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djgodden's avatar
djgodden
Explorer
Apr 28, 2016

Differential fluid thoughts/recommendations...

I'm getting ready to put a new larger differential cover onto my TV differential (2012 4x4 2500 Ram Laramie Longhorn w/6.7 Cummins). The standard fluid is 75W-90 for rear and ATF+4 for front. Should...
Tow Vehicles
Cummins12V98's avatar
Cummins12V98
Explorer III
Apr 28, 2016
I highly recommend AMZ/OIL SevereGear 75-110 for towing applications. The pic below is at 65K. I changed to AMZ/OIL at 15K. Most of the miles were towing a combined 27-29K. The ring gear teeth still have machining marks. The fluid came out a golden brown.

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