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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
45Ricochet's avatar
45Ricochet
Explorer
Apr 29, 2016
coolbreeze01 wrote:
Synthetic 75w-90 in the rear is OE. Some are using 75w-140 due to high temps.
75w-90 in the front.


That's what I ran also, I believe the manual mentions the 75-140 for towing heavy.

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