Gear oil is a lubricant made specifically for transmissions, transfer cases, and
differentials in ... Also, transmissions which explicitly call for GL-4 oil may have
been designed around this lower ...
The Difference between GL-4 and GL-5 gear oils. 2 of 11. A traditional GL-4 gear
oil of any given viscosity has about ½ of the level of sulfur/phosphorous.
For more on API GL-5, as well as J2360, visit DrivelineNEWS.com. It is your one
stop resource for gear oil information. GL-5 Topics. What's the difference? ...
service, but below the requirements of lubricants satisfying the API GL-4 service.
It makes the very important point that GL-5 is an oil spec rating, NOT a transaxle
spec rating. ... The choice between using GL-4 vs. ... It's simply because I've tried
many gear oils and GL-4 works while the others have caused issues .... Simply
because there is a difference in the formulation and you cannot make the general
Sep 13, 2011 ... If you go to an auto parts store and look for GL-4, you most likely won't find any.
What you will find is a lot of of GL-5 gear oils that say on the ...
GL-4 and GL-5 are standards set by the American Petroleum Institute for gear oils
. GL-4 are intended for axles with spiral bevel and hypoid gears.
Now since it is impossible to get any street driven gear oil to that ... The difference
between GL-4 and GL-5 is the extreme pressure capability.
Jan 8, 2011 ... As such, GL-5(LS) oils are intended for lubrication of limited slip differentials. ...
group gear oils denoted as API GL-4/GL-5 or GL-4+ predominate. ..... Surface
roughness was Ra = 0.032 µm and hardness between 60 and 65 ...
MT-90 75W90 GL-4 Gear Oil · MT-85 75W85 GL-4 Gear Oil · MTL 75W80 GL-4
Gear ... Home > Gear Oil for Manual Transmissions > 75W90 NS GL-5 Gear Oil ...
75W90 GL-4 gear oil (similar to SAE 5W40/10W40 engine oil viscosity); Popular
... in most GL-5 oils that cause damage; High performance gear protection and ...