, CSt 162 Viscosity index 200 Pour point, °C -45 Pour Point, °F -49 Brookfield Viscosity, Poise 1200 @-40°C