rear axle gear oil type to use?

[LaMonte Monnell]

Ok guys, The rear axle gear oil page as stated in my manual states to use 85w-140 gear oil.with a MIL-L-2105D or MIL-PRF-2105-E REQUIREMENT.

Also it states to use 29.2 pints(29 pints =
3.625 gallons when refilling......?

What is the best to use? Synthetic or not? Brand?

[Pat Long]

I used Lucas Synthetic gear oil 75W-90 and almost all 5 gallons.  I used Synthetic beeves of the long service life of the oil.


https://www.ebay.com/itm/Lucas-Oil-10072-75W-90-Pure-Synthetic-Gear-Oil-5-Gallons/183104376319?epid=1329826876&hash=item2aa1df0dff:g:4-UAAOSwDdlan02A&vxp=mtr