Oil gear and rear

[Blockbuster]

What oil do you recomandation to gear and rear. And how many liters ?
I can find my owner book (2001)

 

[Purdue_Boiler_Viper]

From 2001 Service Manual:

T-56 transmission uses 75W-85 synthetic Manual Trans Lubricant (or MS-9070 equiv.) 3.8L
Differential uses 75W-140 Synthetic Gear and Axle Lube 1.35L with .1L of Mopar limited slip additive