gear oil

The aforementioned oil not in Mobil 1 site for rear diff. Just for front diff and transfer case. Site recommended a non synthetic 80w/90 oil for the rear diff but not available. Any recommendations or experiences using 75w/90 on rear differential? I can change to Amsoil, appears lots of options...

The other day, when I went to replace my rear brake pads, I found oil *everywhere* under the back of the truck. Complete mess. Seems to be the pinion seal. I dumped a quart of gear oil into the diff and it didn't fill it. I just got back from about a 3000 mile road trip in the truck. No...

Hey guys - haven’t posted in this forum in a while as I’ve had good luck - until now. 1988 Aussie HJ75 - put it in 4H to get it in the boat garage out back. Parked it and after 5 minutes or so, I noticed a lot of gear oil puked out from the t-case. Goes in and out of 4WD just fine. Haven’t...

whilst doing a drain/fill of my 87 FJ60 Trans/TC I uhhh dropped a short piece of clear plastic tubing down the full hole of the trans. I had those damn squeeze quart valvoline gear oil bottles and the fill hole was in an awkward spot. I knew I had a pump thing in the garage, but I found a 3-4”...

I'm using VMX-M but it looks like it's no longer made as it's NLA from most auto parts stores here now. I last bought some a year ago for a gearbox and transfer case oil change. Seems VMX-80W is the replacement product? I know it's not the only suitable gear oil out there so what other...