If the machine or car or truck manual says to use 75w-140, then you MUST use 75w-140. 75w-90 would be far too thin to protect the moving, meshing parts from wear and early failure.
Yes. Use a 75w90 or 75w140.Yes. Use a 75w90 or 75w140.
Rear diff is 1.75 qts of 75w90 or 75w140
The axles use either 75w90 conventional or 75w140 synthetic.The axles use either 75w90 conventional or 75w140 synthetic.
Depends on make, model, year. Most use a gear oil, could be 75w90, 80w90, 75w140......toyota corolla 1991 automatic
75w90 gear oil75w90 gear oil
75w90 gear oil75w90 gear oil
75w90.
75w90 gear oil.
75w90
75w90 or 80w90
Axles take 75w140 synthetic.
SAE 75W90 synthetic gear oil.